r/specializedtools 5d ago

Saw this tool to fill in cracks in asphalt online thought I would share it

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45k Upvotes

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u/thisismeingradenine 5d ago

That’s the fucking tar snake maker?!

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u/BoltTusk 5d ago

I heard tar snakes become alive and attack motorcyclists when they tread over them

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u/DanielTheGamma 5d ago

That what tar mongooses are for

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u/AnotherPandaDown 5d ago

No that's the beautiful part. When winter rolls around the Gorillas simply freeze to death.

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u/DanielTheGamma 5d ago

Love me a good Simpsons reference

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u/Albatross85x 5d ago

I like riding over Them sometimes. Fun.

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u/fortcpt 5d ago

Yeah anytime I'm constipated and need the shit scared out of me I throw a leg over the bike in the rain and go hit a few of these.

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u/aenus79 5d ago

Non bike rider here, what happens?

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u/WKndWarrior10 5d ago

In the summertime they get soft and your tires will slide/skid on them. Especially exciting in a parking lot at low speeds and your front tire starts sliding. (Motorcycle tires are rounded as opposed to the flat tires you see on cars, so the contact patch that actually touches the ground is much smaller. And since they're rounded, a loss of traction creates a lot more movement felt by the rider than you would feel in a car.)

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u/HeftyArgument 5d ago

I tried it once, basically your rear tyre finds the track and then follows it, so you end up at the mercy of the tar snake and hold on for dear life, or man up and accelerate off of it; never to try it again

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u/Ashendarei 5d ago

Especially right after a light rain!

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u/fuzzyfuzz 5d ago

Mmmmm that first drizzle of fall after a whole summers worth of oil and grime has built up on the snakes. :chefs kiss:

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u/ObnoxiousLittleCunt 5d ago

I lowsided just reading this.

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u/Wishbone_508 5d ago

I highsided reading this because I'm a ham fisted cunt.

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u/BGCTF 5d ago

🥇 poor man's gold fer ya

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u/SteamBoatBill1022 5d ago

I like how you capitalize Them like you understand that they’re Snake Gods but then you drive your motor vehicles over them and invoke their wrath. Blasphemy

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u/Midpack 5d ago

Them things weird me out on a hot day...you can feel your tires squirm on them!

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u/seattlethings86 5d ago

Remember biking through the Midwest and I could burst the bubbles coming up from them .. too hot out there.

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u/MagnusNewtonBernouli 5d ago

As a motorcyclist, people WAY over emphasize tar snakes. The rider, themself, causes the crash by getting tense and reacting to the tiny slide and making MORE inputs.

I ride over them at full speed in the mountains.

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u/wutang111 5d ago

Come to New England. Our roads are 90% tar snakes. It's constant cold weather + heavy traffic that breaks up the asphalt.

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u/CannibalVegan 5d ago

load bearing tar snakes

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u/meltingdiamond 5d ago

It's constant cold weather + heavy traffic that breaks up the asphalt.

Close, it's thermal cycling that is the real killer.

If it just got below freezing and stayed that way all winter it would not be that bad but the freeze/thaw cycle will grind anything with a crack to powder damn fast.

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u/fortcpt 5d ago

Some roads they're so many of them that you literally are never on just a solid piece of asphalt.

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u/saberplane 5d ago

Welcome to Michigan.

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u/Calvert4096 5d ago

I think the ones made like the one shown above are fine. There must be another, crappier way they're made, because I do see ones that stand out more from the road surface and are fairly slick. When there are a lot of those, they are at the very least annoying and distracting.

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u/FlurpZurp 5d ago

Trouser snakes too

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u/reallyreallyspicy 5d ago

They attack my onewheel, but then sometimes they’re completely flat so they’re just fucking with me

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u/barbarian818 5d ago

That's one kind, and the kind rarely used on public roads.

I worked for an asphalt repair crew for a couple of years. What we used were basically large metal funnels about a yard high and 12" diameter at the top. At the bottom were angled nipples made from galvanized pipe. There was a plug valve operated by a pull rod next to the carry handle. see this pic

If the repair company used the runnier sort of rubberized tar (which needs higher temps) they might use a hose and wand set up that terminates in a bridging nozzle as seen HERE

Fill with tar from the kettle, trot back to where the crack started or where you left off. Place nipple in crack and shuffle backwards until crack is filled or you run out.

