Newton CDM 503 is a BBA certified, high quality, 3mm cavity drain waterproofing membrane, for use within the Newton CDM System, our internally applied waterproofing system that also 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), and supported by BBA Agrément Certificate 22/6357.

CDM 503 is inert and non-polluting to drinking water, highly resistant to water, alkalines, saline solutions and organic acids, and not affected by minerals and hydrocarbons. It is also rot-proof and resistant to bacteria, fungi and small organisms.

Features and benefits:

Does not require extensive and damaging preparation to the wall surface
Speed of installation
Capable of delivering an environment to all levels within a Grade 3 environment to BS 8102:2022
3mm deep for applications where space is tight

Suitable substrates:

Walls
Floors
Vaults
Tunnels

Newton CDM 503 BBA Certificate 22/6357