Description
3mm Above Ground Damp-Proof Wall Membrane
BBA certified, high-quality damp proof membrane for use above ground as an alternative to Newtonite 803 Mesh Membrane or NewLath 805 Mesh Membrane where a meshed surface is not required as a surface for direct plastering or rendering – typically where the wall finish to the damp proof membrane is timber battens, a dry-lining frame or block wall.
Key Benefits
- Isolation of wall finish from the damp wall.
- Does not require extensive and damaging preparation to the wall surface.
- Speed of installation.
- Resistant to efflorescing salts and hydrocarbon contamination.
- Rot-proof.
- Shallow stud profile for where space is at a premium.
Typical Applications
As a damp-proof membrane to isolate the wall finish from the damp wall where a meshed surface for plaster or render is not required.
Newtonite 803 Membrane (Non-Meshed) is available in rolls of 2m x 20m = 40m2.
Newtonite 803 is typically used where the wall finish to the damp-proof membrane is timber battens, a dry-lining frame or block wall. Newtonite 803 is 0.5mm thick and has a pattern of raised 3mm studs. The studs face the wall and create air channels that allow for vapour equalisation to take place between the membrane and the wall.
Newtonite 803 is light, clean and easy to handle. It can be cut with a sharp knife, scissors or shears. The membrane is inert and is highly resistant to water, alkalies, saline solutions and organic acids, and it is not affected by minerals. It is also resistant to bacteria, fungi and other small organisms.
Newtonite 803 is guaranteed against deterioration for 30 years, and has a life expectancy of at least 50 years (DIN 9001:2000) and is supported by BBA Certification Number 94/3010.
Associated products
CDM 503 Associated Products:
- Newton 800 Mesh Plugs - membrane fixings to walls above ground
- Newton Multiplugs - membrane fixings to walls below ground
- Newton 800 Cob Plugs - membrane fixings to walls above ground - poorer quality substrates such as cob walls
- Newton Waterseal Rope - plug sealing
- Newton Waterseal Tape - membrane joint sealing
- Newton 800 Mastic - an alternative to sealing with rope and tape
- Newton Overtape - floor and wall joint sealing
Product Data
Code:M20
Packaging: 2.0m x 20m
Colour: White/Translucent
Application Rate: 40m²
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Technical Data
| Installed Performance | Result |
| Compressive strength – Temporary loading | >320 kPa |
| Compressive strength – Permanent loading | 100 kPa |
| Thermal conductivity | 0.461 W/mK |
| Water vapour diffusion resistance – Sd value | >604m |
| Resistance to fire | Euroclass E |
| Chemical resistance – Excellent | 100% |
| Oxidation resistance – Excellent | 100% |
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