Thread Number: 77948  /  Tag: Detergents and Additives
Roof tar
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Post# 1019694   1/1/2019 at 12:46 by ozzie908 (Lincoln UK)        

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Does anyone have a sure fire way of removing tar from white cotton?

Tried WD40 then washing it just spread the blob so removed as much as possible but

no good still black marks on T'shirts so any help would be super thank you !


Post# 1019698 , Reply# 1   1/1/2019 at 13:04 by Yogitunes (New Jersey)        

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well, obviously gasoline, or maybe mineral spirits....

probably better luck with Bug and Tar remover for cars.....

Brake Parts Cleaner may be another choice....

once removed, then your going to want to hit it with Dawn Dish Soap.....then launder in a sink of very hot water before tossing into a machine....

Post# 1019702 , Reply# 2   1/1/2019 at 13:14 by ozzie908 (Lincoln UK)        

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Thank you I will see what I can find. I have a few old twin tub washers and used

one to boil the shirts after the WD40 but surprisingly it still would not budge.

I will try your recommendation.


Post# 1019749 , Reply# 3   1/1/2019 at 17:48 by robbinsandmyers (Hamden CT)        

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How about LA's Awesome? Ive had great success with it on many things including engine degreaser lol

Post# 1019760 , Reply# 4   1/1/2019 at 19:39 by Yogitunes (New Jersey)        

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one more, but not sure if its available in your area....

Purple Cleaner..or...Purple Power

comes in spray bottles, and 1 to 5 gallons containers

mostly found in auto parts stores...PepBoys, AutoZone, Advance Auto, NAPA....

great very powerful stuff, super concentrated....and you can dilute down as needed for any cleaning purpose....

full strength will rip the oils right off your hand.....and all the lettering off your machines console...

my brother is a mechanic....I find it best to lay his clothes out in the driveway, using a pressure sprayer, and treat all of the items....let set for a while, and then a hot wash.....nothing left behind...

can also be found under the ZEP product line...prefer the Industrial version...

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Post# 1019786 , Reply# 5   1/2/2019 at 00:42 by dartman (Portland Oregon)        

Acetone might cut it as long as it doesn't melt the shirt. I try to hit my clothes with wd 40 if it's fresh. We use vulcem at work and it's like tar but never dries out and stays flexible for years but once it gets on something it's as bad or worse than tar and will not come out of clothes once it sets. It's strong enough to bog down a grinder with a double row diamond wheel once it's set. Good luck, that's why I have dedicated work jeans and shirts so at least I don't ruin something I care about.

Post# 1019788 , Reply# 6   1/2/2019 at 05:06 by ozzie908 (Lincoln UK)        
@ helpful hints above..

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Thank you folks I tried everything I could find which was turpentine, nail polish remover,Metholated spirits and followed it by a 90c wash in the dreamspace and I looked when it was finished and you can still see black marks so it looks like 5 new T shirts bought instead...

I had no reason to use dedicated items of clothing its all my own fault as I have a 60's Hotpoint twin tub of which I have restored it back to working order but the metal spin can was rusting quite badly and in my infinite wisdom I painted the drum with bitumen to stop it leaking, It was dry and I thought ok to use but I noticed after returning the suds there were black bits in the filter tray so the heat of the washing must have loosened bits that got all over the next load so it looks like I will have to swap the spin can for a newer one after all... Live and learn.


Post# 1019937 , Reply# 7   1/3/2019 at 04:51 by askolover (South of Nash Vegas, TN)        

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I actually just did my roof back in August and was using tar.  GoJo and Goop or that orange stuff work wonders, but the only thing that I was able to totally remove tar with was mineral spirits, with paper towels underneath, then using the back of a toothbrush, pressing on the material to squeeze it out, more spirits, more squeezing until all gone.  Quite tedious and it was a small spot.

Post# 1024873 , Reply# 8   2/17/2019 at 07:14 by ozzie908 (Lincoln UK)        
Sadly nothing I had worked

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So I binned the T shirts with the tar on bought 5 more from eBay and when I washed them all weeks later in the Hotpoint Twin Tub I must have not screwed the agitator tight enough as it shredded every thing so another 5 T's later I have to fix the twin tub as been told not to use it as Hubby cannot afford new shirts etc that got shredded Ooops in all the years I used a vintage machine never had that issue before so the tar became a non issue lol.

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