Hope you can make out the details in the picture. Best I can determine from the street, the homeowner has applied a spray-on urethane coating over asphalt shingles. Looks a bit lumpy. Glad it’s not in my neighborhood.
Hope you can make out the details in the picture. Best I can determine from the street, the homeowner has applied a spray-on urethane coating over asphalt shingles. Looks a bit lumpy. Glad it’s not in my neighborhood.
Source control, ventilation, and filtration are the keys to healthy indoor air quality. Dehumidification is important too.
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Replies
Yes.
Can't tell for sure from the picture. Your description was more informative.
In the seventies (the old energy crunch thing) the idea of a srayed urethene foam roof made some headway. Spray on foam and then caot it with a sealent. I had problems not only with aesthetics, but with flashings allowing penetration like some of today's EIFS situations.
I didn't know they were making a comeback. Maybe some bad ideas die hard.
Well, actually the idea wasn't all that bad. It was the application.
The "Tarp-port" tells more about the aesthetic values of theowner than anything else!
Art, you're too hasty to judge. I figure he's filled the garage with treasure, the tarpport is a necessary accessory now. Joe H
Unfortunately, yes. I think the idea of a spray urethane roof still survives as a supposedly quick and cheap way of fixing a leaky roof. As we all know, you get what you pay for. I had a customer who lives in 1820's townhouse in Philadelphia who had one. They had an old 3 or 4 pitch tin roof, covered in about 4 layers of hot mop, and then covered in foam. It still leaked. They paid about 2500 for the foam, which cut down on the leaks but didn't stop them. Finally I had my roofer go in and it cost them 13k to rip off everything, fix all the damaged sheathing, and do a torch down roof. Matter of fact, I've got a couple pictures of the lovely condition of the roof.
A couple pictures of that foam roof. What used to be the edge of the roof and a pole gutter is completely rotted away. Fortunately the ends of the rafters were still resting on the last couple of inches of the brick wall.
Edited 7/6/2002 10:15:34 AM ET by Nick Pitz
I bet every man who worked on that one still remembers it!Excellence is its own reward!
Ok, I give up. What's a pole gutter?
Yeah...one of the best parts was a 2' x 4' hole that used to be for a chimney...no sheathing... just several layers of tar paper and asphalt.
"No problem, Pop, just cover it up!"
Seeing it brought back bad memories for me!
When I was a young buck, traveling around the country, I got a job on a demo crew in Texas. This was in the days before OSHA and right after they invented the conscience so there were contractors who didn't have one yet. He put three of us up on a one twelve roof that had been cap sheeted so many times that the tar and paper were about three inches thick. Told us he needed it stripped to the deck by that night. I don't know if you are aware how hot it can get in northern Texas on a roof. This is where I learned myself.
We took axes and shovels and cut it into squares about three by three, peeled them off and threw them into the hopper truck below. I was already as dark as the Mexicans I was working with - we kidded around, comparing tans on our skins since we were nearly stripped down.
I was curious about what those little white crystals were that we kept seeing floating around.
That night, I was running a fever of 105 for a few hours. Sat in a cold tub of water with ice cubes and drank all the water that i could.
It was a year later that I learned what Pitch was and that pitch is a different roofing product than asphalt. I learned that it can give you a fever and enuf, over time can make you go blind. I learned that old pitch can turn loose of lots of white crystals into the air and that it's not good to breathe them.
BTW, we got the whole job done that day. I quit the next day when I got paid.Excellence is its own reward!