Green spray foam Questions

Is there an expandable foam insulation that would insulate exterior walls consisting of 2 brick layers with 1" hollow space between?

— Onie Chanute, KS

Michael Holcomb

Answered by Michael Holcomb

Alliance for Environmental Sustainability (Headquarters)

October 14, 2011

Is there an expandable foam insulation that would insulate exterior walls consisting of 2 brick layers with 1" hollow space between?

— Onie Chanute, KS

Answered by Michael Holcomb on October 14, 2011

What type of insulation do you recommend for a 1959 tri-level home in Illinois? Our house has cathedral ceilings without attics.

— Yvette Glenview, IL

Answered by Michael Holcomb on August 30, 2011

Is it worthwhile putting spray foam between joists in my attic ceiling?

— Jim Doylestown, OH

Answered by David Willson on August 3, 2011

Do I need to insulate the floor of a workshop?

— Elizabeth Chester, NY

Answered by Michael Holcomb on July 18, 2011

I have a home with brick exterior and block interior walls. How can I insulate the walls?

— jeff andrews Chattanooga, TN

Answered by Michael Holcomb on July 18, 2011

Recently installed foam insulation is separating from joists. Is it an installation problem, or typical of the product?

— Tommy Sullivan Leland, NC

Answered by Raymond Pruban on June 20, 2011

My house is not insulated. What are the best ways to add wall insulation? Or is it better to just add more attic insulation?

— Bill Rancho Palos Verdes, CA

Answered by Christian Kienapfel | AIA Architect | RA | LEED AP | Dipl.-Ing. Architekt (Germany) on May 8, 2011

Which is more energy efficient -- a metal roof or foam insulation?

— Rainey S. Wilmington, NC

Answered by Jason Kliwinski on March 7, 2011

Which is best for an attic: closed or open cell spray foam?

— Karen Zebulon, NC

Answered by Matthew McCullough on February 22, 2011

Closed or open cell foam in our to-be-finished attic in Maine? And what kind of venting is necessary?

— BHNelson Westbrook, ME

Answered by Matthew McCullough on February 22, 2011

 

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