Lowes is where I found the foam. I also saw a post that said a company callied allied building supply has the foam. I don't know if they have one in Sacramento.
Hello! I saw in one of your posts that you found a source for blue foam in SoCal, where was that exactly? I am in Sacramento and have not found any pink or blue foam and time is running out... I would appreciate any suggestions you might have (love the window boards, I have wanted to do those for awhile, but these days it would make look the house look too much like a foreclosure!!) I have tried Home Depot and Lowes and had no luck finding the foam.