Innergy is the innovative, energy-efficient alternative to aluminum. Rigid Thermal Reinforcements are advanced fiberglass reinforced resin inserts, designed to slide easily into window and door frame chambers for greater support and insulation.
Better Thermal Performance
Up to 700 times better than aluminum in material-to-material comparisons.
Better Thermal Break
Impervious to cold or heat.
Better Protection against condensation
Helps prevent staining that can occur with reinforcements.
Will not permanently set when impacted. .
Boasting the latest and greatest in energy-saving technology
From polyurethane insulated frames and stainless-steel spacers to dual-pane, low-e glass panels with argon or krypton fills, our windows are built to provide ultimate energy efficiency.