Open vs. closed-cell foam in an unvented crawl space
After speaking to several spray foam contractors about enclosing the crawlspace on our 1950's home in Zone 4 (Washington, DC) there seems to be no consensus on whether it is best to use open or closed cell foam on the interior walls. The walls of the crawlspace are of block construction and the floor is dirt. Your thoughts please....
Posted Tue, 01/07/2014 - 08:15
Edited Tue, 01/07/2014 - 10:05
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