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Wed Jan 01, 2003 9:22 pm

Here at work I have access to an industrial spray foam booth, with the product I believe being some form of urethane. It is used to spray the interior roofs of pick-up truck tops (GemTop).

With the idea of insulating against road noise, as well as for warmth, I'm contemplating spraying the walls (beltline down) of the cargo area, as well as the cargo floor (above engine compartment) and the inner doors. It will all be covered by panels or carpeting. Some people also say that this will give the panels extra rigidity agains small dents.

Downside is that it's relatively permanent once sprayed.

This is in a ground up restoration, which will be stock appearing but not a vintage restoration...going for something I can travel, camp and live in on snowboard trips, trip to Alaska...just kinda wanna come up with the 'ultimate' daily driver.

Anyone have any thoughts or experience with this kind of thing???

Thanks Tons!

Wed Jan 01, 2003 9:45 pm

oh yeah, the other concerns right now deal with added weight and not knowing whether or not it's fire resistant.

Thanks!

Wed Jan 01, 2003 10:56 pm

The only rust on the roof of my 55 bus was where someone used spray foam behind the sun visors to seal from leaks. It seems it traps the moisture in, I don't know what type of spray foam you have but I would be very cautious.

Wed Jan 01, 2003 11:48 pm

A friend of mine used spray foam on the underside of the hood of his blazer trying to beat the heat and noise. some of the foam worked its way between the frame and the outter shell and actually dented the hood outward. It was a throw away when it was all done, hate to see that happed to a whole bus.

Thu Jan 02, 2003 1:41 pm

Here are two bus heat threads from the late bus forum, they should help you out.
http://www.thesamba.com/vw/forums/latebus/forum.php?screen=msg&mid=2282
http://www.thesamba.com/vw/forums/latebus/forum.php?screen=msg&mid=1994

Thu Jan 02, 2003 4:32 pm

This foam is fire retardant, which is why it is used in homes. The problem with it is that it not only sticks to everything but it expands and can quickly spread beyond its confines, if you're not careful, and gum things up. I used it on my Bay sliding door with good results, but I would paint the surface first with anti-rust paint. It gets into every tiny crack and area, which can be a good thing.