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that the top of the flange is on a level or
fractionally lower than the floor surrounding it.
There can be no step upwards into the
shower outlet.
Some tanking systems are not compatible for
use directly over conventional narrow wooden
floorboards. These can be replaced or covered
with a sheet material such as plywood.
Step 1 Supporting the Pre-formed Floor
A pre-formed shower floor can be installed
directly onto joists without additional support, or
to a concrete floor. It can be trimmed down if
necessary and is screw fixed to the joists.
WBP/Plywood can then be used to complete
the level shower room.
Step 2 Preparation
Ensure all surfaces in the construction area are
dry, solid, supportive and level, as well as
free from oil, grease, dust and other
separating layers.
Step 3 Applying the Primer
The floor area of the room should be primed
with a turn up of 100mm onto the wall.
The walls should also be primed floor to ceiling
in the showering area, and in the splash zone of
the shower, normally 100mm past the
showering area. Leave the primer to cure.
Step 4 Apply the Outlet Sleeve
Apply the outlet sleeve; this is usually
self-adhesive. Ensure it is flat with no raised
edges, creases or bubbles. The centre of the
outlet sleeve should then be removed and the
waste traps clamping ring fixed into position.
Step 5 Apply the Tanking Tape and
Pipe Sleeves
The tanking tape and pipe-sleeves are
bedded down using the tanking compound.
All wall-to-wall and wall-to-floor junctions as
well as butt joints and nail or screw heads
must be reinforced with the tanking tape.
The compound should be applied using a
Wetrooms Installation Guide
medium size paint brush.
Step 6 Pre Checks
Ensure the tape, pipe-sleeves and outlet sleeve
Wetrooms are the ultimate modern style statement.
have been fitted to the appropriate areas and
wait until the tanking compound is dry.
They are a sought after look and more and more consumers
Step 7 Apply the Tanking Compound
are looking to install them. David Osborne, Managing
The entire floor area of the room should be
Director of Roman, takes a look at how to install one utilising
tanked with a turn up of 100mm onto the walls.
The walls should also be tanked floor to ceiling
a pre-formed shower floor…
in the showering area and in the splash zone of
nstalling a wetroom is a simple process; even more straightforward. the shower, normally 100mm past the
you are building up a series of There are several ways of constructing a showering area. The recommended finishing
comprehensive barriers which reinforce wetroom, but each have some basic principles thickness is 1mm which can usually be
each other, the only additional tasks to that must be observed; achieved in 2 or 3 coats.
Itiling are preparing the room with a The floor should be screeded, constructed
primer, sealing all joints with sealing tape and from heavy duty wooden sheets such as Step 8 You can now start tiling the room
then applying the tanking membrane, which is plywood or created using a pre-made shower Once all these steps have been completed
simply rolled on to the floor and walls. It gives tray former. In all cases there must be a gradual you can then finish the room to your design.
your bathroom a failsafe protection against slope to fall towards an appropriate shower For the ultimate in indulgence, complete the
leaking, unlike a standard bathroom which has outlet, the structure must be solid without look with a 10mm thick wetroom panel
no protection. There are also now pre-formed flexing, and any joints in the construction and add a multi-function shower valve
trays available to sit under the floor, which you material must be firm and well fitting. with the option of a drencher head,
then tank over. These create a slope towards The body of the shower outlet must be multi-mode hand shower and body-jets.
the drain, making the installation process recessed or cast into the floor in such a way
122
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