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kach22i · 07-02-2011, 12:09 AM

If you are just looking for a gap or opening filler as a temp backer which can be pulled out after glassing, how about some large sponges form the dollar store?

Cram them in there, and pull them out of there when done. It should tear off the outer layer of sponge.

I have not tried this myself, but have been thinking about it.

Expanding foam insulation, I've used it and now try to stay away from using it - long story. It can be a disaster, enough said.

07-02-2011, 12:09 AM	#7 (permalink)
kach22i Master EcoModder Join Date: Jul 2011 Location: Ann Arbor, Michigan Posts: 4,179 Thanks: 127 Thanked 2,802 Times in 1,968 Posts	If you are just looking for a gap or opening filler as a temp backer which can be pulled out after glassing, how about some large sponges form the dollar store? Cram them in there, and pull them out of there when done. It should tear off the outer layer of sponge. I have not tried this myself, but have been thinking about it. Expanding foam insulation, I've used it and now try to stay away from using it - long story. It can be a disaster, enough said. __________________ George Architect, Artist and Designer of Objects 2012 Infiniti G37X Coupe 1977 Porsche 911s Targa 1998 Chevy S-10 Pick-Up truck 1989 Scat II HP Hovercraft You cannot sell aerodynamics in a can............