Poseidon — NHBC-compliant bathroom & wet-room waterproofing membrane (EAD 030352-00-0503) - Liquid Applied Waterproof Coating

Product application:

• Purpose: Provide a seamless, fully waterproof and damp-proof barrier for structural protection and wet-area tanking, compliant with NHBC Standards for bathrooms and wetrooms.
• Substrates: Suitable for concrete, masonry, cement boards, plasterboard, timber, and other stable building surfaces.
• Typical areas of use:
  • Bathrooms, showers, wetrooms, and prefabricated pods (behind tiles).
  • Basements, retaining walls, and foundations for damp-proofing.
  • Floors and walls prior to applying final finishes.
  • Behind coping stones and other exposed masonry to prevent water ingress.

Preparation:

• Ensure surfaces are clean, dry, and free from dust, grease, and loose material.
• Fill gaps and cracks before application.
• Prime highly absorbent substrates with a compatible Intelligent Membranes primer if required.

Application method:

• Apply by brush, roller, or spray in even coats.
• Use a minimum of two coats for optimum waterproofing performance.
• Apply second coat at 90° to the first for full coverage.
• Maintain manufacturer’s recommended wet film thickness.

Conditions:

• Ambient and substrate temperature: Minimum +5°C during application and curing.
• Protect from rain and frost until fully cured.
• Allow to cure before tiling, rendering, or applying finishes.

Clean-up:

• Wash tools and equipment with water immediately after use.