Heatiator BIR42 Indoor Fireplace User Manual


  Open as PDF
of 56
 
42
IMPORTANT! Hearthextensiondesignmustbedetermined
beforeinstallationofreplace.
Floor
Non-combustible
Framing Material
Non-combustible
Finishing Material
Protective Metal
Hearth Strips
1 in. Micore or
equivalent insulation
& 1/2 in. Durock
Bottom of
fireplace opening
Note: The bottom of the
fireplace opening is 3-3/4 in.
(95.3mm) above the bottom of
the fireplace. Finished hearth
must NOT extend above this
level.
Platform must be built
to raise the bottom of
the fireplace opening
to the level of the
desired hearth height.
20 in. Min.
Hearth Extension
Figure 12.3 Raised Platform Hearth Extension Detail
Raised Hearth Extension Framing
Thehearthframingmustbeconstructedofnon-combus-
tiblematerials(Figure12.2)andplacedon1/2in.Durock
and1in.Micore(orequivalentmaterial)(Figure12.4).
Whencreatingtheplatform,allowforthethicknessofthe
non-combustiblenishingmaterials(Figure12.5).
Non-combustible
Framing Material
1 in. Micore or
equivalent insulation
& 1/2 in. Durock
Figure 12.4 Raised Platform Hearth Extension-Framing Materials
Non-combustible
Finishing Materials
Figure 12.5 Raised Platform Hearth Extension-Finishing Materials
* 2 in. (51 mm)
Continuous,
non-combustible sealant
Tile, stone or other
non-combustible material
Floor constructed of wood or
other combustible material
1 in. Micore or
equivalent insulation
(see Table)
Fireplace
Protective
Metal Hearth
Strip
Durock
*
*
Figure 12.2 Hearth Extension Construction
Heatilator•BirminghamBIR42•4059-308RevJ•1/11
 previous next