Removing spray foam roof insulation.
How to remove spray foam roofing.
Closed cell spray foam applied to the home s sub flooring eliminates termite s food sources seals out moisture and provides the highest r value on the market making cold floors a thing of the past.
If the foam has hardened you may be able to scrape it off with a stiff bristled or wire brush.
Finally to remove the last traces of spray foam insulation apply lacquer thinner to the foam and wipe away with a rag once the foam has loosened its hold from the material.
If you recoat your roof over exposed foam you risk trapping moisture into the foam which will cause gases to form and blisters will start to form and erupt ruining the whole roofing system.
The spray foam insulation that remains should be scratched with either a hard bristle brush or a paint scraper to get as close to the wood concrete or brick as possible.
Craig immediately felt the difference of a properly insulated home and he.
As you pull the roof scarfer it will cut inch or 1 inch of spray foam from the surface of the old foam roof.
However time flies and one day you may need to remove hardened foam from your loft so as to be able.
An open and closed case of spray foam detection and correction.
If that is not enough and you need to cut it deeper simply complete another pass over the surface on the newly exposed layer.
Your go to guide access for repairs.