Posted by mannyc [108.162.219.190] on Tuesday, February 09, 2016 at 11:55:36 :
In Reply to: Re: expanding foam spray posted by Willy-N [108.162.216.23] on Tuesday, February 09, 2016 at 11:53:06 :
make sure that any foam you use does not absorb or attract water. it will cause rust. other types of foam will expand with enough force to bend metal and break windows. you want low expansion, closed cell.
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