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NFRC Information

Most of our products are rated by the NFRC, the National Fenestration Rating Council. Below you can find the NFRC U-Factor and Solar Heat Gain Coefficient (SGHC) ratings for our NFRC-evaluated products.

Series 3000 - 1 5/8" Aluminum Window

Fixed

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.420.35
3/16 SB60 / Argon / 3/16 Clear0.380.35
3/16 SB70 / Air / 3/16 Clear0.410.25
3/16 SB70 / Argon / 3/16 Clear0.380.25
3/16 SB70 / Argon / 3/16 Energy Advantage0.310.23

Casement

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.570.3
3/16 SB60 / Argon / 3/16 Clear0.550.29
3/16 SB70 / Air / 3/16 Clear0.570.21
3/16 SB70 / Argon / 3/16 Clear0.540.21
3/16 SB70 / Argon / 3/16 Energy Advantage0.490.2

Awning

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.580.3
3/16 SB60 / Argon / 3/16 Clear0.550.29
3/16 SB70 / Air / 3/16 Clear0.570.21
3/16 SB70 / Argon / 3/16 Clear0.550.21
3/16 SB70 / Argon / 3/16 Energy Advantage0.490.2

Series 5000 - 2 1/4" Thermally Broken Fill & Debridge Aluminum Window

Fixed

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.380.35
3/16 SB60 / Argon / 3/16 Clear 0.340.34
3/16 SB70 / Air / 3/16 Clear 0.370.24
3/16 SB70 / Argon / 3/16 Clear 0.330.24
3/16 SB70 / Argon / 3/16 Energy Advantage0.280.23

Casement

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.480.28
3/16 SB60 / Argon / 3/16 Clear 0.450.28
3/16 SB70 / Air / 3/16 Clear 0.480.2
3/16 SB70 / Argon / 3/16 Clear 0.450.2
3/16 SB70 / Argon / 3/16 Energy Advantage0.40.19

Awning

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.480.28
3/16 SB60 / Argon / 3/16 Clear 0.450.28
3/16 SB70 / Air / 3/16 Clear 0.480.2
3/16 SB70 / Argon / 3/16 Clear 0.450.2
3/16 SB70 / Argon / 3/16 Energy Advantage0.410.19

Series 6000 2 1/2" Thermal Strut Aluminum Window

Fixed

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.360.34
3/16 SB60 / Argon / 3/16 Clear 0.320.34
3/16 SB70 / Air / 3/16 Clear 0.360.24
3/16 SB70 / Argon / 3/16 Clear 0.310.23
3/16 SB70 / Argon / 3/16 Energy Advantage0.270.22

Casement

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.450.26
3/16 SB60 / Argon / 3/16 Clear 0.420.26
3/16 SB70 / Air / 3/16 Clear 0.440.18
3/16 SB70 / Argon / 3/16 Clear 0.410.18
3/16 SB70 / Argon / 3/16 Energy Advantage0.370.17

Awning

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.450.26
3/16 SB60 / Argon / 3/16 Clear 0.420.26
3/16 SB70 / Air / 3/16 Clear 0.440.18
3/16 SB70 / Argon / 3/16 Clear 0.410.18
3/16 SB70 / Argon / 3/16 Energy Advantage0.380.17

Series 7000 - Thermal Strut Aluminum Swing Door

Inswing standard sill

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.440.26
3/16 SB60 / Argon / 3/16 Clear 0.410.26
3/16 SB70 / Air / 3/16 Clear 0.430.18
3/16 SB70 / Argon / 3/16 Clear 0.40.18
3/16 SB70 / Argon / 3/16 Energy Advantage0.370.17

Outswing standard sill

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.440.26
3/16 SB60 / Argon / 3/16 Clear 0.410.26
3/16 SB70 / Air / 3/16 Clear 0.430.19
3/16 SB70 / Argon / 3/16 Clear 0.410.18
3/16 SB70 / Argon / 3/16 Energy Advantage0.370.18

Sidelite toplite

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.380.33
3/16 SB60 / Argon / 3/16 Clear 0.350.32
3/16 SB70 / Air / 3/16 Clear 0.380.23
3/16 SB70 / Argon / 3/16 Clear 0.340.23
3/16 SB70 / Argon / 3/16 Energy Advantage0.30.22

Series 8000 Thermal Strut Aluminum Sliding Door

Sliding door

Glass Make Up U-Factor SHGC
3/16 SB60 / Air / 3/16 Clear *0.410.3
3/16 SB60 / Argon / 3/16 Clear 0.370.3
3/16 SB70 / Air / 3/16 Clear 0.410.21
3/16 SB70 / Argon / 3/16 Energy Advantage0.330.2

Download Excel File

* Default glass used for quoting unless otherwise stated
** Other glass make ups available upon request.
Updated 1/06/2016
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