Measure the shower area and confirm the base size fits the space
Check that the floor is level and the waste outlet position matches the base
Turn off water supply if needed and remove the old shower base
Clean the subfloor and remove any debris, dust, or old adhesive
Repair any damaged flooring and make the surface solid and level
Dry-fit the shower base to confirm alignment with walls and waste outlet
Mark the position of the waste outlet and any fixing points
Install the waste trap and connect it to the drain pipe
Apply the recommended mortar bed, adhesive, or support system under the base
Lower the shower base into place and align it carefully
Press the base down evenly to ensure full support
Check that the base is level and properly seated
Secure the base according to the manufacturer’s instructions
Seal around the edges with waterproof sealant where required
Connect plumbing fittings and test the waste for leaks
Allow adhesive or sealant to cure before using the shower
Fit wall panels, screens, or enclosure components as needed