Newton CDM 508 Cavity Drain Membrane 700g/m2 – 2.4m x 20m

Newton CDM 508 is a 8mm Cavity Drain Membrane for Basements. Newton CDM 508 is a high quality cavity drain waterproofing membrane, supplied in a number of sizes and in 500g/m2 and 700g/m2 variants for use within the Newton CDM System, an internally applied waterproofing system that also includes drainage and pumping systems. 

CDM 508 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 508 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. 

Key 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

Newton CDM 508 Membrane is available in the following variants: 

• CDM 508 700g/m² (Code M1-7-48): 2.4m x 20m – 48m² 
• CDM 508 700g/m² (Code M1-7-40): 2m x 20m – 40m² 
• CDM 508 500g/m² (Code M1-5-48): 2.4m x 20m – 48m² 
• CDM 508 500g/m² (Code M1-5-40): 2m x 20m – 40m² 

Typical Applications 

• Walls 
• Floors (700g/m2 variants only) 
• Vaults 
• Tunnels

SUITABLE SUBSTRATE – WALLS 

• Concrete 
• Brick 
• Concrete block 
• ICF – With special longer fixing plugs

SUITABLE SUBSTRATE – FLOOR 

• Concrete raft or slab 
• Newton Fibran XPS 500-C closed cell extruded polystyrene insulation

SUITABLE SUBSTRATE – SOFFITS 

• Concrete – To fall 
• Brick 
• Arched or vaulted