A WORLD CLASS SUPPLIER OF INSULATION AND COMPOSITE STRUCTURES. Thermal Structures has been an industry leading manufacturer since 1951. We specialize in custom fabricated insulation blankets, heat shields, fire shields, composite structures, metallic and silicone seals. Our insulation products are used in Aerospace and Industrial applications to protect engines, ducting, valves, mechanical equipment, sensors, electronics and wire harnesses. The company also features a NADCAP approved composites manufacturing facility producing lightweight nonmetallic structures for Aerospace applications. In 2013 Thermal Structures is pleased to announce the opening of its new metal bracket manufacturing facility at it's Corona manufacturing complex. Thermal Structures is an ISO 9001 and AS9100 approved company.