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
131	Aluminium Sliding Window 4mm Grey / 8mm Air Gap / 4mm Low-e on Clear #3	3.70	0.40	0.36	Double
131	Aluminium Sliding Window 4mm Green / 8mm Air Gap / 4mm Low-e on Clear #3	3.70	0.42	0.53	Double
131	Aluminium Sliding Window 6mm Low-e on Clear #2 / 6mm Air Gap / 4mm Clear	3.90	0.51	0.58	Double
131	Aluminium Fixed Window 5mm Clear	6.20	0.76	0.80	Single
131	Aluminium Fixed Window 4mm Clear	6.20	0.77	0.80	Single
131-100	Aluminium Sliding Window 6.38mm Grey Laminate	6.35	0.51	0.36	Single
131-100	Aluminium Sliding Window 6.38mm Light Grey Laminate	6.43	0.57	0.52	Single
131-100	Aluminium Sliding Window 6.38mm Clear Lam	6.43	0.66	0.74	Single
131-100	Aluminium Sliding Window 5mm Grey	6.52	0.52	0.40	Single
131-100	Aluminium Sliding Window 5mm Clear	6.52	0.70	0.75	Single
131	Aluminium Sliding Window 6mm Clear / 6mm Air Gap / 4mm Low-e on Clear #3	3.90	0.53	0.58	Double
131	Aluminium Sliding Window 6mm Grey / 6mm Air Gap / 4mm Low-e on Clear #3	4.00	0.34	0.29	Double
131	Aluminium Sliding Window 6.38mm Grey Laminate / 6mm Air Gap / 4mm Low-e on Clear #3	4.00	0.37	0.27	Double
131	Aluminium Sliding Window 4mm Grey / 6mm Air Gap / 4mm Low-e on Clear #3	4.00	0.40	0.36	Double
131	Aluminium Sliding Window 4mm Green / 6mm Air gap / 4mm Low-e on Clear #3	4.00	0.42	0.53	Double
131	Aluminium Sliding Window 6.38mm Green Laminate / 6mm Air Gap / 4mm Low-e on Clear #3	4.00	0.46	0.47	Double
131	Aluminium Sliding Window 4mm Low-e on Clear #2 / 6mm Air Gap / 4mm Clear	4.00	0.52	0.58	Double
131	Aluminium Sliding Window 4mm Clear / 6mm Air Gap / 4mm Low-e on Clear #3	4.00	0.55	0.58	Double
131	Aluminium Fixed Window 6.76mm Solect Clear Plus 1X9 Laminate Low-e #4	4.10	0.51	0.69	Single
131	Aluminium Sliding Window 4mm Low-e on Clear #2 / 8mm Air Gap / 4mm Clear	3.70	0.52	0.58	Double
131	Aluminium Fixed Window 6.38mm Solect Blue Green 139 Laminate Low-e #4	4.10	0.56	0.59	Single
131	Aluminium Fixed Window 6.38mm Solect Blue 169 Laminate Low-e #4	4.10	0.58	0.61	Single
131	Aluminium Fixed Window 6mm Low-e on Super Green #2	4.20	0.37	0.54	Single
131	Aluminium Fixed Window 6.38mm Comfort Plus Grey Laminate Low-e #4	4.20	0.46	0.35	Single
131	Aluminium Fixed Window 6.38mm Solect Pewter 129 Laminate Low-e #4	4.20	0.46	0.35	Single
131	Aluminium Fixed Window 6.38mm Solect Green 819 Laminate Low-e #4	4.20	0.46	0.63	Single
131	Aluminium Fixed Window 6.38mm Comfort Plus Neutral Laminate Low-e #4	4.20	0.47	0.53	Single
131	Aluminium Fixed Window 6.38mm Comfort Plus Green Laminate Low-e #4	4.20	0.47	0.63	Single
131	Aluminium Fixed Window 6mm SolTech	4.20	0.49	0.57	Single
131	Aluminium Fixed Window 6.38mm Solect Clear 119 Laminate Low-e #4	4.20	0.62	0.73	Single
131	Aluminium Sliding Window 4mm Clear / 8mm Air Gap / 4mm Low-e on Clear #3	3.70	0.56	0.58	Double
131	Aluminium Fixed Window 6.38mm Comfort Plus Clear Laminate Low-e #4	4.20	0.63	0.73	Single
131	Aluminium Fixed Window 6mm Low-e on Clear #2	4.20	0.65	0.74	Single
