
Installation – Shower Channel with CPE Liner Membrane
- When altering floor joists, consult Structural Engineer for advice and reinforce floor joists as needed.
- Frame out shower surround as required.
- Connect base of PVC CPE membrane body to pipe work, leave drain bolts in place. Block drain opening to prevent floor mortar from entering.
- Trowel mortar onto sub-floor, ensuring recommended 2% slope to drain.
- Install waterproofing membrane per manufacturer’s recommendations. Seal membrane to PVC CPE flange body underneath.
- Install top section of CPE flange outlet adapter.
- Test membrane for leaks.
- Position threaded/rubber push-fit coupling in PVC CPE membrane body at correct position/height.
- Solvent weld shower channel pipe to threaded coupling/push channel spigot into rubber coupling (using dish detergent to assist fit), at correct floor orientation.
- Cut plastic installation feet to height to rest on membrane and keep shower channel stable.
- Trowel mortar to required height, allow for thickness of tile and thinset mortar, grade to create minimum 2% slope towards drain.
- After floor mortar has cured, apply thinset and install tile and grout.
- Install grate into shower channel.
Wooden joisted

Concrete Slab
