||10-07-2010 05:02 AM
How do I *not* mangle polyiso panels when I pull vinyl siding for insulation blow?
Anybody have any tricks for pulling some courses of vinyl siding without mangling either the vinyl or the underlying polyiso foam panels? The foam is only 1/2" and was laid on top of old clabboards.
backstory..... wall cavities are empty. prior owner put on a layer of polyiso and then the vinyl. No tape, no caulk, no house wrap to keep water from getting in between the panel edges. (are you suppposed to leave gaps to let vapor out? But what about covering the gaps to keep bulk water from getting in?) No drainage plain behind the foam to let water that does get back there run down the outside of the clapboards. Basically ignored doors and windows, so you see the polyiso between the edge of the old trim and the backside of the jchannel. I shudder to think what sort of moisture/mold I may find in there, but its time to go looking.
Thanks for sharing ideas for taking off some vinyl without mangling either the vinyl or the foam