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6 MantelMount RB100 Recess Box Kit MM340-MM540 Addendum
Temporarily fit the Recess Kit into the hole and mark the
locations for the four Lag Bolts onto the centers of the
studs. The Lag Bolts must be installed into the centers.
Pre-drill the 4 holes with 11/64” drill bit to a depth of
2.5 inches (65mm) including wall covering. Note: Wall
covering (drywall) must not exceed 5/8” thickness.
Install the Recess Braces onto the Recess Box {61}
aligning the center mark to the center of the Recess Box.
install Screws {14} from the back and the Lockuts {52}
from the front. Tighten Securely.
The heads of the Screws will protrude slightly in back and
will need to be pressed into the drywall.
Align a Recess Brace {63} to the studs in order to locate
the center line onto the Brace. An equal amount of the
Brace should extend past each of the studs.
The Recess Brace may extend more to the left or right
when the installation is finished.
CL
Optional Longer
Brace Shown
STUD
STUD
3.3a
3.2a
2.6a
3.1a
Holes oriented
at the bottom
