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13. Place the Fundo Riolito line module into the thinset bed and press firmly into resting position and ensuring full coverage of
thinset mortar between line module and subfloor leaving no voids. Ensure floor waste pipe is centered within Fundo Click and
Seal drain unit. Ensure line module is squared up tightly with wall framing and is coming to rest in a level posiotion. Apply some
tile boxes/weight to keep the thinset mortar compressed during initial drying.
14. Apply wedi provided safe Lubricant to the Rubber Sealing Gasket and insert the Rubber Sealing Gasket between the wedi Drain
Unit‘s interior and the outside of the 2 in. waste pipe in the floor. Push the Rubber Sealing Gasket down along the waste pipe
until it is stopped by the Drain Unit‘s lower interior flange.
15. Using a sharp utility knife cut the Compression Spacer into two halves along the pre-made cut lines/notches. This will allow
you to insert both halves through the the narrow drain opening. Apply wedi provided safe Lubricant to the rubber part of the
Compression Spacer halves.
16. Insert the first and then the second half of the Compression Spacer in between Drain unit and waste pipe. They will both
rest tightly on top of the Rubber Sealing gasket after they will push it into final resting position. The Compression Spacers
rubberized part will not always end up flush with the floor waste pipe’s edge, which is due to the tolerance we allow for the
position of the pipe (between flush with subfloor surface and up to 1/8 in. above subfloor surface). Note: The rubberized part
of the Compression Spacer is not part of the wedi drain’s waterproofing design – it is used solely to keep all dirt out of the
drain connections.
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17. Insert the Locking Nut with notched side up into the threaded part of the Drain Unit opening and screw down until Locking
Nut top is flush with top edge of Drain Unit‘s threaded part. Important: Turn Locking Nut to LEFT to insert and screw
into flush position.
18. Insert Strainer Key into Locking Nut at notch connections and with Strainer Key printed side up. The Strainer Key is used as a
tool to tighten the compression seal of the Drain Unit, but remains in place later to serve as a hair catcher to protect the drain
and make maintenance and cleaning easy.
19. Insert a flat headed screwdriver into Strainer Key slit and turn LEFT to tighten the compression seal. Achieve a hand-tight fit
and do not over-tighten.
20. Clean the subfloor with a moist sponge to remove dust and dirt, and apply a skimcoat of a suitable, modified tile adhesive/
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.
21. Trowel the thinset on the rear side of the extension module 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.
22. Clean the connection channel of the line module from any thinset or dust and apply a continuous 1/2 in. bead of wedi joint
sealant in the channel along its entire length. Apply another continuous bead of wedi joint sealant along the entire length of
vertical part of the extension module‘s notch (ship lap) connection where it will meet with the vertical foam side of the line
module.
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