New to NRCA members—FREE mental health training with LivingWorks.

Glossary

Search for roofing terms


SEARCH RESULTS

  
        
        
Term Description
Blowing agent An expanding agent used to produce a gas by chemical or thermal action or both in manufacture of hollow or cellular materials.
Advertisement

Subscribe for Updates Join 25,000+ roofing professionals following NRCA

Subscribe to NRCA