![Valor 1400IN Installation & Owner'S Manual Download Page 29](http://html1.mh-extra.com/html/valor/1400in/1400in_installation-and-owners-manual_851684029.webp)
29
Min. 45-1/2” (1156 mm)
M
in. 15”
(381 mm)
Non-combustible
board required
thickness:
1/2 inch (13 mm)
Framing Requirements
Minimum Non-Combustible Board
Dimensions
Minimum coverage area of non-combustible board.
Any wall fi nish applied to shaded area must be non-
combustible. We recommend extending the non-
combustible board well beyond the size shown to
avoid cracking due to differential shrinkage
—see page 41.
QUALIFIED
INSTALLER