Foam caulk can be trimmed with a sharp knife after it cures, but my best efforts produced caulk lines that were lumpy and rough even after trimming. — Peel-away caulks.

The right expanding foam can help insulate your home and keep pests from getting in. These are the best expanding foams on the market in 2022.

Q I noticed cold air leaking indoors all winter. The caulk around doors and windows looks bad and should be replaced. Where else should I look for air leaks, and is there one caulk I can use for ...

You can use foam caulking cord to fill the gaps before you caulk to minimize shrinkage. Allow the caulk to cure and harden before you paint. If you try to paint minutes after caulking, ...

For large or deep gaps, force a round foam backer rod into the gaps first so the caulk bead isn't too thick. If you're not concerned about the appearance, use expandable foam caulk in large gaps.

The caulk has to cure with moisture liberating acetic acid. This is the one most used for sealing bathtubs and other areas. (Look for releases acetic acid on the back of the standard 10 ounce tube).

New, all-in-one insulating foam sealant is a better solution for air sealing large gaps, irregular surfaces and hard-to-reach spaces WILMINGTON, Del., Sept. 17, 2024 /PRNewswire/ -- DuPont ...

DuPont de Nemours Inc. DD recently introduced Great Stuff Wide Spray Foam Sealant, a new broad-coverage spray foam designed to be optimal for air-sealing seams, joints, large gaps, irregular ...

Sure-Seal foam sealant tape is an advanced, moldable gasket tape that combines the sealing properties of common sealants with the convenience of a tape. It is made from a resilient, open-cell, ...