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Building a new house
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<blockquote data-quote="LightBnDr" data-source="post: 724155" data-attributes="member: 9031"><p>They are spraying closed cell foam. Closed cell is not water permeable and is air tight at 2" of thickness. </p><p></p><p>Closed cell is the bomb. It has a higher R value per inch but it's 3 times the cost in my area so we opt for open cell foam. In residential but closed cell in our shops and metal buildings. </p><p></p><p>Open cell expands far more than a closed cell but when fully cured is water permeable. Meaning it's like a sponge and will absorb moisture and is not considered a complete air seal. </p><p></p><p>The key here is the insulation guys are spraying open cell foam in the walls and attics of homes. Then closed cell inside shops and our man caves. </p><p></p><p>So the industry is not really up to speed yet with the effects of open cell foam in our homes yet. In my opinion. </p><p></p><p>Don't get me wrong, I talk like I know everything. I really don't. I push dents for a living. </p><p></p><p>It's just when I do anything I research as much as possible while I do it. So this home build that I'm doing myself has put me eyeballs deep in a new industry. Lol</p></blockquote><p></p>
[QUOTE="LightBnDr, post: 724155, member: 9031"] They are spraying closed cell foam. Closed cell is not water permeable and is air tight at 2" of thickness. Closed cell is the bomb. It has a higher R value per inch but it's 3 times the cost in my area so we opt for open cell foam. In residential but closed cell in our shops and metal buildings. Open cell expands far more than a closed cell but when fully cured is water permeable. Meaning it's like a sponge and will absorb moisture and is not considered a complete air seal. The key here is the insulation guys are spraying open cell foam in the walls and attics of homes. Then closed cell inside shops and our man caves. So the industry is not really up to speed yet with the effects of open cell foam in our homes yet. In my opinion. Don't get me wrong, I talk like I know everything. I really don't. I push dents for a living. It's just when I do anything I research as much as possible while I do it. So this home build that I'm doing myself has put me eyeballs deep in a new industry. Lol [/QUOTE]
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