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The Water Cooler
General Discussion
Spray foam under roof decking.
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<blockquote data-quote="swampratt" data-source="post: 4058420" data-attributes="member: 15054"><p>I bought this house in 1998 and I blew in 36 bags of cellulose and I have it deep up in the upper attic.</p><p>I blew some of that in the lower attic. Yea 2 attics.</p><p>And I have dense 4x2 fiberglass on top of that blow in.</p><p>Over knee deep.</p><p>That dense stuff was pulled from walls in a refrigerated warehouse.</p><p>I got trailer loads of the stuff and my houses and buddies houses got well insulated.</p><p></p><p>My uncle owned an insulation company and I blew in a lot of cellulose.</p><p>Dad owned a HVAC company and I roofed all my houses so I am very familiar with air flow and efficiency.</p><p></p><p>Just not so much up on the spray foam.</p><p></p><p>In 1 bathroom upstairs I put a reflective sun screen on top of the insulation and that spot runs way cooler.</p><p>But as dust settles in an attic that reflective gets covered up and becomes no better than paper.</p><p></p><p></p><p>I did install LowE windows in 1998 and behind the vinyl siding is 3/4" foam board on the north side and 1/2" everywhere else.</p></blockquote><p></p>
[QUOTE="swampratt, post: 4058420, member: 15054"] I bought this house in 1998 and I blew in 36 bags of cellulose and I have it deep up in the upper attic. I blew some of that in the lower attic. Yea 2 attics. And I have dense 4x2 fiberglass on top of that blow in. Over knee deep. That dense stuff was pulled from walls in a refrigerated warehouse. I got trailer loads of the stuff and my houses and buddies houses got well insulated. My uncle owned an insulation company and I blew in a lot of cellulose. Dad owned a HVAC company and I roofed all my houses so I am very familiar with air flow and efficiency. Just not so much up on the spray foam. In 1 bathroom upstairs I put a reflective sun screen on top of the insulation and that spot runs way cooler. But as dust settles in an attic that reflective gets covered up and becomes no better than paper. I did install LowE windows in 1998 and behind the vinyl siding is 3/4" foam board on the north side and 1/2" everywhere else. [/QUOTE]
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The Water Cooler
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Spray foam under roof decking.
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