Adhesive for insulation foam board
I am redoing a couple sections of the roof on my Fifth wheel. I removed the membrane of the whole roof. Then I removed the 1/4"plywood and the 2.5" insulation foam from the sections I am replacing,...
Forum Discussion
Use Loctite PL 300. It's specifically for rigid foam insulation. Basic Liquid Nails will "eat" rigid foam board. Yes, it will stick it up there but the solvents will melt the backside if you put too much in one place. Which kinda defeats the purpose of the insulation.
https://www.homedepot.com/p/LOCTITE-PL-300-10-fl-oz-Foamboard-Adhesive-1421941/202020476
https://www.homedepot.com/p/LOCTITE-PL-300-10-fl-oz-Foamboard-Adhesive-1421941/202020476
