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SIP R-60 Roof... what am I missing

Last Post 01 Aug 2008 05:14 PM by cmkavala. 3 Replies.

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ian_upton

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Posts:63

30 Jul 2008 06:23 PM
I read about folks talking about an R-60 roof. Using SIPS, even 12" for the roof, you will not approach R-60. For ultra insulated roofs, are you usinf a standard truss system with really thick spray foam? Ian.

1840's Timberframe House - Air sealed attics + R60 cellulose - 2 part foam in crawl space and band joist

cmkavala

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30 Jul 2008 08:19 PM
Posted By ian_upton on 07/30/2008 6:23 PM I read about folks talking about an R-60 roof. Using SIPS, even 12" for the roof, you will not approach R-60. For ultra insulated roofs, are you usinf a standard truss system with really thick spray foam? Ian. Our 12" EPS/steel SIPs are - R-51, urethane SIPs would make R-60 with 9"

Chris Kavala<br>[email protected]<br>1-877-321-SIPS<br />