■ MEASURE YOUR OPENING

A (width) by B (height) = size door you need

Note: Measure opening in feet and inches.

■ DETERMINE BRACKET MOUNTING SURFACE AREAS

Refer to the height charts below for
minimum areas required for your door to operate correctly.

■ DETERMINE CLEARANCE AREAS

Refer to the height charts below for
minimum areas required for your door to operate correctly.

260H

DOOR HEIGHT

Up to 7’4″ 7’5″–8’8″ 8’9″–10′ 10’1″–14′
C = Header
Bracket Width
4″ 4″ 4″ 4″
D = Header
Bracket Height
7-1/2″ 7-1/2″ 7-1/2″ 7-1/2″
E = Sideroom 4″ 4″ 4″ 4″
F = Backroom 17″ 17-1/2″ 18-1/4″ 19-1/4″
G = Headroom 15-1/2″ 16″ 17″ 18″

270H

DOOR HEIGHT

Up to 8′ 8’1″–10′ 10’1″–14′ 14’1″–16′ 16’1″–18′
C = Header
Bracket Width
8-1/2″ 8-1/2″ 8-1/2″ 8-1/2″ 8-1/2″
D = Header
Bracket Height
9″ 9″ 9″ 9″ 9″
E = Sideroom 6″ 6″ 6″ 6″ 6″
F = Backroom 19″ 21″ 22″ 23″ 24″
G = Headroom 17″ 19″ 20″ 21″ 22″