N
L
B
Z
M
W
A
S
VI. DETAILED DIMENSIONS
DWT KNEE WALL ACCESS DOOR
21 x 31
27 x 35
Rough opening [in]
AxB
21 ½ x 31 ¼ 27 ½ x 35 ¼
Frame external dimensions [in]
WxL
21 x 31 27 x 35
Frame internal dimensions [in]
MxN
19 x 28 ¾ 24 ¾ x 32 ¾
Frame depth [in]
S
3 ½
Frame thickness[in]
Z
1
