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Install a preformed shower base
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Whether you are replacing an existing shower or installing a new one, using a preformed, acrylic shower base is the fastest and easiest way to a new shower. Shower bases can now be purchased in many colors and styles. It can become the focal point for any bathroom renovation colour scheme.
The style of shower base that you install depends on many different considerations such as the location of the bathroom and how much clearance there is underneath.
Because they provide an almost instant solution to a problem, this is a perfect do-it-yourself project. This project details the installation of the base only allowing you to use a variety of wall covering such as ceramic wall tile or marble tile.
Before beginning the project:
1.1 Cover the drain pipe with a proper ABS cap or stuff with a clean rag.
1.2 Measure and level the floor to accept the fibrocement board to go over the subfloor.
1.3 Cut and install fibrocement board to fit and cut the opening for the drain with a 3 ¼" hole saw.
1.4 Glue the fibrocement board to the subfloor or adhere it with construction glue.
2.1 Insert the main drain body (5) through the hole in the shower base with the threaded side extending below the shower pan.
2.2 Apply plumber’s putty between the shower base and the top lip of the main drain body.
Make sure there are no gaps.
2.3 Insert the rubber gasket (6) over the threaded end underneath the shower base and push up until it is snug with the shower base. (Some manufacturers recommend putting a bead of silicone between the rubber gasket and the bottom of the shower base.)
2.4 Place the fibre gasket (7) over the rubber gasket and then screw the nut (8) on until it is snug. Tighten ¾" of a turn with a pipe wrench but do not over-tighten.
Some drains have fins on the bottom so that the nut can be turned by pushing a screwdriver head against one of the tabs.
2.5 Coat the end of the drain body (5) and the drain pipe itself with dishwashing liquid to allow for an easier fitting when the shower pan is put in place.
3.1 Dry fit the shower base to make sure the drain lines up with the hole.
3.2 Level following manufacturer’s instructions and place shims underneath where necessary.
3.3 Mark the studs to the position of the upper lip of leveled shower pan.
3.4 Remove the cap or rag from the drain pipe and cut the excess drain pipe with a reciprocating saw.
3. Re-cover the drain pipe with a plastic bag and fasten with a zip-tie to hold it tight.
4.1 Coat the area where the shower base is to be placed with 1" of pre-mixed mastic or sand-mixed concrete.
Make a border around the drain so that the plastic bag can be removed without getting any adhesive mixture in the drain.
4.2 Press the shower pan into place being careful to line up the drainpipe with the drain body protruding below the shower pan.
Make sure that the top of the pan lines up with the leveling marks on the studs.
4.3 Screw the base into the wall studs using the pre-drilled holes in the shower base lip.
Some manufacturers supply clips that are fastened to the studs.
4.4 Let the masonry compound set for 6 to 8 hours before continuing.
5.1 Coat the neoprene ring (4) with a silicone lubricant and insert it into the top of the drain (5).
5.2. Screw threaded ring (3) into the drain (5) and tighten using the bar tool (2) provided.
This will compress the neoprene ring into the drain for a water-tight fit.
5.3. Clean out the drain and check for any foreign matter and then snap on the drain cover (1).
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