Installation guide

17
Supporting Floor Systems
It is the ultimate responsibility of the installer to ensure that
proper concrete slab supports are used.
WARNING: Combustible oor installations are limited to
TFS models only. To the licensed design professional and/or
building contractor: It is your responsibility to be certain that
the Burntech® can be properly supported by the combustible
oor system on which the replace will rest.
For replace support foundations installed on concrete refer to
Appendix I and II (pages 32 & 33) for specic instructions.
Rebar locations
Lay-out the position of the replace and drill holes where
the rebar will be located. Secure the 1/2” Rebar 4 inches into
the concrete foundation with Epoxy. Be sure to consult with
your engineer or local building ofcial for the correct Epoxy
formula. Follow manufacturer’s instructions for installation of
rebar into slab.
Wood Floor*
*Wood oor installations are limited to TFS models only.
Anchorage of replace to wood oor construction is required.
Refer to Figure 21 for anchorage dimensions. Four anchors
are required to attach to the sub-ooring framing.
Crawl Space or Upper Floor*:
*Crawl space or Upper Floor installations are limited to TFS
models only. For installation of rebox over combustible
crawl spaces or upper oors, anchorage of the rebox is
required. Illustrations of examples of possible anchorage
methods are shown in Figures 18 thru 20 depending upon
the type of oor framing. Final method of anchorage is to be
determined by licensed design professional.
For conventional framing, where the oor joists are parallel
with the sides of the rebox, the addition of oor joists to align
with the anchor brackets allows the brackets to be directly
connected to the oor joists.
Note that additional oor joists may be required to support
the weight of the rebox and chimney. Where the oor joists
run parallel to the front of the rebox, anchorage can be
accomplished in like manner as shown in Figure 18 using
blocking between the oor joist.
For oors supported by I-Joists, the method of anchorage
is illustrated in Figures 19 and 20. Figure 23 illustrates the
general arrangement of anchorage to oor framing.
It is important to take into consideration that the load for
the Burntech® Fireplace must be considered as additional
dead load that will have to be supported by the oor framing.
Additional oor joists or I-joists may be required as determined
by the licensed design professional.
The dead weights for the replace are noted in Table I. It is
the task and responsibility of the general contractor/installer
to see that the proper reinforcement for weight loads are
made by a licensed design professional prior to the replace
installation.
As stated above, it is desirable to place additional framing
for alignment of anchor rods. Refer to Figure 21 for anchor rod
locations.
Attach the rebox side wall anchors to steel support frame
by inserting all-thread rods through holes on the bottom ange
on the steel support frame as shown in Figure 24 and 25.
Secure with two Ø 2” o.d. x Ø 9/16” i.d. x 0.10” Washers and
two 1/2”-13 UNC Nuts.
Figure 18
Floor Sheathing
not shown for
clarity
Metal Base
Assembly
EXAMPLE ONLY
2X FLOOR JOIST
2X FLOOR JOIST
A35 Brackets
(16 required)
I-JOISTS
Anchor
Brackets
Figure 20
I-Joist
Anchoring
Bottom
View
Example Only
I-Jo
is
t
Simpson
Strong-Tie
A-35 or
equivalent
Figure 19
I-Joist Anchoring
Top View
Example Only