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Sometimes, you can ask your contractor one too many questions. It’s good to be informed, but you don’t want to be underfoot. Of course, he’ll be happy to give you all the information you need about hammer grease, or ask you to order him some striped paint, and while you’re at the store, would you please pick up some ID10T nails and an extra bubble for the spirit level? When you get back, ask the Forum if you’ve been had.
Original Post: Spray diesel fuel on drywall mud to make it dry faster?
Our contractors have hung drywall through our house and have spread mud across it. To make the mud dry faster, they told me they will spray diesel fuel on the mud. They said that if they spray too much, it will make the mud too wet. But if they spray the right amount, the mud will dry faster.
Is this common practice? Is the diesel fuel toxic?
Thank you for any information.
Highlights from the Thread
I think you heard them wrong. No one in their right mind would be spraying diesel fuel on a wall.
PJmax Forum Topic Moderator
Welcome to the forums.
Joe is right... diesel would never be sprayed on a wall like that. You would never be able to get rid of that smell as well as the fact that diesel is an oil that would stain the wall.
I hope they're not planning on lighting it for heat.
marksr Forum Topic Moderator
Are you sure they weren't pulling your leg? I've never heard of anything being sprayed on wet j/c to speed up the drying process. It is commonplace to use setting compounds to speed up drying. In cold weather, kerosene heaters are commonly used to warm up the house both for the workers comfort and to bring temps up to where the materials won't be affected by the cold.
chandler Forum Topic Moderator
Joint compound dries chemically, and needs no accelerant. Diesel fuel would be likened to "attempt to commit arson" in my book. There had to be some loss in translation or conveyance there. If they do spray it with diesel, have them tear it all down and start over, as no primer or paint will ever stick properly.
Next they will send you to the store for a board stretcher.
chandler Forum Topic Moderator
We can be cruel as contractors when the owner gets under foot. You aren't are you? We send them for 2-inch wide caulk, board stretchers, as Brant mentioned, and many other useless things.
Don't forget the:
bucket of steam.
left handed paint brush/hammer, etc.
sky hooks to attach your ladder to.
Yeah, I have to agree that something went very wrong in translation or something. There is no way I can possibly imagine that someone would spray any kind of fuel on raw drywall to speed up the drying process of the mud. There's just so many things wrong with that picture, it can't be right.
The bucket of steam is possible. I went to college with a man that had served in the Coast Guard on both steam buoy tenders and steam cutters. The buoy tenders had 225 psi boilers and the cutter had either 400 or 450 psi. Anyway, the story is that the warrant officer called down and wanted a bucket of steam delivered to his cabin. The BT (boiler technician) got the seaman apprentice to bring a 5-gallon can with a screw-top cap. He added a couple of inches of water direct from the boiler, immediately screwed the cap down tight and told the SA to run it back as fast as he could. A few minutes later the phone in the fireroom rang and the WO was yelling, "How did you do that?" When he returned the SA said that when the officer unscrewed the cap steam billowed out of the can. He also said the can was creaking and groaning all the way down to the WO's cabin.
Thank you for all of your replies. I believe the contractors were just pulling my chain, though I didn't appreciate it. I went back to the house to check the smell, and could not smell any diesel fuel on the walls. Also, I read that diesel is a heavy liquid that does not evaporate quickly. So it makes no sense. Also, I found that the device they filled with diesel was indeed a heater.
“device they filled with diesel was indeed a heater.”
Now that makes sense. Kerosene.