Den Collett wrote: > The only polyurethane foam I have seen is the stuff used in the thermal > insulation business. It can be purchased in sheet form of various > thicknesses or as a two-pack that is mixed and poured into whatever needs to > be insulated. The sheet is very light and ridgid and sands very very easily. > When sanded, it forms very fine dust and produces a very good product. What > concerns me is the fact that the surface of the product seems to always be > shedding this "powder".
That sounds like the same urethane foam that most of us are using to build our planes out of. Mine is "Trymer 2000", straight from the insulator's business world. It comes in 4'x8' "buns", and they cut it to size and shape from there, or more recently, they spray it into place. That's the stuff! Mark Langford, Huntsville, Alabama N56ML "at" hiwaay.net see KR2S project at http://home.hiwaay.net/~langford
