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Cut 3/4” (19 mm) wood oor base out tting the space of wedi Fundo
Ligno. Safely install 2 × 6” (50.8 × 152.4 mm) blocking along oor joists
and in between oor joists where the perimeter of the Ligno base will
be located, install 2 × 6” (50.8 × 152.4 mm) blocking 3/4“ (19 mm)
below the top of the oor joists. You may also use wedi‘s Fundo Ligno
Recess Installation Kit, which utilizes metal brackets designed to help
you recess the wood oor without framing work and can replace the
need of 2 × 6” (50.8 × 152.4 mm) sistering of joists and they may be
fastened to the structure to suspend the wood oor suboor. Adjust
for thinset thickness under wedi Fundo Ligno base and / or the ooring
underlayment installation adjacent to shower area to create a ush
transition for waterproong and tile between oor and shower area.
Re-install 3/4” (19 mm) wood oor over blocking or prole system to
have the wood oor ush with the oor joists and ll with furring strips
on top of oor joists in case the blocking / joist that carry the wood oor
under wedi Base is installed higher than 3/4” (19 mm) deep from top
of oor joists. Make sure the entire perimeter of the wedi Fundo Ligno
base is supported by oor joists or adequate blocking. Make sure the
wood oor base shows no seams where close to the cut out for the
wedi Fundo Ligno drain. The cutout around the center of the 2” (50.8
mm) oor pipe must be 6 1/2” (165.1 mm) (max 7” [177.8 mm]) in dia-
meter to allow drain recess and must not create any suboor deection.
The pipe is cut square and even at 5/8” (15.9 mm) below the recessed
suboor top surface.
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Assemble the drain unit follow-
ing the instruction drawing.
Set up a continuous 1/4” (6.4
mm) bead of wedi Joint Sealant
along the top side of the wedi
Fundo's
valve groove prole.
Optionally you can apply the
bead on the underside of the
main drain body‘s ange. This
will help keeping sealant off the
threads of the main drain body
when it is inserted.
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Drop the drain body firmly into
the sealant.
Turn the Fundo base upside
down and apply the rubber and
the fiber gasket.
06
Tighten the gaskets rmly 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.
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.