And we had a router machine that used a bunch of what looked like chunky boi ninja stars on a big wheel to cut out the cracks. example

Then a compressed air and propane lance was used to blow out the routed crack and preheat it before we ran the rubberized tar into the cracks.

The routing and preheating were needed to make sure everything stayed adhered to the road metal and that there was enough rubberized tar to keep the crack full during seasonal expansion and contraction.

We used rubber squeegees as seen here (called strikers) only when the client wanted a very smooth finish. Occasionally that would be a municipality, but most often it was a small airfield who would have us add striking to the contract.

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u/takeapieandrun 5d ago

This guy asphalts

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u/CyberRozatek 5d ago

Did you put any sort of paper over the cracks after they were tared? I remember riding my bike as a kid and one of the roads must have been very recently repaired because there was fresh tar on all the cracks with what looked like toilet paper stuck over them. This was a country road with lots of cracks so it wasn't just an odd bit of paper or something that got stuck, it was all over.

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u/UVGlare 5d ago

It was probably a fiber asphalt crack sealant. Some have polyester fibers to improve the wearing surface. When overbanding, which is the method shown in the video, it can help the application go a bit smoother and keep it from being degraded by traffic. Barbarian318 accurately describes two methods above, overbanding and routing/filling. Overbanding can be pulled out by traffic on a hot day in some cases and could cause issues when you overlay with asphalt as the crack seal will expand with heat.

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u/bela_lugosi_s_dead 5d ago

Yeah. aka "skid mark maker" in summer on a motorcycle.

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u/BerkleyJ 5d ago edited 5d ago

I definitely did too much acid one time, went to get my mail, and had a mild anxiety attack when I noticed all the black snakes slithering about in the road. Think I have a blurry picture of them somewhere.

Edit: Found the picture https://imgur.com/GzmMHVK

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u/brando56894 5d ago edited 5d ago

As many times as I've done acid, I think the most I ever did was like 600 ug, I've never "truly" hallucinated, as in seeing stuff that wasn't there like snakes and shit. It's always just the "standard" hallucinations.

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u/b4gelbites_ 5d ago

What he saw can definitely happen on like 200ug

Not actually seeing snakes, but seeing the tar lines in the road wiggle and move around sound like the normal visuals I get, and I can totally imagine OP taking his phone out giggling to take a picture of them for later

I think the "hallucination" stories come from dummies taking these little visuals too far. As Carrie Fisher once put it, nothing that isn't there ever appears, but the things that are already there tend to misbehave

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u/DepressedPizzaGuy 5d ago

Was on Acid with a few friends while visiting them in TN. We decided to have a bonfire. Turns out there was a rattle snake nest in the wood pile. Everybody except for one person was peaking. Our buddy who had only micro’d to be the trip sitter got tasked with dispatching a bunch of baby snakes. The fucked up part was that because of the situation all of us tripping fuckers had to keep checking our brains as every single little twig looked like a baby rattler coming towards us. I feel crappy about the babies, but momma picked a poor spot.

Glad I didn’t have executive authority. I just wanted to light the whole pile on fire ¯_(ツ)_/¯

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u/lazyeyepsycho 5d ago

Salvia on the otherhand...

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u/Bandit6789 5d ago

Interesting name for butthole, I like it.

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u/Fun-Pomegranate6563 5d ago

These are all over California.

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u/loulan 5d ago

Pretty sure they are all over everywhere. I see them all the time here in France/Switzerland.

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u/Mennerheim 5d ago

It’s so imprecise, I want my cracks filled by artisans.

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u/tomatoes85 5d ago

the perfectly sized mound of hot asphalt placed every few feet is incredibly satisfying as well

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u/MotaHead 5d ago edited 5d ago

This guy must be a real pro to perfectly space his balls like that. He didn't even have to backtrack to fill in any gaps from having balls that were too small or too far apart. I think you're right that the owner of those balls must very satisfied with how they were spread into that asphalt crack.