131	Aluminium Sliding Window 4mm Grey / 8mm Air Gap / 4mm Clear	4.20	0.44	0.39	Double
131	Aluminium Sliding Window 4mm Green / 8mm Air Gap / 4mm Clear	4.20	0.46	0.58	Double
131	Aluminium Sliding Window 4mm Clear / 8mm Air Gap / 4mm Clear	4.20	0.60	0.63	Double
131	Aluminium Fixed Window 6.38mm Solect Shadow 1H9 Laminate Low-e #4	4.23	0.52	0.51	Single
131	Aluminium Fixed Window 6mm SolTech Grey	4.27	0.34	0.27	Single
131	Aluminium Fixed Window 6mm Low-e on Grey #2	4.29	0.44	0.36	Single
131	Aluminium Fixed Window 6mm Solar E Grey	4.30	0.34	0.27	Single
131	Aluminium Fixed Window 4mm SolTech	4.30	0.50	0.55	Single
131	Aluminium Sliding Window 6mm Supergreen / 6mm Air Gap / 4mm Low-e on Clear #3	3.90	0.30	0.43	Double
131	Aluminium Fixed Window 4mm Low-e on Clear #2	4.30	0.65	0.73	Single
131	Aluminium Sliding Window 6.38mm Grey Laminate / 6mm Air Gap / 4mm Clear	4.30	0.41	0.30	Double
131	Aluminium Sliding Window 6.38mm Green Laminate / 6mm Air Gap / 4mm Clear	4.30	0.50	0.51	Double
131	Aluminium Fixed Window 6mm EVantage SuperBlue	4.40	0.34	0.35	Single
131	Aluminium Fixed Window 6mm EVantage Supergreen	4.40	0.34	0.43	Single
131	Aluminium Fixed Window 6mm EVantage Grey	4.40	0.38	0.29	Single
131	Aluminium Fixed Window 6mm EVantage Blue Green Low-e #2	4.40	0.42	0.50	Single
131	Aluminium Fixed Window 6mm EVantage Clear	4.40	0.57	0.60	Single
131	Aluminium Sliding Window 6mm Azuria / 6mm Air Gap / 4mm Clear	4.40	0.33	0.48	Double
131	Aluminium Sliding Window 6mm Supergreen / 6mm Air Gap / 4mm Clear	4.40	0.34	0.46	Double
131	Aluminium Sliding Window 6mm Azuria / 6mm Air Gap / 4mm Low-e on Clear #3	3.90	0.30	0.44	Double
131	Aluminium Sliding Window 5mm Panasap Dark Grey / 6mm Air Gap / 5mm Clear	4.40	0.36	0.15	Double
131	Aluminium Sliding Window 6mm Grey / 6mm Air Gap / 4mm Clear	4.40	0.38	0.31	Double
131	Aluminium Sliding Window 5mm Supergreen / 6mm Air Gap / 5mm Clear	4.40	0.38	0.51	Double
131	Aluminium Sliding Window 5mm Grey / 6mm Air Gap / 5mm Clear	4.40	0.41	0.35	Double
131	Aluminium Sliding Window 6mm Green / 6mm Air Gap / 4mm Clear	4.40	0.41	0.55	Double
131	Aluminium Sliding Window 6mm Bronze / 6mm Air Gap / 4mm Clear	4.40	0.42	0.36	Double
131	Aluminium Sliding Window 4mm Grey / 6mm Air Gap / 4mm Clear	4.40	0.44	0.39	Double
131	Aluminium Sliding Window 5mm Green / 6mm Air Gap / 5 mm Clear	4.40	0.44	0.56	Double
131	Aluminium Sliding Window 4mm Grey / 6mm Air Gap / 4mm Clear	4.40	0.45	0.40	Double
131	Aluminium Sliding Window 4mm Green / 6mm Air Gap / 4mm Clear	4.40	0.46	0.58	Double
131	Aluminium Sliding Window 6.38mm Solect Green 819 Low-e #4 / 6mm Air Gap / 4mm Clear	3.90	0.36	0.50	Double
131	Aluminium Sliding Window 4mm Green / 6mm Air Gap / 4mm Clear	4.40	0.47	0.58	Double
131	Aluminium Sliding Window 5mm Clear / 6mm Air Gap / 5mm Clear	4.40	0.58	0.63	Double
131	Aluminium Sliding Window 6mm Clear / 6mm Air Gap / 4mm Clear	4.40	0.58	0.63	Double
