Professional Centre

WERS

WERS

Window Performance

The performance values displayed on the following pages are for use in the calculation of Whole of Window (WoW) energy requirements in accordance with the National Construction Code, Volume 1 (section J) & Volume 2 Part 3.12. These values are not to be used for the purpose of glass only energy requirements.

Data is presented in the lowest to highest Uw rating. To sort by a different column please click the heading

Ser­ies Glass Uw SHGCw VTw Glaz­ing
451 Aluminium Fixed Window
6mm TLE60 on Clear (#2) / 12mm Argon Gap / 6mm Clear
2.68 0.24 0.50 Double
451 Aluminium Fixed Window
6.38mm Grey Laminate / 12mm Argon Gap / 6mm Lumatherm #3
2.68 0.30 0.33 Double
451 Aluminium Fixed Window
6mm TLE60 Clear Low-e #2 / 12mm Air Gap / 6mm Clear
2.90 0.25 0.50 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm TLE60 Clear Low-e #3
2.90 0.29 0.44 Double
451 Aluminium Fixed Window
4mm Grey / 12mm Air Gap / 4mm Solarban 60 Low-E on Clear
3.00 0.29 0.37 Double
451 Aluminium Fixed Window
4mm Solarban 60 / 12mm Air Gap / 4mm Clear
3.00 0.34 0.60 Double
451 Aluminium Fixed Window
4mm Green / 12mm Air Gap / 4mm Solarban 60 Low E on Clear
3.00 0.35 0.55 Double
451 Aluminium Fixed Window
6mm Sunergy Clear Low-e #2 / 12mm Argon Gap / 6mm Clear
3.08 0.45 0.51 Double
451 Aluminium Fixed Window
6mm SolTech / 12mm Air Gap / 6mm Clear
3.09 0.40 0.48 Double
451 Aluminium Fixed Window
6mm Low-e on Green #2 / 12mm Air Gap / 6mm Clear
3.10 0.37 0.53 Double
451 Aluminium Fixed Window
6mm SolTech Grey Low-e #2 / 12mm Air Gap / 6mm Clear
3.11 0.27 0.23 Double
451 Aluminium Fixed Window
6mm Low-e on Grey #2 / 12mm Air Gap / 6mm Clear
3.11 0.35 0.30 Double
451 Aluminium Fixed Window
6.38mm Light Grey Laminate / 12mm Argon Gap / 6mm Lumatherm #3
2.68 0.36 0.46 Double
451 Aluminium Fixed Window
6mm Azuria / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.30 0.47 Double
451 Aluminium Fixed Window
6mm Azuria / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.30 0.47 Double
451 Aluminium Fixed Window
6mm Supergreen / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.31 0.45 Double
451 Aluminium Fixed Window
6mm Supergreen / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.31 0.45 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.35 0.30 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.35 0.30 Double
451 Aluminium Fixed Window
6mm Panasap Dark Blue / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.36 0.40 Double
451 Aluminium Fixed Window
6mm Panasap Dark Blue / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.36 0.40 Double
451 Aluminium Fixed Window
6mm Bronze / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.39 0.35 Double
451 Aluminium Fixed Window
6mm Bronze / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.39 0.35 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Argon Gap / 6mm Lumatherm #3
2.69 0.28 0.31 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.39 0.53 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.39 0.53 Double
451 Aluminium Fixed Window
4mm Grey / 12mm Air Gap / 4mm Low-e on Clear #2
3.20 0.42 0.38 Double
451 Aluminium Fixed Window
4mm Grey / 12mm Air Gap / 4mm Low-e on Clear #3
3.20 0.42 0.38 Double
451 Aluminium Fixed Window
4mm Green / 12mm Air Gap / 4mm Low-e on Clear #2
3.20 0.45 0.56 Double
451 Aluminium Fixed Window
4mm Green / 12mm Air Gap / 4mm Low-e on Clear #3
3.20 0.45 0.56 Double
451 Aluminium Fixed Window
6mm Low-e on Clear #2 / 12mm Air Gap / 6mm Clear
3.20 0.54 0.61 Double
451 Aluminium Fixed Window
6mm Low-e on Clear #2 / 12mm Air Gap / 6mm Clear
3.20 0.54 0.61 Double
451 Aluminium Fixed Window
6mm Low-e on Clear #2 / 12mm Air Gap / 6mm Clear
3.20 0.54 0.61 Double
451 Aluminium Fixed Window
6mm Low-e on Clear #2 / 12mm Air Gap / 6mm Clear
3.20 0.54 0.61 Double
451 Aluminium Fixed Window
6.38mm Clear Laminate / 12mm Argon Gap / 6mm Lumatherm #3
2.69 0.46 0.66 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.57 0.61 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Air Gap / 6mm Low-e on Clear #3
3.20 0.57 0.61 Double
451 Aluminium Fixed Window
4mm Clear / 12mm Air Gap / 4mm Low-e on Clear #2
3.20 0.60 0.62 Double
451 Aluminium Fixed Window
