The High-Performing Alternative to Aluminum Inserts

Superior performance doesn’t get much easier than this.

Innergy® Rigid Thermal Reinforcements are advanced fiber glass reinforced resin inserts, designed to slide easily into energy-efficient window and door frame chambers for greater support and insulation.

The result is a new, more energy-efficient system with all the strength and structural reinforcement of aluminum, but with a whole new set of high performance benefits.

Learn more about the full suite of Innergy AP solutions.