Newtonite Lath Mesh Membrane – High-Performance Damp Proofing Solution
Newtonite Lath Mesh Membrane is a durable damp proofing solution made from high-density polyethylene (HDPE) with a heat-welded, rot-proof polythene mesh. The meshed surface provides an excellent mechanical key for plastering, rendering, or dot & dab plasterboard, ensuring long-term moisture protection.
Key Benefits
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Superior Damp Protection – Creates a complete barrier, preventing moisture and salt damage.
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Strong Adhesion – The meshed surface offers a secure key for plasters and renders.
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No Chemical DPC Required – Eliminates the need for injected damp-proof courses.
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Fast & Easy Installation – Lightweight, easy to cut, and simple to install.
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Minimal Surface Preparation – Can be applied over existing render.
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Long-Term Durability – 30-year guarantee with a 50-year life expectancy.
Typical Applications
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Damp-proof base for renders, plasters, or dot & dab plasterboard.
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Effective rising damp protection for internal walls in residential and commercial settings.
Product Variants & Codes
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1.0m x 10m Roll – Product Code: M16
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1.2m x 10m Roll – Product Code: M9
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1.0m x 20m Roll – Product Code: M21
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2.0m x 20m Roll – Product Code: M22
Technical Specifications
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Material: High-Density Polyethylene (HDPE)
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Colour: White/Translucent
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Thickness at 100 kPa: 2.64mm
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Water Vapour Resistance (Sd value): >604m
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Thermal Conductivity: 0.461 W/mK
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Fire Resistance: Euroclass E
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Chemical & Oxidation Resistance: Excellent
Newton Waterproofing Systems, founded in 1848, is the UK’s leading supplier of damp proofing membranes, known for quality and reliability in modern and heritage buildings.
Technical Data
| Installed Performance |
Result |
| Thickness at 100 kPa |
2.64mm |
| 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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