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u/ImYlem 5d ago

The sizing and spacing of that man's balls makes me extremely satisfied and excited

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u/namtab00 5d ago

( ͡° ͜ʖ ͡°)

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u/Icy_Pop_374 5d ago

Best part of my day, right here. Thanks brah!

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u/NoLawsDrinkingClawz 5d ago

You know this man's town is satisfied as nary a single crack has not been filled by his balls.

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u/rScoobySkreep 5d ago

I’m creased lmao

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u/theimpolitegentleman 5d ago

Get on the ball already

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u/Mr_MLN 5d ago

This went from 0 to 100 real quick

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u/Frankvyne 5d ago

I want to upvote, but we've gotta keep this comment at 69

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u/orphan_grinder42069 5d ago

Its gotta be a cutback or emulsion. No way that's straight run hot asphalt binder. Maybe a hot PMA

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u/IIlIIlIIIIlllIlIlII 5d ago

What language is this

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u/orphan_grinder42069 5d ago

Hahaha all technical terms. Cutback asphalts are just vacuum tower bottoms fluxxed with a solvent like toluene. An asphalt emuslion is asphalt and water, plus an emulsifier. The emulsion breaks after application, so the water sorta crashes out leaving just asphalt behind. A PMA is a Polyner Modified Asphalt, with the polymer often being an elastomer to improve rutting resistance

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u/Wertley 5d ago

Explaining technical terms with more technical terms is not very helpful.

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u/orphan_grinder42069 5d ago

Hahahah yeah, I guess I didn't do a great job. With more than a decade in the industry it can be hard to know where to draw the line. I'm blind to my own bias until pointed out, so I appreciate the feedback. Would you get any value out of a more detailed breakdown? I'm versed in just about all things related to asphalt aside from niche products, and I'm capable of making my own hot mix starting all the way from crude oil (provided I have access to the right facilities and tools)

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u/htmlcoderexe 4d ago

Please tell us more! For me specifically, I did not understand the first part about the cutbacks and am not sure why you need to emulsify asphalt with water (also kinda curious what on earth would work as an emulsifier in that case)

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u/orphan_grinder42069 4d ago

So a good way to think about Cutbacks is theyre liquid asphalt binder (aka the glue that holds all the rocks and dust of the road together) diluted with some kind of chemical that will evaporate at a desired rate, leaving you with just the glue. You can pick your solvent to control the evaporation rate. This of course is shit for the environment so it's not done frequently. Cutbacks and emuslions both address one of the major problems with traditional Hot Mix Asphalt, which is the "hot" part. Hot mix is energy intensive and can usually only be laid in warm weather. If you can apply it effectively at lower temps by using a chemical or water to drop the viscosity, you save money on energy costs. You can also apply it in cooler temps than traditional Hot Mix. Emulsions come in many forms, depending on the formulation. You can use anionic, cationic or nonionic emulsions to largely the same effect. The chemistry of the binder itself is key here too, as some binders are more or less acidic. I always try to emphasize to people that it is a very complex material, and there are many ways to do it right (and WAY more ways to do it wrong). The trick with emulsifying asphalt is keeping the emulsion stable long enough to apply it.

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u/CatfishDiddy 5d ago

This is cold pour crack fill. It's a pain in the ass to work with and doesn't work nearly as well as hot crack fill. It's basically just a thick sealcoat

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u/orphan_grinder42069 5d ago

Tell me more about your hot crack fill ☺

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u/CatfishDiddy 5d ago

I make it nice and steamy before I drizzle it in your (asphalt) gash

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u/Genetics 5d ago

Exactly. We extrude ours from a heated kettle through a heated wand. Much more efficient but I suppose the equipment costs more.

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u/misterfluffykitty 5d ago

That’s exactly how I thought it was done and this video made me question everything, it also feels like this might not get all the way into smaller cracks and end up spreading more on the surface but it probably works fine if he’s doing it ¯\_(ツ)_/¯

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u/orphan_grinder42069 5d ago

My favorite thing about asphalt is how versatile it is. You can use it effectively many different ways! We're still learning a lot about it, in terms of chemistry and how that translates to performance!

