>Background: I want to spray a 1" layer of rigid urethane foam on Grendel's >ceiling, possibly other surfaces as well. > >Problem: I couldn't find any spray foam in consumer-sized quantities. <snip out some very useful stuff about spray foam> I once got some "Spray Undercoating" (don't remember the exact name, sorry)-- some rubberized spray gunk designed to go on the bottom of your car to rustproof it. I've heard mixed reviews-- it works, it doesn't work, you can't get it off, it comes off too easily, it traps moisture, etc. But-- once I sprayed it on the car in question (wasn't a VW), boy did that car quiet down. Cheap, too-- two cans did the whole underside, total cost around $10. It took a while to harden, but never dripped, never expanded, just sat there. I wonder if this stuff would work on the inside of the car? You know, remove inside trim panels, spray the sheet metal you find there, let dry a few days, replace the panels. Would it deaden the sound like my application did to that car so many years ago? Would it release/continue to release noxious fumes that would kill you dead, or explode when you turned on the radio or whatever? Anyone ever tried this? Any words of wisdom/warning/woe/wow? Steve Maher smaher@gi.com '71 VW Transporter '80 V6anagon soon
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