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I've installed a couple of transparent Palruf PVC sheets for a treehouse roof. I've gotten some small (several inch) holes in it that I'd like to patch up. I have some small pieces of Palruf left over that I was contemplating using to patch up the existing roof.

Any thoughts on adhesives or techniques for this, or better approaches? This is a treehouse, but I'd like to keep the rain from pouring in.

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1 Answer 1

I've never dealt with the stuff, but I'd say if it's near the ridge line, remove whatever you have as a ridge cap, place the patch on top of the hole large enough to tuck under the ridge cap, and then replace the ridge cap.

If it's lower down, I think I'd patch it from the inside, and use silicone or some other sealant from above.

As for adhesives, my normal stand-by for this sort of thing (waterproof, gluing sheets together) is DAP contact cement, but the two pieces might not mate together well enough for that. You could probably use a mastic, such as the roof cement they sell in caulk-gun tubes for dealing with flashing, although, it tends to be pretty ugly, so you might want to just use it to afix it, and then use silicone around the edges. (I don't know if silicone would hold well enough for this on its own)

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+1 Clear Silicone should do the trick. –  staticx Oct 5 '10 at 18:51

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