INvent.PLUS™ Series features composite framing that delivers R5 (operable units) or R6 (fixed window) performance. Also, 3 11/16 in. frame depth incorporates such energy conserving features as 44 mm polyamide thermal barriers, convective baffles, and foam cavity fillers. Windows carry AAMA's AW-100 Architectural Performance Class rating and can achieve CRF as high as 83 per AAMA-1503, U-Factor as low as 0.16 BTU/hr.sqft.°F per NFRC 100 standard, STC ratings of 34–41, and OITC ratings of 28–35.
This story is related to the following:Architectural Windows | Condensation Reduction Windows |