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u/InnocentByestander 5d ago

Came looking for this lol

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u/bishopchip 5d ago

hate running over those "tar snakes" on a motorcycle on a warm day...slippery as hell!

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u/gian_69 5d ago

bitumen starts getting somewhat liquid-y when it‘s hot

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u/Tim_Teboner 5d ago

It’s all fun and games until your kickstand sinks into the pavement because it’s so hot that the binding agents cease to be a solid

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u/wpgsae 5d ago

If you live somewhere where you know this can happen, make sure you bring a kickstand coaster with you.

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u/Comment52 5d ago

If you live somewhere where this can happen and you have a motorcycle, just drive like a thousand km north honestly wtf get out of there

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u/NJ0808FX 5d ago

If in USA and If you’re in Deep South Florida and drive 1000 km north you’re in Augusta GA and it’s still hot as balls 😂

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u/Comment52 5d ago

fuck it, drive farther then. keep going until you see people wearing jackets

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u/Tom_Foolery- 5d ago

To be fair, Floridians wear winter coats outside when it’s 60 degrees. The presence of jackets really isn’t a good indicator.

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u/Comment52 5d ago

what the fuck?

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u/Nachtfaltermann 5d ago

Temperature tolerance is relative.

In Alaska after a cold -40°F winter, people break out the tshirts at 35°F.

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u/HellfireDeath 5d ago

Texan here, people will wear coats and sweaters when it's in the low 60s upper 50s all the damn time

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u/IAMGINGERLORD 5d ago

Texan here, it's currently 93f with a feels like of 105f. Anytime it gets below 65-70 I grab a long sleeve or a sweater. The bad news is on average we have summer like 8-9 months out of the year

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u/just_bob 5d ago

Tell me about it. I live in Canada, and awent to Miami as a truck driver. For us Canucks 16c is t-shirt weather, but I saw a guy riding a bike dressed up like he was going to climb Mount Everest.

My only thought was, "you'd never survive in Canada buddy."

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u/outzider 5d ago

My kickstand goes through pavement in the summer in Minnesota, that's a lot of north to go to. :(

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u/Comment52 5d ago

I'm starting to wonder whether your state gets really hot or if your pavement is made of silly putty.

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u/GooeyCR 5d ago

It’s been about a hundred degrees here for at least a week now.

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u/Bandin03 5d ago

Now I'm wondering if different states have different asphalt depending on their weather. Because here, it's pretty common for the entire month of July to be over 100 degrees every day and it seems like we'd have kickstand imprints everywhere.

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u/doom_bagel 5d ago

Being that landlocked plays havoc on the climate. The ocean typically acts as a heat sink to keep coastal climates under control. Out in the midwest you are thousands of miles from the ocean so you get warmer summers and colder winters. That's why Minneapolis and Venice have such wildley different climates despite being at the same latitude

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u/Shmokedebud 5d ago

It's 88 degrees in michigan. You might have to go to Canada.

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u/Altsan 5d ago

It was over 30C here the last week 500km north of the can/USA border.( 86f for ya southers)

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u/NouberNou 5d ago

Depending on the part of Michigan that could mean going south!

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u/StonccPad-3B 5d ago

Anywhere south of Detroit/Windsor unless you want to take a ferry

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u/qOcO-p 5d ago

I'm from Georgia and have never seen this happen here but I was in South Dakota once and there were signs along the interstate saying that the asphalt was coming apart due to the heat. Not much further you can go without a passport.

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u/lawble 5d ago

That’s because they use cold weather asphalt and even an unseasonably hot week throws it all to hell.

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u/qOcO-p 5d ago

Interesting, I didn't realize there was a specific asphalt for cold weather, makes sense though.

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u/Schventle 5d ago

Turns out there’s also different concrete and asphalt mixes for every type of factor. You want cheap? Great, but it won’t set in winter! You want it to set underwater? Can do! You want it to be good in every case and last forever? Fuck you, pay lots of money and maybe be Roman.

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u/doublea08 5d ago

Currently 97 in southern Minnesota. Keep going north.

