How do we upgrade the heating system in our sun room?

— Michael Snyder Potomac, MD

Answered by Sean Lintow Sr on March 14, 2013

We have a black dust problem with the ducts in several rooms.

— Jan Jackson, NJ

Answered by Sean Lintow Sr on March 14, 2013

I want to add a second floor. Are SIPs applicable for this?

— DKJ Petaluma, CA

Answered by Sean Lintow Sr on March 6, 2013

How do I build (detail) an insulated shallow foundation with a (wet) radiant slab?

— Charles schwab AIA, CAPS,, CGP Bettendorf, IA

Answered by Sean Lintow Sr on March 6, 2013