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F. Install Mortar
Note: We recommend mortar be applied after
facing materials are installed.
Tools Required:
Mortar bag
Trowel
Mixing bucket
Sponge or spray bottle
Drill with mixing attachment (optional)
Bucket of water
The mortar material provided should be suffi cient to com-
plete the installation of the molded brick panels without
considerable waste.
NOTICE: Do not substitute for HHT mortar. Other materials
may stain the molded brick panels.
Mortar should be applied
after finishing material is
installed. Mortar will be
applied between finishing
materials and molded
brick edges, bottom and
sides.
The seam between
finishing materials and
firebox top must be sealed
with non-combustible
sealant.
Figure 11.3 Facing Materials and Mortar
G. Install Screens
•
Remove one screen rod by removing
one screw (near the center of the top
front). Pull rod out of the hole. Keep
the screw.
•
Lay one screen panel fl at and slide the
round end of the rod through the rings
starting at the handle side of screen.
Leave the last ring off the rod.
•
Insert the rod through the hole in the
bracket. Slip the last ring over the rod
on the other side of the bracket.
•
Fasten the fl at end of the screen rod
back in place using the screw removed
earlier.
•
Repeat for the other screen panel.
40
Drill
3/32 drill bit (provided)
Phillips screwdriver
Joint striker
The surface of the finished hearth extension and
the surface of the hearth panel should be level.
Round end of Rod through rings,
then into Screen Rod Clip
Figure 11.4 Install Screens
Heat & Glo • RUTHERFORD-36 • 4059-341 Rev D • 03/09
•
Mix approximately 1/3 of the mortar material with 1/2
gallon of water in the mixing bucket. Stir the mixture with
the mixing attachment and drill. The consistency should
allow the material to be squeezed from the mortar bag but
not too runny.
•
Fill the mortar bag with the prepared mixture.
•
Apply mortar by squeezing the material from the mortar
bag into the joint lines. If fi lling a vertical line, start from
the top and work down. Apply slowly. Mixture should be
fl ush or higher than the panel surface.
•
Mix more material as necessary to fi nish the job and then
let the unit set until fi rm, may take two hours or more.
•
Thoroughly clean the bag, tools and mixing bucket.
•
Use a joint striker and strike the material in the joints. The
excess material should fall off somewhat dry.
•
Sweep the loose material off the fl oor of the unit.
•
Final cleanup with sponge and water.
•
VERY IMPORTANT: Allow the mortar 72 hours to cure
before operating the fi replace.
The no-ncombustible finishing
material across the top of
fireplace opening will be even
with lower edge of metal face.
Non-combustible finishing
materials MUST overlap
side faces by 1 1/4 in. (32 mm)
to cover the edges of the
panels. Finished opening
should be 36 x 38 in. (914 x
965 mm) to allow for door
installation.
Top of Fireplace
Rod Screen
Clip
Inside
Firebox
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