However time flies and one day you may need to remove hardened foam from your loft so as to be able.
How to remove spray foam roofing.
If the foam has hardened you may be able to scrape it off with a stiff bristled or wire brush.
Craig immediately felt the difference of a properly insulated home and he.
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.
You will want to repeat the cutting process until you cannot see any more saturated foam.
Removing spray foam roof insulation.
Your go to guide access for repairs.
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 that is not enough and you need to cut it deeper simply complete another pass over the surface on the newly exposed layer.
An open and closed case of spray foam detection and correction.
As you pull the roof scarfer it will cut inch or 1 inch of spray foam from the surface of the old foam roof.