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u/phxxx 5d ago

Happens in Canada also and its already not an ideal motorcycling country.

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u/TonightsWhiteKnight 5d ago

Minnesota. Most of the summer.

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u/stunt_penguin 5d ago

Nigel Mansell has entered the chat.

Fuckin Monaco, man.

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u/ViggoMiles 5d ago

But... when your standing on the road it's a fun spongey boot print maker

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u/Rhinoturds 5d ago

As a kid we had our driveway fixed with this stuff. On a nice hot day I'd lay out on the asphalt and squish it for hours.

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u/nels5104 5d ago

Good god… hanging out on asphalt on a hot day? Did you like to be tortured??

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u/ColdFix 5d ago

They're pretty slippery when they are wet too. I used to hate riding over them in the rain when I was on my motorbike.

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u/DantesDame 5d ago

I still do hate riding over them - in both wet and high heat.

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u/leviathonlx 5d ago

City my parents live in must have had extra tar lying around or got a good deal since they put a tremendous amount of tar on one of the main streets to cover any tiny crack they could find. It pissed people with morocycles off so much.

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u/didgeridude2517 5d ago

Also useful for hiding dog shit.

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u/GrimyPeasant 5d ago

Got dog shit? Just chuck it in the paste!

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u/didgeridude2517 5d ago

Or smear it into the nearest crack like you know what you’re doing

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u/1o1Smileyface 5d ago

I thought you're supposed to put it in a paper bag and light it on fire.

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u/SmithRoadBookClub69 5d ago

Don’t tell me my business, devil woman.

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u/1o1Smileyface 5d ago

He called the shit poop!

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u/originalmimlet 5d ago

Don’t put it out with your boot, Ted!

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u/Blueberry_Mancakes 5d ago

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u/didgeridude2517 5d ago

It’s a useful and versatile sentence, I say

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u/Blueberry_Mancakes 5d ago

Let's play a game: This Old House or Porn?

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u/ChuckinTheCarma 5d ago

We have different definitions of the word hiding.

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u/_z0dd_ 5d ago

In russia, we are fixing roads like that

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u/archiekane 5d ago

Also useful for hiding smearing dog shit.

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u/rhy0kin 5d ago

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u/CannedMango 5d ago

OP is a serial killer confirmed.

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u/lawesome94 5d ago

It was satisfying until it wasn’t.

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u/ambassadorofkwan 5d ago

i need a 28hr 4k version of this in my veins.

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u/Everyone_is_taken 5d ago

Yes, it didn’t even show the toilet paper that comes after.

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u/starrpamph 5d ago

How do they know how far away to space the next batch

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u/Cake_And_Pi 5d ago

Practice.

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u/kevincox_ca 5d ago

Also by tilting the sitck you can control how fast you are putting it down, so you can speed up a bit as you are getting close to the next goop pile.

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u/ItsProbablyDementia 5d ago

This comment sounds like you've done it before. Then you hit us with 'goop pile' lol

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u/arewehavinfunyet 5d ago

That's the scientific term. The layman term is street butter

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u/DookieShoez 5d ago

And the slang term is "road smegma".

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u/vaughnny 5d ago

Cemegma

I know it's asphalt but the portmanteau works better with cement

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u/recumbent_mike 5d ago

Asmegma works pretty well too.

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u/Zerout23 5d ago

Straya term is Vegemoit

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u/B_lovedobservations 5d ago

Black scheizer

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u/marvinrabbit 5d ago

I'd guess that he knows his crack batter.

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u/UnfitRadish 5d ago

Even then I wouldn't say it controls how fast you're putting it down, It really controls how much you're putting down. You really shouldn't be changing that anyway if you want it consistent.

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u/IVEMIND 5d ago

Shits easier with the v squeegee pointed forwards instead.

This is called “cold crack filling.” It uses a rubberized or latex infused asphalt or coal tar substrate usually with a drying agent, sand and it’s actually water based.

Don’t pay for this shit; hot tar crack filling is where it’s at; that’s what the dot people use on highways - it allows for the driveway to flex and retains a barrier so ice can’t enlarge the cracks in the winter.

