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Turn the Fundo base upside
down and apply the rubber
and the fiber gasket.
Tighten the gaskets firmly
to the bases‘ steel ring using
the locking nut. Make sure
the drain body is still safely
received in the valve-bead of
sealant. Smooth out excess
sealant over the drain body‘s
ange surface.
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Skim coat the thinset ANSI 118.4 and comb through with a 1/4” × 1/4”
(6.4 × 6.4 mm) notched trowel. Channels pointing to the entrance.
Trowel the thinset on the rear side of the Fundo again using a 1/4” × 1/4”
(6.4 × 6.4 mm) notched trowel. There are different ways to ensure good
bond of the wedi Base to the suboor. Required is a setting bed thick-
ness of min. 3/16“ (4.8 mm) and max. of 5/16“ (7.9 mm) (compressed).
Applying thinset on both, wedi Base and suboor, is recommended to
achieve full surface coverage adhesion. Another best practice is to use
fast setting mortar to achieve faster bond and adhesion.
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Press the Fundo rmly into
the thinset bed, ensuring that
the installation is level and
void free. Apply some weight
equally and leave on surface
and drain area to allow the
thinset to initially cure without
being disturbed (e.g. thinset
bags).
Set up the rubber caulking
gasket (with the beveled side
up) around the 2” (50.8 mm)
pipe in the suboor. The rub-
ber gasket must be ush with
the upper end of the 2” (50.8
mm) ABS or PVC pipe.
Do not use any lubricants.
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Tighten (squeeze) the rubber
caulking gasket rmly with the
caulking nut (use a at headed
screwdriver) and nally insert
the plastic frame and strainer
on top (without adhesive). The
frame and strainer will be held
in a grout joint only once tiling
commences. Do not tighten the
gasket prior to 60 minutes after
the threaded drain part was
sealed into the shower base.
Set up a continuous 1/2” (12.7
mm) bead of wedi Joint Seal-
ant along the pans channel on
the outer perimeter and only
in areas where you can imme-
diately install a wedi Building
Panel into the fresh sealant.
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Push the wedi Building Panel all the way into the channel of the shower
base channel and its bead of sealant. Smooth out any pushed out seal-
ant on inside seam using a putty knife. Fasten the panels directly to the
studs starting 1 ft. (304.8 mm) above the base and in corners while
keeping the board pushed down into the channel, and set the fasteners
at a rate of 1 fastener per 1 ft. (304.8 mm). 1 extra fastener is set into
the seam to the next panel to create a ush transition. wedi requires
wedi Building Panels to be installed in all areas exposed to water and
in any case no lower than 6
” (152.4 mm) above all water inlet xtures.
Apply continuous 1/2” (12.7 mm) beads of sealant between all connec-
tions of panels and install with tightly butted seams. Excess sealant must
be spread at with a putty knife. All seams and fastener heads in the
assembly
are covered with a secondary 1/2” (12.7 mm) bead of sealant and
spread at.
The seams should be covered 1”(25.4 mm) on either side of
seam. All fastener / washers are covered with sealant stretching 1” (25.4
mm) over the washer edges.
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