HVAC and Fire Protection Insulation Market Key Players The key industry participants in the global HVAC and fire protection insulation market include Rockwell International A/S (US), Saint-Gobain (France), Kingspan Group (Ireland), Knauf Insulation (US), Armacell (Germany), PPG (US), L'ISOLANTE K-FLEX S.p.A. (Italy), GAF (US), Berkshire Hathaway, Inc. (US), Fletcher Insulation (Australia),...