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u/fapperontheroof 5d ago

Idk if this is what you’re talking about, but I worked for a summer for my county highway department. The main daily role was cracksealing.

Team of 2 drivers, 1 crack grinder, 1 dust/rock blower, 1 tar layer (huge vat of hot tar with a wand with a nozzle on it), 1 tar spreader (what’s going on in this gif basically), and then 2 flagsmen. We’d rotate jobs every 30 minutes.

Just now realize dot = department of transportation lol. Yeah. Makes the roadways last a lot longer. When using poor college students at minimum wage to maintain them, it’s a pretty solid strategy. The full time folks there were expensive union dudes (who usually were actually very anti-union, but we’re very happy with their union role).

I may or may not have drawn a tar penis on a road near our high school rival town. Kinda miss that small town life stuff, but also don’t.

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u/IVEMIND 5d ago

Upvoted for tar penis

Lmao

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u/RightesideUP 5d ago

crack grinder dust/rock blower tar layer

Oh god damn that sounds like a good time right there.

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u/norudin 5d ago

Get gud

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u/Most_Point_3684 5d ago

If you fill cracks all day you'll start thinking in volume, also you can just be a little generous and have a little leftover at the end.

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u/pasturized 5d ago

That’s what I was thinking! I was wondering if the camera operator or someone else was operating the goop plopper and just plopping the goop once they saw refill time was coming up.

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u/ViggoMiles 5d ago

Those check points were great.

There's practice and then there's the tool makers instruction.

Like 1 shovel full = 10 feet of coverage 5 inches wide.

I also assume that they might have to double back if the infill wasnt enough at spots.

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u/timthetollman 5d ago

Experience

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u/bens_crazy 5d ago

I thought this initially but I think they are dropping new tar as they go out of shot.

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u/9some 5d ago

I’m dropping tar as we speak.

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u/Velypso 5d ago

Sometimes when I wipe, I'll wipe, and I'll wipe, and I'll wipe, and I'll wipe... and I'll wipe. A hundred times. Still poop. It's like I'm wiping a marker or something.

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u/Confident-Victory-21 5d ago

Like there's a thing of brown lipstick just barely sticking out of your asshole.

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u/just_bob 5d ago

I actually know the answer to this. It means you need more fiber in your diet

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u/Confident-Victory-21 5d ago

More fiber and probably less alcohol.

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u/AWitchsTit 5d ago

Suddenly Andy Dwyer

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u/tb03102 5d ago

I like a good comeback story.

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u/b1ackcat 5d ago

Like Kim Kardashian

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u/LurkerPatrol 5d ago

I put your symptoms into this thing and it said you may have network connectivity issues

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u/turtlewhisperer23 5d ago

Wouldn't the cracks be worse though?

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u/dootdootplot 5d ago

Use wet wipes and really dig into your butthole, don’t just swipe past it. Do a dry pass first, then do another pass with the wet wipes. Throw the wet wipes away, don’t flush them, yes it’s gross but deal with it, get a lidded trash can and use a trash bag inside, it’s fine.

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u/PinstripeMonkey 5d ago

At that point just get one of those attachable bidets. Wiping in general has been shown to be ineffective in eliminating the poo, it just smears it around, which is why plenty of cultures still wet a hand or use a bidet. Also generates much less waste.

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u/Amphibionomus 5d ago

Or just use the poop knife. It has multiple uses!

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u/2end 5d ago

I did this as a college job and the tar I used was a lot more fluid so our tool was closed so it wouldn’t spill out and had a bucket mounted to the top that dropped tar. Also the correct way is to route out the crack making a larger area for the tar to settle in

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u/[deleted] 5d ago edited 5d ago

[deleted]

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u/archlea 5d ago

Ah, Germany, doing engineering well again.

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u/AtLeast37Goats 5d ago

This is what I was wondering. The stuff in this video, although satisfying, doesn’t look like it settles in to fill the crack at all. Eventually(sooner as opposed to later) it’s going to sink in and have to be re-repaired right?

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u/MokausiLietuviu 5d ago

What's the purpose of this? If there's a crack, does that not mean that there's either not enough support underneath the road or that it grew and shrank (such as under heat and cooling)?

