BLAST Well-Known Member Jul 18, 2006 #1 So I've got a mold and I'm using a thin layer of latex, and I need to back it with polyfoam. When do I add the polyfoam? Do I brush it on AFTER the latex has completely dried and shrank? Or do I brush it on before it's set and shrunk? Thanks.
So I've got a mold and I'm using a thin layer of latex, and I need to back it with polyfoam. When do I add the polyfoam? Do I brush it on AFTER the latex has completely dried and shrank? Or do I brush it on before it's set and shrunk? Thanks.
