Newtonite Lath Mesh Membrane - 3 mm Meshed Damp Proofing Membrane
Verified by manufacturer 3 months ago
Meshed damp proofing membrane.
Application
Can be used as a damp proof base for renders, plasters or dot and dab plasterboard and a damp proofing system to deal with rising damp.
Suitable for wall finishes including:
- Plaster.
- Render.
- Hydraulic lime.
- Plasterboard bonded to the membrane with a propriety adhesive compound.
Description
BBA certified damp proof membrane, comprising of high density polyethylene membrane with a rot-proof polythene mesh that is heat-welded during the manufacturing process to the surface of one side. The meshed surface creates a mechanical key to allow the membrane to be plastered, rendered or to receive dot & dab plasterboard.
Features and benefits:
- Provides a surface that is totally separated and unaffected by the dampness within the wall ensuring that the wall finish will never be affected by moisture or salts.
- Superb ‘key’ for renders or plasters.
- No need to use injected damp-proof courses which unnecessarily pump chemicals into the property.
- Completely moisture resistant but allows vapour diffusion.
- Quick and easy to install.
- In many cases, the existing render can be left on the wall.
- No requirement for damaging preparation to the wall surface.
General information
Color | White Clear |
Finish | Smooth Guidance for specification option: Meshed surface. 0.5 mm thick and has a pattern of raised 3 mm studs |
Material | High density polyethylene (HDPE) |
Shape | Other Guidance for specification option: Membrane form. |
Length | 10000 mm |
Width | 1000 mm |
Height | 3.60 mm |
Warranty description | 30 year |
Uniclass | |
CAWS | J40/290 High-density polyethylene/ polypropylene studded cavity drain membrane J40/47 High-density polyethylene/ polypropylene studded cavity drain membrane |
Product range |
Specification data - High-density polyethylene (PE-HD) studded sheets
Third-party certification | BBA certificate 94/3010. |
Filter layer | High density polyethylene (HDPE). |
Stud height | 2.9 mm. |
Sheet thickness | 3.6 mm. |
Weight (minimum) | 500 g/m². |
Colour | White. |
Integral plaster key | The meshed surface creates a mechanical key to allow the membrane to be plastered, rendered or to receive dot and dab plasterboard. |
Performance characteristics | |
Fire performance | To BS EN 13501-1: Euroclass E. |
Vicat softening temperature | 126°C. |
Packaged weight | 6.2 / 11.34 / 24.6 kg. |
Service temperature | -40 to +80°C. |
Thickness at 100kPa | 2.64 mm. |
Compressive strength – Temporary loading | >320 kPa. |
Compressive strength – Permanent loading | 100 kPa. |
ThermalConductivity | 0.461 W/mK. |
Water vapour diffusion resistance – Sd value | >604 m. |
Water vapour diffusion resistance – µ value | >1 208 000 μ. |
Water vapour diffusion resistance | >3020 MNs/g. |
Chemical resistance – Excellen | 100%. |
Oxidation resistance – Excellent | 100%. |
Fixing | Newton 800 Mesh Plug. |
Joint seal/ repairs | Newton Mesh Tape (A25). Guidance for specification option: Standard, for fixing to most surfaces. Newton 800 Cob Plug. Guidance for specification option: For plywood or timber only. |
Accessories | None. Newton 800 Mastic (A18). Guidance for specification option: Stops any ‘bridge’ happening between the damp or stained surface and the new surface when holes are drilled through. Use also for sealing around protrusions. Newton 800 Profile (A19). Guidance for specification option: 2 m lengths. Plaster stop. |
Studded layer | High density polyethylene (HDPE). |
Sustainability data
Country of product manufacture | Germany |
Material | High density polyethylene (HDPE) |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Literature
Newtonite Lath tds
Case studies
Damp Proofing, Brighton
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