CDM 503 – 3mm Cavity Drain Membrane for Basements

Newton CDM 503 is a BBA-certified, high-quality, 3mm cavity drain waterproofing membrane. It is designed for use within the Newton CDM System for internally-applied waterproofing that includes drainage and pumping systems.

CDM 503 is suitable for waterproofing earth-retained walls and vaulted soffits and floors. It is guaranteed against deterioration for 30 years, with a life expectancy of the design life of the building (DIN 9001:2000).

• 3mm-deep cavity drain waterproofing membrane

• Used in applications where space is tight

• No extensive and damaging preparation to wall surface required

• Quick to install

• Capable of delivering an environment to all levels within a Grade 3 environment to BS 8102:2022

• BBA Agrément Certificate 22/6357

Applications

Walls, floors, vaults, and tunnels as part of the Newton CDM System for below-ground waterproofing applications.

Properties

CDM 503 membranes are inert and have a high compressive loading stability. They are highly resistant to water, alkalies, saline solutions and organic acids, as well as bacteria, fungi and other small organisms. They are unaffected by minerals.

Life expectancy

CDM 503 membranes are guaranteed against deterioration for 30 years and have a life expectancy of at least 50 years (DIN 9001:2000).

Technical data