Quote Originally Posted by deranged chipmunk View Post
You can leave it plain. The spray foams are made of polyurethane and are water proof once they cure.

Oh, and welcome to the forum!


Education is the most powerful weapon we can use to change the world ~ Nelson Mandela

Thank You very much for the quick replay and welcome. I have been reading all day and have a lot of things I want to try now ... I think I have become addicted lol.