Articles

NRCA recommends designers specify polyisocyanurate insulation by its desired thickness rather than its R-value or long-term thermal resistance value.

The trend of increased regulatory activity will likely continue.

Spray polyurethane foam roof systems present distinct health and safety challenges for roofing contractors.

There are many important factors to consider when deciding whether to change an existing attic into an unvented attic.

Commercial Roofing & Waterproofing Hawaii Inc., Honolulu, restores the arched roof systems on a Honolulu landmark.

NRCA's 127th Annual Convention will impress attendees with new uses of technology and expanded educational programs.