Product Brochure

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wedi Fundo
®
Riolito
®
Modular - Line Module and wedi Fundo
®
Shower Kit - Riolito
®
Installation Manual
1. Cut the 2 inch waste pipe even and flush with the subfloor surface. Make sure that the cut out fits to the Fundo panel drain.
The distance measurements of the center of the pipe, when measured from all walls, should match the distance measurements
of the Fundo base‘s drain center to the outside edges of its perimeter (including the channel). Cut out a 5 in. diameter hole
around the 2 in. pipe‘s center to allow for the wedi drain to be inserted into the subfloor while the cut out area must remain
free of deflection. The drain waste pipe and P-trap have to be safely affixed to and supported by the subfloor structure.
2. Next, install the Fundo Click and Seal™ drain unit. Drain components are delivered inserted inside the Drain Body. Please take
the parts out and use step by step following our manual here.
3. Apply the wedi provided safe Lubricant to the black rubber ring inside the wedi Drain Body.
4. Insert the Drain Body snugly into the receiving mechanism of the Drain Unit on the underside of the Fundo base.Apply the wedi
provided safe Lubricant to the black rubber ring inside the wedi Drain Body.
5. Once inserted, turn the Drain Body clockwise until its plastic flap clicks in position in its final resting position. This will require no
more than a quarter turn. Ensure a tight connection by pushing and pulling on the Drain Body and verifying a flat seat relative
to the shower base surface. If you ever want to remove the Drain Body from a locked position, use a flat head screwdriver to
push the snap mechanism’s plastic flap inwards while unscrewing the Drain Body counter-clockwise (LEFT) at the same time.
In case it is difficult to hear the click mechanism, you can also verify a safe connection as described under point 6.
6. On the top side of the drain you can also verify the drain unit has successfully connected when the single hash marks are
centered between the double hash marks.
7. Dry fit the line module to ensure it can be installed to the floor waste pipe (now in the center of the module‘s Fundo Click and
Seal
drain.) and so it covers the floor area and squares up tightly with the wall framing.
8. Measure the size for the extension module so it can cover the remaining shower floor area and squares up tightly with the
wall framing and the line module. Make sure to account for the overlapping notch connection that connects line module with
extension module.
9. Cut the extension module to fit. It is recommended to turn the module on its back so you can move the circular saw over a flat
surface ensuring a square cut.
10. Once cut, you want to dry fit the extension module and then remake the 1/2 in. × 1/2 in. perimeter channel where the base
connects to wedi Building Panels, curbs, ramps or extension. The 1/2 in. x 1/2 in. is a measure taken from the flat bottom edge
of the module so the channel will be located 1/2 inch off the subfloor and going 1/2 inch in. This ensures that wall building
panels aor curbs can be connected with notch connections that are squared up with the notch of the extension module. When
viewed from above, the channel will feature a depth that increases with the slope building in one direction. Once all cutting is
finished clean the module and channels from saw dust using a vacuum cleaner.
11. Clean the subfloor with a moist sponge to remove dust and dirt, and apply a skimcoat of a suitable, modified tile adhesiive/
thinset ( ANSI 118.4 or better), and comb through with a 1/4 in. × 1/4 in. notched trowel. Notches should be applied uniformly
and point towards the shortest side of the base area.
12. Trowel the thinset on the rear side of the Fundo again using a 1/4 in. × 1/4 in. notched trowel. Flat trowel the thinset over the
entire product‘s cement surface, then comb through thinset bed creating channels pointing in same direction as applied on
subfloor.