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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
/
" from the top of the fireplace glass (viewing area) must be non-combustible. Any framing after that point
16
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
/
" Type X drywall may be fastened to the top framing stand-offs only, with 1-inch self-tapping drywall screws
equivalent.
5
8
16 inches on center.
No material is permitted to extend past the
unobstructed to allow the heat barrier and inside glass panel to be removed.
See next page for "Framing Dimensions" section.
/
" Type X Drywall Requirements
5
8
Exterior of the framing must be covered with
X Drywall. This applies to both combustible and non-combustible framing.
NOTE:
5
/
" DensGlass® Fireguard® Sheathing is an approved
8
use with heavier finishes.
NOTE:
5
/
" Type X Drywall (or equivalent) is not required on the exterior portion of an insulated outside-facing wall.
8
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
viewing area. Legs cannot be removed, cut, or adjusted.
Raised Platform Option: To raise the fireplace higher than
9
13
/
" height, build a platform for the fireplace to stand on.
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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.
NOTE: For fireplaces with the double glass heat barrier, an air intake might be necessary to incorporate into the platform
depending on the design. See "Air Intake for a Platform" section on page 19 for details.
/
" deep metal drywall lip surrounding the fireplace viewing area. This area must be
5
8
5
/
" Type X Drywall (or equivalent). Chase interior does not require a layer of
8
/
", measured to the bottom
13
16
5
/
" Type X Drywall equivalent. This may be necessary for
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Fireplace Leg Height
5
/
" Type X drywall or its
8
5
/
" Type
8
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