Larsen Waterproof Membrane is a highly durable, fleece-laminated waterproofing and vapour-retarding sheet designed for use beneath ceramic and natural stone tiles. It provides reliable protection against moisture ingress in wetroom and tiled installation systems, helping ensure long-term performance in both residential and commercial environments.

Waterproof Membrane Applications

Larsen Waterproof Membrane is suitable for use in wetrooms, showers, bathrooms, balconies and other tiled areas where effective waterproofing is essential. It is designed to create a secure barrier beneath tiled finishes, helping to prevent water damage to substrates such as concrete, cement screeds and plasterboard. The membrane is ideal for both refurbishment and new-build projects where a reliable waterproofing system is required.

• Highly Tear-Resistant
• Water-Vapour-Retarding Sheet
• Suitable for Sealing Under Ceramic Tiles
• Ideal for Wetrooms & Balconies
• 30 x 1m rolls

View our full waterproofing and tanking range here.