how-to
Wet-Room Bases and Waterproofing: Questions for the Designer
The cover image is illustrative, not a documented Puur project.
The base beneath a wet-room finish is part of a coordinated construction. Underlayment, moisture control and tanking should not be treated as interchangeable names for one generic layer.
Define the whole assembly
Ask for the supporting structure, boards or screed, waterproofing, drainage connections and finish to be shown together. Product compatibility and responsibility for each interface should be clear.
Assess the existing base
The designer and installer should establish stability, movement, contamination and moisture condition. Use the test method and limits required by the specified products, with results recorded in the correct units.
Follow the chosen system details
Board selection, joint treatment, membrane overlaps and curing depend on the actual approved construction. Avoid copying a generic layer sequence or assuming a damp-proof membrane replaces wet-room tanking.
Confirm finish suitability
Puur PSR should not be used as a wet-room shower-floor finish. Other decorative systems need their own compatibility and wet-use evidence. Ask for maintenance and inspection advice rather than relying on a promised membrane lifespan.
Discuss your project with Puur
Send plans, photographs of the existing base, intended use and any heating details. We can discuss the finish, samples and the information needed before agreeing a specification.
Ask Puur about your floor · View Puur PSR specification information
Frequently Asked Questions
Define the whole assembly — what should I establish?
Ask for the supporting structure, boards or screed, waterproofing, drainage connections and finish to be shown together. Product compatibility and responsibility for each interface should be clear.
Assess the existing base — what should I establish?
The designer and installer should establish stability, movement, contamination and moisture condition. Use the test method and limits required by the specified products, with results recorded in the correct units.
Follow the chosen system details — what should I establish?
Board selection, joint treatment, membrane overlaps and curing depend on the actual approved construction. Avoid copying a generic layer sequence or assuming a damp-proof membrane replaces wet-room tanking.
Confirm finish suitability — what should I establish?
Puur PSR should not be used as a wet-room shower-floor finish. Other decorative systems need their own compatibility and wet-use evidence. Ask for maintenance and inspection advice rather than relying on a promised membrane lifespan.