If this is so, what on earth would filling this crack like this do? Surely, in 12 months there'd be another crack here for exactly the same reason as the first.

Am I missing something here?

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u/2end 5d ago

It’s to stop water from penetrating the base and further deterioration.

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u/1WontDoIt 5d ago

The crack isn't getting filled. This shit is useless. All the roads done like this are getting worse because there is still a cavity under that skim layer. That thin ass layer will peel up and the problem is back to where it was, water is still getting under the pavement, freezing and destroying the road from below. Those cracks need to have LIQUID tar flowed into, this shit isn't even a bandaid, it's just a waste of resources.

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u/Danny_Tamberelli 5d ago

Please run for local office in Pennsylvania. I will donate to your campaign. Someone please fix our roads.

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u/Sha_of_Depression 5d ago

I’ve seen cars consumed by casual potholes in that area.

I’m convinced it’s actually hell

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u/cybercuzco 5d ago

Republicans: “not if that’s something democrats want. “

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u/seanlax5 5d ago

Roads in York county suck ballsacks too so they are eating the same shit as the pennsylibs.

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u/Truesoldier00 5d ago

Nah, Sorry, this is just wrong. The goal is to prevent water from penetrating into the sub base (granular) that way is doesn't soften, fines don't get washed out, and if you live in an area with sub 0 temperatures water doesn't get in, freeze, and heave the road. This material prevents water penetration. It's servicing it's purpose. Does it make the road good as new? no. Does it slow degradation of the road and make it last a few more years before having to be replaced? Absolutely. Which in turn provides better life-cycle costing.

Source: I'm a construction inspector who paves roads.

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u/Poorlygradedgravel 5d ago

You are correct. The point is to prevent water infiltation and slow the deterioration of the paving until it can be milled and overlayed, have a full depth patch, or even sub base replacement done depending on the extent of the failure.

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u/HerDanishDaddyDom 5d ago edited 5d ago

This is correct. Also, this method is archaic in terms of cracksealing. New technology uses a pressurized valve to push the product into the crack and create a water retardant seal.

This is also called: cracking, alligatoring or asphalt cancer. If not treated the water that penetrates through the crack deteriorates the base and causes further cracking. If cracks are over an 1/4” they need to be blown out before crack sealing.

Lastly, in order to rejuvenate the asphalt a liquid coating that’s generally called “sealcoating” is applied. It has polymers in it which help prolong the life of the asphalt.

Source: have sold this type of maintenance for one of the largest asphalt and concrete maintenance contractors in the US.

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u/Truesoldier00 5d ago

Yeah but the guy said he drives on roads 12 hours a day so he knows better than you /s.

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u/SpaceMushroom 5d ago

Right? They ought to call this tool the dung beetle because all it does is push useless shit around.

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u/1WontDoIt 5d ago

Oh man, that's funny 😂😂

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u/crosstrackerror 5d ago edited 5d ago

That was my thought as well. We’ve hired people to do this same treatment on our parking lot at work. But they had a different thingie that poured hot liquid (tar?) into the cracks. It’s been there for a couple years now with no issues.

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u/nullVcore 5d ago

The smell is both putrid and amazing.

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u/jstiegle 5d ago

I've noticed there is a really odd overlap between bad and good smells where they are "Bad but good." Makes me wonder why that is a thing.

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u/1WontDoIt 5d ago

That would seem to be the proper way to do it, you pour a hot liquid that's sticky and takes the space of where water would normally get into. It's like going to the dentist for a cavity and him just putting a crown over the top of the cavity. You didn't fix anything, you just put a temporary Band-Aid over the top of a problem.

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u/Greeneee- 5d ago

Source? The patches I've seen seemed to help.

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u/Poorlygradedgravel 5d ago

Liquid bitumen does the same thing. It temporarily seals the crack and keeps water out. That is all this or liquid bitumen is designed to do. It is not a repair, it is just a very cheap way to slow the deterioration until there is funding to do actual repairs.

