Rolling Bifold and Walkthrough Doors
Wausau Window and Wall Systems INvent Retro XLT Windows
Helping meet Model Energy Codes, INvent Retro XLT windows with double insulating glass can achieve a U-Factor as low as 0.39 BTU/hr.sqft.F and a Condensation Resistance Factor (CRF) as high as CRF Frame 60/CRF Glass 70. Triple insulating glass further enhances energy savings and condensation resistance.