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Is it worthwhile to put Low-E reflective polyfoam insulation under new shingles in addition to housewrap?

by LiveModern Webmaster last modified Dec 03, 2014 01:00 AM
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by last modified Dec 02, 2014

I live in New England and have a house build in 1975 that's sheathed with T-111 plywood. Am planning to shingle it, and put housewrap under shingles to improve envelope. Question - is it worthwhile to put Low-E reflective polyfoam insulation under the shingles in addition to housewrap? Builder says it'll be equivalent to R4.2. I'm keen on improving the house's insulation by any means possible. Is this a good application of this product? Thanks!




 

 

I live in New England and have a house build in 1975 that's sheathed with T-111 plywood. Am planning to shingle it, and put housewrap under shingles to improve envelope. Question - is it worthwhile to put Low-E reflective polyfoam insulation under the shingles in addition to housewrap? Builder says it'll be equivalent to R4.2. I'm keen on improving the house's insulation by any means possible. Is this a good application of this product? Thanks!

If your attic is vented, outdoor air will pass from the eave vent to the ridge vent and adding insulation on the top side of the roof sheathing would provide...


 

 

 
 
 

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