Energy Performance and Design Pressure Ratings
Window structural performance data

See your dealer or call Architectural Traditions for specific window structural performance data.

Window thermal performance data

Architectural Tradition's Incense Cedar casement windows meet and exceed the requirements of the NFRC (National Fenestration Rating Council) and NWWDA (National Wood Window and Door Manufacturers Association).

Values based on results from Architectural Testing - residential

Tint	Components	Description	U-Value1	SHGC2	VT3
clr/clr	clear/clear 1 lite	1/8" clr + 3/8" spacer + 1/8" clr	0.45	0.42	0.43
clr/clr		3/16" clr + 1/4" spacer + 3/16" clr	0.47	0.42	0.43
clr/clr	clear/clear TDL	1/8" clr + 3/8" spacer + 1/8" clr	0.47	0.35	0.34
clr/clr		3/16" clr + 1/4" spacer + 3/16" clr	0.49	0.35	0.34
clr/Low E	PPG Sungate 500/Low E/clr 1 lite	1/8" clr Low E + 3/8" spacer + 1/8" clr	0.39	0.37	0.40
clr/Low E	PPG Sungate 500 Low E/clr 1 lite	3/16" clr Low E + 1/4" spacer + 3/16" clr	0.42	0.37	0.40
clr/Low E	PPG Sungate 500 Low E/clr TDL	1/8" clr Low E + 3/8" spacer + 1/8" clr	0.42	0.31	0.32
clr/Low E	PPG Sungate 500 Low E/clr TDL	3/16" clr Low E + 1/4" spacer + 3/16" clr	0.45	0.31	0.32
clr/Low E	Solar Ban 60 Low E/clr 1 lite	1/8" sbclr Low E + 3/8" spacer + 1/8" clr	0.36	0.23	0.37
clr/Low E	Solar Ban 60 Low E/clr TDL	1/8" sbclr Low E + 3/8" spacer + 1/8" clr	0.40	0.20	0.30

¹Residential U-Value
²Residential Solar Heat Gain Coefficient
³Residential Visual Transmittance