What is the R-value for walls and ceiling in Laredo, TX?

— Felix Laredo, TX

Answered by Cynthia Phakos on December 9, 2010

I have a soyfoam insulation estimate for the first floor walls of my 40 x 80 sq ft home built in 1976. Is $4250 worth it?

— Blair Frank Cedar Rapids, IA

Answered by Cynthia Phakos on December 6, 2010

I have a 1960s-era wood frame house with brick veneer on all four sides and no insulation in the walls. What is the best way to insulate?

— Betsy Hooper Manassas, VA

Answered by Florian Speier on December 4, 2010

I have a 1940s Cape Cod in northern Ohio that has no eaves. What is the best way to insulate the finished attic space?

— Brian Hudson, OH

Answered by Elliot Seibert on November 25, 2010

We are considering spray foam insulation. How can we supply fresh air in a tightly sealed home?

— Rahul Baijal Sugar Land, TX

Answered by Jason Kliwinski on November 19, 2010

Do you recommend bio-based soy foam insulation?

— Amy Alexandria, VA

Answered by Andy Ault, CLC on November 1, 2010

Should we insulate the attic of our 1926 bungalow with spray foam insulation?

— Amy Alexandria, VA

Answered by Anthony Addesso on October 31, 2010

We need an insulated white roof on our home. Which is the best membrane, TPO or PVC? How thick should the polyiso be?

— Kimberly Trombley Saint Petersburg, FL

Answered by Polly Osborne, AIA, LEED AP on October 16, 2010

Most people say to use open cell foam for attic roof leaks. Could I spray closed cell foam over baffles from soffit to ridge vent?

— Greg Childress Charlotte, NC

Answered by Danny Kelly on October 11, 2010

We have an unheated crawlspace under our house that we would like to insulate.

— David Davison Middleburg, FL

Answered by Florian Speier on October 1, 2010

 

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