Page 70 - Andersen Architectural Collection A-Series 2018-19 Product Guide for Professionals

WINDOWS

Double-Hung Windows
Equal Sash Ratio

Dual-Pane & Triple-Pane 15 1 ⁄4" to 47 1 ⁄4"
(387) (1200)
CUSTOM WIDTHS

95 1 ⁄4" (2419)
to CUSTOM HEIGHTS
27 1 ⁄4" (692)

Clear Opening* Width = window width − 4.06" (103) Minimum R.O. Width = window width + 3 /4" (19)
Height = (window height ÷ 2) − 4.65" (118) Height = window height + 3 /4" (19)

Vent Opening* Width = window width − 4.06" (103) Unobstr. Glass Width = window width − 6.65" (169)

Height = (window height ÷ 2) − 3.84" (98) Single Sash Height = (window height − 9.65" (245)) ÷ 2
Total Sash Height = window height − 9.65" (245)

• Windows wider than 3'-1 1 ⁄4" (946) and taller than 4'-11 1 ⁄4" (1505) meet or exceed clear opening area of 5.7 sq. ft. or .053 m 2 , clear opening width of 20" (508) and clear opening height of 24" (610).
• Two locks are standard for windows with triple-pane glass or Andersen ® art glass on sizes wider than 1'-7 1 ⁄ 8" (486).
• Two locks are standard for windows with dual-pane glass on sizes wider than 3'-3 1 ⁄4" (997).
*Windows with triple-pane or art glass wider than 2'-11 1 ⁄4" (895) and taller than 5'-11 1 ⁄4" (1810) may have limited sash travel. Contact your Andersen supplier for clear opening and vent opening specifications.

2:3 Cottage Sash Ratio 3:2 Reverse Cottage Sash Ratio
Dual-Pane & Triple-Pane 15 1 ⁄4" to 47 1 ⁄4" Dual-Pane & Triple-Pane 15 1 ⁄4" to 47 1 ⁄4"
(387) (1200) (387) (1200)
CUSTOM WIDTHS CUSTOM WIDTHS

80 7 ⁄8" (2054) 80 7 ⁄8" (2054)

to CUSTOM HEIGHTS to CUSTOM HEIGHTS
31 3 ⁄4" (806) 31 3 ⁄4" (806)

Clear Opening* Width = window width − 4.06" (103) Minimum R.O. Width = window width + 3 /4" (19)
Height = (window height − 4.18" (106)) x 0.4 − 2.01" (51) Height = window height + 3 /4" (19)

Vent Opening* 2:3 Cottage Sash Ratio Unobstr. Glass 2:3 Cottage Sash Ratio
Width = window width − 4.06" (103) Width = window width − 6.65" (169)
Height = (window height − 4.18" (106)) x 0.4 − 2.01" (51) + 0.8" (20) Upper Sash Height = (window height − 9.65" (245)) x 0.4
Lower Sash Height = (window height − 9.65" (245)) x 0.6
Total Sash Height = window height − 9.65" (245)
3:2 Reverse Cottage Sash Ratio 3:2 Reverse Cottage Sash Ratio
Width = window width − 4.06" (103) Width = window width − 6.65" (169)
Height = (window height − 4.18" (106)) x 0.4 − 2.01" (51) + 2.2" (56) Upper Sash Height = (window height − 9.65" (245)) x 0.6
Lower Sash Height = (window height − 9.65" (245)) x 0.4
Total Sash Height = window height − 9.65" (245)
• Two locks are standard for windows with triple-pane glass or Andersen ® art glass on sizes wider than 1'-7 1 ⁄ 8" (486).
• Two locks are standard for windows with dual-pane glass on sizes wider than 3'-3 1 ⁄4" (997).
*Windows with triple-pane or art glass wider than 2'-11 1 ⁄4" (895) and taller than 4'-11 1 ⁄4" (1505) may have limited sash travel. Contact your Andersen supplier for clear opening and vent opening specifications.

• Dimensions in parentheses are in millimeters.
• Clear Opening formulas provide dimensions for determining area available for egress. Vent Opening formulas provide dimensions for determining area available for passage of air. Minimum R.O. (minimum rough opening) formulas
provide minimum rough opening width and height dimensions. Unobstr. Glass (unobstructed glass) formulas provide dimensions for determining area available for passage of light.

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