11
Framing
Framing Requirements
Fireplace chase may be framed with either combustible (typically wood studs) or non-combustible framing (typically metal studs).
Any framing within 10
7
/
16
” from the top of the fireplace glass (viewing area) must be non-combustible. Any framing after that point
may be combustible.
The framing of the fireplace chase must be designed to carry the entire weight of the wall and finish material. Surrounding material
must not transfer weight to the fireplace or be connected in any way to the fireplace, with the exception of
5
/
8
” Type X drywall or its
equivalent.
5
/
8
” Type X drywall may be fastened to the
top framing stand-offs only
, with 1-inch self-tapping drywall screws
16 inches on center.
No material is permitted to extend past the
5
/
8
”
deep metal drywall lip surrounding the fireplace viewing area. This area must be
unobstructed to allow the heat barrier and inside glass panel to be removed.
See next page for “Framing Dimensions” section.
5
/
8
” Type X Drywall Requirements
Exterior of the framing must be covered with
5
/
8
” Type X Drywall (or equivalent). Chase interior does not require a layer of
5
/
8
” Type
X Drywall. This applies to both combustible and non-combustible framing.
NOTE:
5
/
8
” DensGlass® Fireguard® Sheathing is an approved
5
/
8
” Type X Drywall equivalent. This may be necessary for
use with heavier finishes.
NOTE:
5
/
8
” Type X Drywall (or equivalent) is not required on the exterior portion of an insulated outside-facing wall.
Chase Floor/Platform
The fireplace must be installed on a flat, solid, continuous surface. Surface
can be wood, concrete, metal, and other typical solid floor types. Surface
material is not required to be non-combustible.
Fireplace leg height is 9
13
/
16
”, measured to the bottom viewing area. Legs
cannot be removed, cut, or adjusted.
Raised Platform Option:
To raise the fireplace higher than 9
13
/
16
” height,
build a platform for the fireplace to stand on. Platform must be stable and
able to bear the full weight of the fireplace. Platform can be constructed
out of wood, concrete, metal, or any other solid materials. Platform
material is not required to be non-combustible.
Fireplace Leg Height
NOTE: An air intake might be necessary to incorporate into the platform depending on the platform design. See “Air
Intake Platform” section on page 19 for details.
