Framing, Facing, Mantel, And Combustible Shelf - Osburn STRATFORD Installation Instructions Manual

2.4.3 Framing, Facing, Mantel, and Combustible Shelf

 Framing
The construction of the framing, facing, and mantel must be in accordance with the standards and
the following illustrations (figures 10 to 14):
A. Frame the fireplace using 2" × 3" (5 cm x 8 cm) or heavier lumber.
WARNING: COMBUSTIBLE FRAMING MATERIAL CANNOT BE USED IN THE
SPACE DIRECTLY ABOVE THE FIREPLACE, EXCEPT FOR THE STUDS ABOVE
THE FACING THAT SUPPORT THE FACING MATERIAL AND MANTEL. THIS
AREA MUST REMAIN EMPTY FOR A HEIGHT OF 7' (2,15 M) MEASURED
FROM THE BASE OF THE APPLIANCE.
B. Frame the fireplace with vertical studs at the sides of the fireplace running from floor to
ceiling (see figure 14). Position the studs back from the front edge of the fireplace, a space the
thickness of the facing material so that the facing can be installed flush with the fireplace
facing (within limitations of figure 14). Frame headers between the vertical studs only as
follows:
 Place 2" × 3" or 2" × 4" headers, only along the upper part of the front, side and back
faces. Do not put wood or any combustible material within the area above the fireplace
except on the front facing.
 Place headers only as required to support the facing and mantel.
WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR
OTHER MATERIALS.
WARNING: THE FIREPLACE MUST NOT BE IN CONTACT WITH ANY
INSULATION OR LOOSE FILLING MATERIAL. COVER THE INSULATION
WITH GYPROC PANELS AROUND THE FIREPLACE.
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