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13. Apply wedi provided safe Lubricant to the rubber part of the Compression Spacer. With the rubberized part pointing up now

insert the Compression Spacer in between Drain Unit and waste pipe and on top of the Sealing Gasket. The Compression Spacer

will push the Rubber Sealing Gasket down into its resting position. The Compression Spacer’s rubberized part will not always

sit flush with the floor waste pipe’s edge, which is due to the thinset thickness tolerances under the shower base. 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.

14. 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 (turn Counter-Clockwise).

15. 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.

16. Insert a flat headed screwdriver into Strainer Key slit and turn LEFT to tighten the compression seal (turn Counter-Clockwise).

Achieve a hand-tight fit and do not over-tighten.

17. Loosely insert the Alignment Ring 1 into the Drain Unit opening with printed side up. Align the notch and arrow in Alignment

Ring 1 with the arrow printed on the Drain Unit. Alignment Ring 1 has a threaded inside which will later allow you to insert a

Drain Cover Extension, which will allow you to laterally and vertically move your drain cover for perfect alignment with the tile

finish. Alignment Ring 1 is also needed to support the drain cover unit when no Drain Cover Extension is used. Alignment Ring

1 has built in drainage slits to allow the thinset mortar around the drain area to drain water more quickly.

18. Insert the Snap Ring 2 into Drain Unit opening with printed side up. Align its arrow and protruding key fitting into the notch

and arrow of the Alignment Ring 1. The Snap Ring 2 needs to be secured in place with its perimeter notches snapping into

grooves which are premade in the Drain Unit. Snap Ring 2 is used to secure the movable Alignment Ring 1, and it is needed

to later support the Drain Cover unit. It is equipped with drainage slits to allow thinset mortar around the drain area to drain

water more quickly.

19. Dry fit the building panels to ensure the proper fit into the perimeter channel. Clean the perimeter channels from dust or any

other contaminants. Set up a continuous 1/2 in. bead of wedi Joint Sealant along the Primo‘s channel on the outer perimeter

and only in areas where you can immediately install a building panel into the fresh sealant.

20. Push the wedi building panel fully into the channel of the shower base, being sure the bead of sealant is fully compressed.

Smooth out any pushed out sealant on inside seam using a wedi Corner Putty Knife. Fasten the panels directly to the studs

starting 1 ft above the base and in corners while keeping the board pushed down into the channel, and set the wedi fasteners

with wedi washers at a rate of 1 fastener per 1 ft. On every framing stud, one fastener has to be installed through the seam

between two adjoining building panels to create a smooth transition. wedi requires wedi building panels to be installed in all

areas exposed to water and never lower than 6 inches above any shower fixture.

21. Apply continuous 1/2 in. beads of sealant between all connections of panels and install with tightly butted seams. Excess

sealant must be spread flat with a putty knife. All seams and fastener heads in the assembly are covered with a topical 1/2

inch bead of sealant and spread flat. The seams should be covered 1 in. on either side of a seam. All fastener / washers are

covered with sealant stretching 1 in. over the washer edges.