6mm Sunergy Grey #2 / 12mm Air Gap / 6mm Clear
3.30 0.30 0.25 Double
451 Aluminium Fixed Window
6mm Supergreen / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.30 0.38 Double
451 Aluminium Fixed Window
6mm Azuria / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.30 0.39 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.34 0.25 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap/ 6mm Sunergy Grey Low-e #3
3.30 0.36 0.22 Double
451 Aluminium Fixed Window
6mm Panasap Dark Blue / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.36 0.33 Double
451 Aluminium Fixed Window
6mm Bronze / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.38 0.29 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Argon Gap / 6mm Lumatherm #3
2.69 0.48 0.66 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.38 0.44 Double
451 Aluminium Fixed Window
6mm Sunergy Clear Low-e #2 / 12mm Air Gap / 6mm Clear
3.30 0.44 0.51 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Air Gap / 6mm Sunergy Clear Low-e #3
3.30 0.55 0.51 Double
451 Aluminium Fixed Window
4mm Low-e on Clear #2 / 12mm Air Gap / 4mm Clear
3.40 0.46 0.52 Double
451 Aluminium Fixed Window
6mm Low-e on Clear #2 / 8mm Air Gap / 6mm Clear
3.40 0.54 0.61 Double
451 Aluminium Fixed Window
6mm Azuria / 12mm Air Gap / 6mm Clear
3.70 0.34 0.51 Double
451 Aluminium Fixed Window
6mm Supergreen / 12mm Air Gap / 6mm Clear
3.70 0.35 0.49 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Clear
3.70 0.39 0.33 Double
451 Aluminium Fixed Window
6mm Panasap Dark Blue / 12mm Air Gap / 6mm Clear
3.70 0.41 0.43 Double
451 Aluminium Fixed Window
6mm Bronze / 12mm Air Gap / 6mm Clear
3.70 0.43 0.38 Double
451 Aluminium Fixed Window
6mm SolTech Low-e #2 / 12mm Argon Gap / 6mm Clear
2.90 0.40 0.48 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Clear
3.70 0.43 0.57 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Air Gap / 6mm Clear
3.70 0.61 0.66 Double
451 Aluminium Fixed Window
6mm Azuria / 12mm Air Gap / 6mm Clear
3.80 0.34 0.51 Double
451 Aluminium Fixed Window
6mm Supergreen / 12mm Air Gap / 6mm Clear
3.80 0.35 0.49 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Clear
3.80 0.39 0.33 Double
451 Aluminium Fixed Window
6mm Panasap Dark Blue / 12mm Air Gap / 6mm Clear
3.80 0.41 0.43 Double
451 Aluminium Fixed Window
6mm Bronze / 12mm Air Gap / 6mm Clear
3.80 0.43 0.38 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Clear
3.80 0.43 0.58 Double
451 Aluminium Fixed Window
4mm Grey / 12mm Air Gap / 4mm Clear
3.80 0.47 0.42 Double
451 Aluminium Fixed Window
4mm Green / 12mm Air Gap / 4mm Clear
3.80 0.49 0.61 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm TLE60 Clear Low-e #3
2.90 0.22 0.24 Double
451 Aluminium Fixed Window
6mm Clear / 12mm Air Gap / 6mm Clear
3.80 0.61 0.66 Double
451 Aluminium Fixed Window
4mm Clear / 12mm Air Gap / 4mm Clear
3.80 0.64 0.67 Double
451 Aluminium Fixed Window
5mm Supergreen / 10mm Air Gap / 5mm Clear
3.90 0.40 0.55 Double
451 Aluminium Fixed Window
6.38mm Grey Laminate / 8mm Air Gap / 6mm Clear
3.90 0.43 0.31 Double
451 Aluminium Fixed Window
5mm Grey / 10mm Air Gap / 5mm Clear
3.90 0.43 0.38 Double
451 Aluminium Fixed Window
5mm Green / 10mm Air Gap / 5mm Clear
3.90 0.46 0.60 Double
451 Aluminium Fixed Window
6.38mm Green Laminate / 8mm Air Gap / 6mm Clear
3.90 0.53 0.53 Double
451 Aluminium Fixed Window
6.38mm Clear Laminate / 8mm Air Gap / 6mm Clear
3.90 0.59 0.66 Double
451 Aluminium Fixed Window
5mm Clear / 10mm Air Gap / 5mm Clear
3.90 0.62 0.67 Double
451 Aluminium Fixed Window
6mm Supergreen / 8mm Air Gap / 6mm Clear
4.00 0.35 0.49 Double
451 Aluminium Fixed Window
6mm Super Blue / 12mm Air Gap / 6mm TLE60 Clear Low-e #3
2.90 0.24 0.31 Double
451 Aluminium Fixed Window
6mm Azuria / 8mm Air Gap / 6mm Clear
4.00 0.35 0.51 Double
451 Aluminium Fixed Window
6mm Grey / 12mm Air Gap / 6mm Clear
4.00 0.39 0.33 Double
451 Aluminium Fixed Window
6mm Green / 12mm Air Gap / 6mm Clear
4.00 0.43 0.58 Double
451 Aluminium Fixed Window
6mm Bronze / 8mm Air Gap / 6mm Clear
4.00 0.44 0.38 Double
451 Aluminium Fixed Window
6mm Clear / 8mm Air Gap / 6mm Clear
4.00 0.61 0.66 Double
451 Aluminium Fixed Window
6mm Super Green / 12mm Air Gap / 6mm TLE60 Clear Low-e #3
2.90 0.25 0.38 Double