Product Brochure

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Cut 3/4” Plywood base out fitting the space of wedi Fundo Ligno. Safely
install 2 x 6 blocking along floor joists and in betwen floor joists where
the perimeter of the Ligno base will be located, install 2 x 6 blocking
3/4“ below the top of the floor joists. Adjust for thinset thickness under
wedi Fundo Ligno base and / or the flooring underlayment installation
adjacent to shower area to create a flush transition for waterproofing
and tile between floor and shower area. Re-install 3/4” plywood over
blocking to have the plywood flush with the floor joists and fill with fur-
ring strips on top of floor joists in case the blocking / joist that carry the
plywood under wedi base is installed higher than 3/4” deep from top
of floor joists. Make sure the entire perimeter of the wedi Fundo Ligno
base is supported by floor joists or adequate blocking. Make sure the
plywood base shows no seams where close to the cut out for the wedi
Fundo Ligno drain. The cutout around the center of the 2” floor pipe
must be 6 1/2” (max 7”) in diameter to allow drain recess and must not
create any subfloor deflection. The pipe is cut square and even at 5/8”
below the recessed subfloor top surface.
02
Assemble the drain unit follow-
ing the instruction drawing.
Set up a continuous 1/4” bead
of wedi Joint Sealant along the
top side of the wedi Fundos’
valve groove profile.
wedi Fundo Ligno Installation*
Before Installation:
 Have extra 2 × 4 blocking installed over bottom plate between studs
along to support wedi building panel to shower base transition area.
 After recessing or when system is installed over regular subfloor, sub-
floor is stable, even and loadbearing, and meets deflection criteria of
maximum L/360 and requirements as per IRC. Wooden or concrete
structural substrates are dry and sufficiently loadbearing considering
live and dead load. Wood and Steel framing is sufficiently loadbearing,
plum and square.
 Floor drain assembly below floor is stabilized , fixed and supported in
position, and will not sink under water load.
 Only wedi products (Building Panels, Curb, Joint Sealant and Fasteners)
are used for wedi Fundo Shower System assembly.
 Installer has received instructions from wedi technical sales staff or is
informed about proper installation methods as described.
 wedi shower bases can be cut to size using a skilsaw. The Z notch
channel must be remade and cleaned from sawdust or other possible
contamination.
* Installations in Australia & New Zealand: Please refer to Installation manuals featuring the applicable job site requirements and wedi drains.