
20
What You Will Need
You will find that the Burntech® Fireplace is designed to
be completely assembled on-site, consisting of interlocking
precast parts. You will need a thin-set type mortar for bonding.
The parts of the fireplace are made of Burntech®’s incredibly
strong blend of specialty cement and a light weight aggregate.
IMPORTANT! When applying mortar, it is imperative that the
concrete blocks be maintained moist (not soaking) so they don’t
absorb the water out of the mortar and cause adhesion to fail.
Frequently run a damp sponge to the parts before mortar is
applied!
On TFS models, installation of an anchor plate and damper
are required but not supplied. On OFS Models, anchor plates
and Class A UL 103 listed chimney is required for installation
within a framed structure.
You may purchase chimney from Burntech® Fireplace
Solutions. Also, a combustion air inlet BFP4-AK can be obtained
from Burntech® Fireplace Solutions but are not required on
most outdoor fireplace installations.
Note:
Dampers and outside air kits are not required on
most outdoor installations. Consult with your local building
department.
Refractory Firebrick Liners also need to be installed. These
should be a minimum of 1-1/8” (one and one-eight inches)
thick. The liner will be applied within the walls and hearth area
of the firebox. These are available from Burntech® Fireplace
Solutions.
Standard masonry firebrick may also be used instead
of Burntech® Refractory Brick Liners. See page 28.
Tools needed for installations:
One 4’ level
Roto-hammer with ½” drill bit
(needed for concrete slab
install only)
Drill motor with mixer blade (to mix Burntech® Mortar)
Two empty 5 gallon buckets (to mix Burntech® Mortar)
One wheelbarrow
and shovel to mix concrete.
Grout bag
Triangular masonry trowel
Rubber hammer
Sponge and water bucket to wipe down and moisten parts
prior to applying mortar.
Materials needed for concrete slab
(non combustible) installation
TFS/OFS 33:
Six (6) pieces 3/8” rebar x 28” long (included with unit)
Six (6) pieces of rebar x 12” long (included with unit)
TFS/OFS 39:
Six (6) pieces 3/8” rebar x 36” long (included with unit)
Six (6) pieces of rebar x 12” long (included with unit)
TFS/OFS 44/49:
Eight (8) pieces 3/8” rebar x 36” long (included with unit)
Eight (8) pieces of rebar x 12” long (included with unit)
TFS/OFS 63:
Ten (10) pieces 3/8” rebar x 36” long (included with unit).
Ten (10) pieces of rebar x 12” long (included with unit)
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ALL UNITS:
Epoxy for securing rebar in footing / foundation.
Three (3) - 90 lb. bags of Ready-Mix Concrete with 1/4” or
smaller aggregate.
Burntech® Mortar (one 50 lb. bag for TFS-33/39/44/49 or
two 50 lb. bags for TFS-63).
Materials needed for combustible wood floor
installation (TFS models only):
TFS33:
Six (6) pieces 3/8” rebar x 28” long (included with unit)
Six (6) ea. All-thread x 12” long (with nuts and washers)
Metal base - 6 inch.
TFS39:
Six (6) pieces 3/8” rebar x 36” long (included with unit)
Six (6) ea. All-thread x 12” long (with nuts and washers)
Metal base - 6 inch.
TFS44/49:
Eight (8) pieces 3/8” rebar x 36” long (included with unit)
Eight (8) ea. All-thread x 12” long (with nuts and washers)
Metal base - 6 inch.
TFS-63:
Ten (10) pieces 3/8” rebar x 36” long (included with unit).
Ten (10) ea. All-thread x 12” long (with nuts and washers)
Metal base - 8 inch.
ALL UNITS:
1” ceramic fiber blanket the size of the hearth base to go under
the metal base.
½” cement boards (cut to size).
Four or more fasteners to attach metal base to floor joists
Burntech® Mortar (one 50 lb. bag for TFS-33/39/44/49 or two
50 lb. bags for TFS-63)
Three (3) - 90 lb. bags of ready mix concrete with 1/4” or
smaller aggregate.
Field Assembly Procedures
Mixing the Burntech® mortar – The mortar comes premixed
and should be dry. Be sure to use clean water and work it
up into a mixture that is pasty but not lumpy. If it’s too thin
and the surfaces don’t stay moist, the components will not
adhere. Load the mixture into a standard grout bag.
Apply 1/2” (one-half inch) bead of mortar. The mortar bead
should be approximately ½” (one-half inch) away from all
edges. The mortar has a considerable amount of holding
power so do not overload the components with too much
mortar. Keep the components moist at all times!
Some mortar will “ooze out” when placing components
together, this is normal. Wipe excess away with a trowel. Do
not cover component surfaces completely with mortar. Do
not apply the mortar in thick bands even if the component
you are working with is larger than the rest. You will want to
apply “stripes” of mortar in these situations.
Make sure components are level. It’s extremely important
that you pay careful attention to how you are assembling
the Burntech® Fireplace since every component builds on
the next. If you have to make any kind of an adjustment,
do not try to do it “by loading an opening” with mortar, this
will only result in a fireplace that will not be plumb or level.
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Содержание OFS-33
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