Structural Waterproofing Solutions
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British Standard 8102:2022 defines Type C waterproofing as “drained protection” where water leaking through the structure is accepted into voids and air spaces, created by cavity drain membranes that are strategically placed to the inside of the structure, depressurising the incoming water and safely removing it from the property.
A combination of our decades of basement waterproofing experience with Newtons industry-leading products.Products Includes
- Membranes
- Fixing Tapes and Plugs
- Floor Drainage Systems
- Sump pumps and Pipework
CDM Products
- 3mm cavity drain membrane
- Shallow stud profile for when space is at premium
- Resistant to chemically aggressive groundwater
- BBA certified
- 3mm meshed cavity drain membrane
- Excellent key for lime mortars, renders, plasters, or dabbed plasterboard
- 3.5mm in overall thickness for when space is at a premium
- BBA certified
- 8mm cavity drain membrane
- The most commonly used membrane in the CDM System
- Third-party tested for long-term compressive load
- BBA certified
- 100% recycled, 8mm cavity drain membrane
- Diamond stud pattern provides higher compressive resistance with less loading to the substrate
- BBA certified
- 8mm cavity drain membrane and gas barrier
- Certified as a barrier to hydrocarbons, radon, methane and CO2
- Heavier and stronger than standard CDM 508 membrane
- BBA certified
- 8mm meshed cavity drain membrane
- Excellent key for lime mortars, renders, plasters, or dabbed plasterboard
- Does not require extensive or damaging preparation to the wall surface
- BBA certified
- 100% recycled 20mm cavity drain membrane
- High drainage capacity floor membrane
- Suitable when there is a risk of severe water penetration
- BBA certified
- Drainage conduits for the CDM System
- BaseDrain situated at the base of the wall membrane
- FloorDrain collects water above construction joints, replaces BaseDrain at door thresholds, and connects the drainage system to the sump chamber
- 50mm deep, closed-cell thermal insulation board
- Made from rigid extruded polystyrene foam
- Forms a spacer adjacent to the CDM BaseDrain and FloorDrain system
- Excellent thermal insulation characteristics
- Packaged sump system specifically designed for the CDM
- Compatible with Newton CP, NP and NP eco pumps
- Unique shape allows positioning anywhere in the floor area
- Adjustable neck to accommodate for different floor finishes
Ancillary Products
- Applied prior to installation of the CDM System
- Prevents the 'leaching' of free lime from the concrete
- Easy to use and handle
- Forms an 8mm gap between drainage channel and wall membrane
- Prevents finishes from being damaged by condensation
- Ensures condensation is collected by the BaseDrain
- Fixing plug for securing cavity drain membranes to the wall
- Provides single fixing point for 5mm screws
CDM Helical MultiPlug Tie
- Foxes into CDM MultiPlugs for tying in block or brick internal walls
- Can also be used for fixing insulation within the cavity drain
- A longer plug for fixing to vaulted ceilings and sloping soffits
- Sealed with a bead of CDM Rope
- Single-sided butyl tape for reinforcing membrane joints
- Used over joints for the Newton PAC-500 gas system
Newton CDM System - Overview
The Newton Cavity Drain Membrane (CDM) System is a maintainable basement waterproofing solution, certified to BES 6001 by BRE Global, ideal for new-build basements and refurbishment projects.
The four components of the Newton CDM system
Comprising of four components: Cavity Drain Membranes, Drainage, Pumps and Control Systems, the Newton CDM System complies with the British Standard for Waterproofing and provides a Grade 3 habitable internal environment.
Cavity Drain Membranes and Drainage
Cavity drain membrane (CDM) systems are a maintainable, internal basement waterproofing solution, suitable for protecting below-ground environments against water that has penetrated through the structure. CDM Systems are known as ‘Type C’ waterproofing in British Standard 8102:2022 and are ideal for new-build, refurbishment and historic/listed projects.
Known as the most failsafe form of waterproofing, the cavity drain membranes capture ingressing water at the point of ingress, then the CDM drainage system manages and directs the water to an integral pumping system or drainage outlet for safe removal.
The Newton PAC-500 System also provides a combined CDM waterproofing and gas proofing system for below ground spaces that are at risk from ground gases.
Pumps and Control Systems
Once the water has been captured by the cavity drain membranes and drainage channels, it needs to be safely removed. The Titan Range is a packaged sump chamber and pump system designed specifically to be used with the Newton CDM System. Compatible with a variety of Newton pumps, it is ideal for almost any cavity drain waterproofing system.
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