One is GacoFill slow-rise spray foam.  Holes are cut into the drywall, and this foam is injected into the holes in "lifts."  This process requires an empty wall (no fiberglass).  When completed, you have a foamed wall that is much more efficient than a fiberglass...

I've driven by it for years.  From almost any vantage point in Dayton, Ohio you can see the tall black spire of the Kettering Tower dominating the downtown skyline.  That is about to change for us, as we prepare to install a new commercial roofing system on this...

For decades, the building industry in Ohio has been trained to ventilate crawl spaces and attics.   In the old days, we didn’t insulate crawlspace floors, and we didn’t air-condition houses. Crawlspaces (especially the floorframing) were warmed by the houses...

Times have changed since Otto Bayer mixed those two chemicals together in 1939, making the first polyurethane foam. The 1940's was a period of development for spray foam.  The military quickly began to experiment with this amazing new material, even using it in a few...