Green spray foam Questions

We've got moisture/mold issues after spraying closed cell foam in the rafters of our 1925 home's unfinished attic.

— Gena Dennis Wausau, WI

Lucas Johnson

Answered by Lucas Johnson

Santa Barbara, CA

Allen Associates Building Performance Specialists

March 30, 2012

We've got moisture/mold issues after spraying closed cell foam in the rafters of our 1925 home's unfinished attic.

— Gena Dennis Wausau, WI

Answered by Lucas Johnson on March 30, 2012

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

 

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