131	Aluminium Sliding Window 4mm Clear / 6mm Air Gap / 4mm Clear	4.40	0.60	0.63	Double
131	Aluminium Fixed Window 6mm Sunergy Grey #2	4.50	0.40	0.30	Single
131	Aluminium Fixed Window 6mm Sunergy Green Low-e #2	4.60	0.40	0.50	Single
131	Aluminium Fixed Window 6.38mm Solect Netural 11S Laminate Low-e #4	4.60	0.53	0.61	Single
131	Aluminium Fixed Window 6mm Sunergy Clear Low-e #2	4.60	0.55	0.61	Single
131-100	Aluminium Sliding Window 6.38mm Comfort Plus Neutral Laminate Low-e #4	4.76	0.44	0.51	Single
131-100	Aluminium Sliding Window 6.38mm Solect Pewter 129 Laminate Low-e #4	4.77	0.42	0.35	Single
131	Aluminium Sliding Window 6mm Bronze / 6mm Air Gap / 4mm Low-e on Clear #3	3.90	0.38	0.33	Double
131-100	Aluminium Sliding Window 6.38mm Solect Clear 119 Laminate Low-e #4	4.77	0.57	0.69	Single
131-100	Aluminium Sliding Window 6mm SolTech	4.78	0.46	0.54	Single
131-100	Aluminium Sliding Window 6mm Low-e on Clear #2	4.80	0.63	0.69	Single
131-100	Aluminium Sliding Window 6.38mm Solect Netural 11S Laminate Low-e #4	5.08	0.47	0.57	Single
131-100	Aluminium Sliding Window 6mm Sunergy Clear Low-e #2	5.15	0.51	0.58	Single
131-100	Aluminium Sliding Window 6mm Sunergy Grey #2	5.15	0.37	0.29	Single
131	Aluminium Fixed Window 6.76mm Solutia Acoustic Laminate	6.00	0.65	0.70	Single
131	Aluminium Fixed Window 6.76mm Clear Laminate	6.00	0.72	0.79	Single
131	Aluminium Fixed Window 6.38mm Light Grey Laminate	6.04	0.63	0.55	Single
131	Aluminium Fixed Window 6.38mm Supergreen Laminate	6.10	0.46	0.57	Single
131	Aluminium Sliding Window 6mm Green / 6mm Air Gap / 4mm Low-e on Clear #3	3.90	0.38	0.50	Double
131	Aluminium Fixed Window 6.38mm Grey Laminate	6.10	0.57	0.38	Single
131	Aluminium Fixed Window 6.38mm Sky Blue Laminate	6.10	0.63	0.48	Single
131	Aluminium Fixed Window 6.38mm Blue Green Laminate	6.10	0.66	0.64	Single
131	Aluminium Fixed Window 6.38mm Cool Blue Laminate	6.10	0.68	0.66	Single
131	Aluminium Fixed Window 6.38mm Clear Lam	6.10	0.73	0.79	Single
131	Aluminium Fixed Window 6mm Azuria	6.20	0.47	0.61	Single
131	Aluminium Fixed Window 6mm SuperBlue	6.20	0.48	0.47	Single
131	Aluminium Fixed Window 6mm Supergreen	6.20	0.48	0.59	Single
131	Aluminium Fixed Window 5mm Panasap Dark Grey	6.20	0.52	0.19	Single
131	Aluminium Fixed Window 6mm Grey	6.20	0.53	0.39	Single
131	Aluminium Sliding Window 6.38mm Solect Clear 119 Low-e #4 / 6mm Air Gap / 4mm Clear	3.90	0.49	0.58	Double
131	Aluminium Fixed Window 5mm Supergreen	6.20	0.53	0.65	Single
131	Aluminium Fixed Window 6mm PanasapDarkBlue	6.20	0.54	0.52	Single
131	Aluminium Fixed Window 6mm Green	6.20	0.56	0.69	Single
131	Aluminium Fixed Window 5mm Grey	6.20	0.57	0.45	Single
131	Aluminium Fixed Window 6mm Bronze	6.20	0.57	0.46	Single
131	Aluminium Fixed Window 5mm Green	6.20	0.59	0.71	Single
131	Aluminium Fixed Window 4mm Grey	6.20	0.60	0.50	Single
131	Aluminium Fixed Window 5mm Bronze	6.20	0.61	0.53	Single
131	Aluminium Fixed Window 4mm Green	6.20	0.62	0.73	Single
131	Aluminium Fixed Window 6mm Clear	6.20	0.75	0.79	Single