Here is a good website to reference for foam insulation:
http://energy.gov/energysaver/types-insulation
Types of Liquid Foam Insulation
Today, most foam materials use foaming agents that don't use ... read more
There are new shingles on the market that are hail resistant, specifically GAF. And, Owens Corning TruDef shingles have a fantastic SureNail strip that gives them extra strength agains high winds. I ... read more