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The Water Cooler
General Discussion
Spray foam under roof decking.
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<blockquote data-quote="Parks 788" data-source="post: 4057990" data-attributes="member: 14646"><p>Im on a FB group called Oklahoma Barndominiums and most on the site will recommend about an I"-2" of closed cell and if you want more R value then spray on open cell. Seems the R-value per inch of thickness is far superior to fiberglass and others. They state the closed cell foam doesn't capture/retain water so I'm not sure how things would rot or rust. Whether you have a leak with fiberglass or foam you still have a lead. I'd probably rather not want wet fiberglass that soaks up moisure and then potentially start having a mold issue. Foam is quite a bit more $$ but buy once cry once.</p></blockquote><p></p>
[QUOTE="Parks 788, post: 4057990, member: 14646"] Im on a FB group called Oklahoma Barndominiums and most on the site will recommend about an I"-2" of closed cell and if you want more R value then spray on open cell. Seems the R-value per inch of thickness is far superior to fiberglass and others. They state the closed cell foam doesn't capture/retain water so I'm not sure how things would rot or rust. Whether you have a leak with fiberglass or foam you still have a lead. I'd probably rather not want wet fiberglass that soaks up moisure and then potentially start having a mold issue. Foam is quite a bit more $$ but buy once cry once. [/QUOTE]
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The Water Cooler
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Spray foam under roof decking.
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