This will flow into the crack as long as the ambient temps aren't too cold. Even actual superpave 'flows' to some degree. Especially in hot weather or under static loads.

If the subgrade is already bad, the cracks will eventually expand and water will still get in until it is resealed again. Water can also pipe up by capillary action through the subgrade. Neither this or liquid bitumen mend the cracks in anyway. At this point the roadway will keep failing no matter what you do.

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u/poliuy 5d ago

It supposed to be a temporary short fix. Unfortunately cities don’t invest properly

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u/michamp 5d ago

The people who fix our roads don’t care. They’ll just plop those on and now the road is ribbed for your pleasure.

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u/TwistedSoul21967 5d ago

But... This isn't fixing the underlying problem right? This is just a band aid isn't it? Maybe I'm wrong but this will just crack again in a few weeks or months, isn't the problem caused by the layers below being washed/sinking away?

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u/indianajames 5d ago

Eh... Its sort of the best thing you can do for asphalt that cracks like that. Even asphalt with good base material underneath and not subject to huge temperature swings will develop cracks. So it is sort of a bandaid in the sense that they could physically cut out the crack and pour new asphalt in there, but that would be tremendously more expensive and labor intensive than smearing some good ol tar in there. And also the new asphalt patches would still stand out in contrast to the existing, so it wouldn't really be an aesthetic improvement either, at least until the whole asphalt surface gets a new topcoat. In that case, it would look pretty good afterwards.

Asphalt moves around a little bit depending on temperature, loading, general age, land movement and probably some other factors I'm not aware of (I'm not an asphalt nerd, although I might be trying to come off as one :) ). As the stress cracks develop, it is preferable to fill them with relatively soft pitch that will slowly fill in the crack and prevent the ingress of dirt and debris, giving the asphalt a little room to wiggle. It works best on long 'transverse' cracks, but is essentially useless on asphalt that has cracks that are dendritic, having the appearance of crocodile skin. Once asphalt reaches that point it should just be replaced.

To respond quickly to the two other things you mentioned. Yes, the asphalt will likely crack again in new places, but hopefully the original cracks have provided the slab some wiggle room to remain mostly crack free. And the soil below can certainly be washed away - look up an example of a sinkhole forming. But luckily this is a pretty rare occurrence that is dependent on location, soil type, groundwater, and rainfall. in general a paved surface will protect the soil underneath it, at the cost of turning rainfall into storm runoff.

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u/97e1 5d ago

Excellent explanation. This also prevents water getting into the cracks and the lower layers of construction. If this happens and it freezes it further weakens the pavement and leads to deeper and wider cracks and potholes.

Source: 20 years working in civil engineering

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u/indianajames 5d ago

Thank you! I got a civil degree 5 years ago stupidly took a non-engineering job. As somebody now trying to get a bona fide civil gig, thank you for the reply, it boosts the confidence a little. Have a nice day.

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u/97e1 5d ago

You too mate. Good luck getting the job, I went construction side rather than design, what are you planning?

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u/indianajames 5d ago

Water treatment and/or distribution is my hope.

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u/97e1 5d ago

Good luck with it, it's a great industry.

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u/Sirbrownface 5d ago

Yo at first I thought it was a specialized tool for picking up dog poop. "Well that's not a good tool if it's smearing all over"

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u/jwm3 5d ago

And your dog laying jet back steamers probably isn't doing too good either.

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u/atomlowe 5d ago

The birther of tar snakes. Every motorcyclist's annoyance

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u/Jon_and_Cokes 5d ago

These guys are cutting corners using that thick sealcoat on those cracks instead of the hot tar crack fill they should be using, plus you're supposed to water that stuff down so it can penetrate the surface and spread more evenly. Hot tar in the cracks first, then 2 coats of asphalt sealer (sealcoat) over the whole lot.

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u/Kaze_Senshi 5d ago

Turkish ice cream dude looks strange

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u/-1__1- 5d ago

/r/killthecameraman

and, i want one!

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u/long-and-soft 5d ago

Pls bring that to Seattle where our roads resemble a 3rd world country that hosted a recent military conflict.

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u/Ularsing 5d ago

We're just letting nature heal until we're back to vintage brick!