High Performance uPVC Windows
Find your glass.
Set the U-factor, SHGC and OITC your project calls for. You get the glass that meets them, with the certified values — no pricing, no sign-in.
Standard
Insulated double-pane · low-E, argon
0.27U-factor
0.23SHGC
0.35VT
33 / 27STC / OITC
NFRC CPD VST-K-4-00048-00001
Quieter
Insulated double-pane, asymmetric · low-E, argon
0.27U-factor
0.22SHGC
0.34VT
39 / 34STC / OITC
NFRC CPD VST-K-4-00091-00001
Quiet
Laminated acoustic double-pane · low-E, argon
0.27U-factor
0.21SHGC
0.33VT
46 / 38STC / OITC
NFRC CPD VST-K-4-00116-00001
Quietest
Laminated acoustic triple-pane · low-E, argon
0.24U-factor
0.20SHGC
0.31VT
47 / 40STC / OITC
NFRC CPD VST-K-4-00152-00001
Triple
Insulated triple-pane · low-E, argon
0.23U-factor
0.21SHGC
0.32VT
not testedSTC / OITC
NFRC CPD VST-K-4-00105-00001
Triple, warm edge
Insulated triple-pane · warm-edge spacer
0.18U-factor
0.18SHGC
0.28VT
not testedSTC / OITC
NFRC CPD VST-K-4-00219-00001
Krypton triple
Insulated triple-pane · warm-edge spacer
0.17U-factor
0.18SHGC
0.28VT
not testedSTC / OITC
NFRC CPD VST-K-4-00221-00001
Quiet and efficient
Laminated acoustic triple-pane · warm-edge spacer
0.18U-factor
0.17SHGC
0.27VT
47 / 40STC / OITC
NFRC CPD VST-K-4-00266-00001
Values shown are for a Vi6 casement, whole-window, NFRC-certified, without grilles. Other types and series differ slightly. This is a curated set; the full glass library, with a submittal builder, is in the architect portal.
High Performance. Made for —
Have targets from an energy model or an acoustic report?
Send them with your plans. We match the glass to each opening.