Question

Building a 2-story home in Austin, TX. What insulation is best?

Asked by Steve M
Austin, TX

The roof is already insulated with R-19. There is no attic in this home. The exterior walls are part stone, part constructed stucco/plaster-like material.

Answer

Jason Kliwinski

Answered by Jason Kliwinski

Lambertville, NJ

The Green Living and Building Center

November 28, 2011

I would suggest a bio-based foam.

Depending on what structure is, assuming wood, might affect your choice of closed vs open cell.

 

 

For more information:

Read "We have inadequate wall insulation. What is the best approach to insulate our walls?" a Q&A answered by Mike Holcomb.

Also, read our insulation backgrounder "Choosing the Best Insulation Delivers Energy Savings."

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