Toh general contractor tom silva sprays foam around the frames of replacement foundation windows to anchor them in the masonry walls.
Great stuff for roof leaks.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
To keep em out of his attic iowa homeowner mark kane stuffed gaps under his roof eaves with chicken wire and foamed the filler for incisor proof barriers.
Dupont now offers a great stuff version called pond and stone spray that is intended for use in direct contact with water.
Start low soaking the area just above where the leak appears in the house.
Once you ve found the leak you can make a temporary leak patch from some plywood or shingle and some roofing tar.
Leaking roof vent pipe roof vent pipes are common areas for roof leaks.
Use a putty knife to spread the tar into the leaking hole on the inside of your roof.
They also now offer a special black insulating foam sealant that is intended for both indoor and outdoor use.
Roof vent pipes from plumbing or exhaust vents penetrate the roof and are usually sealed using a collar style flashing made out of a flexible material like epdm rubber or flexible pvc.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Place the shingle or plywood onto the tar and spread more of the tar around the edges of your patch.
Map the roof leak.