Caulk: Great Stuff insulating foam
Scott Gibson, Contributing Editor
The manufacturer also claims that polyurethane foams are less likely to absorb water than latex foams, and therefore less likely to cause wood rot where its exposed to water. Great Stuff Door & Window is tack free in eight minutes and can be painted and sanded after it has cured. One downside is how well it sticksif you get it on your hands, youll just have to let it wear off. A 12-oz. can cost about $7 in October 2004.