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Mercury Roofers Choice Breathable Membrane
£45.00
In stock: 3 available
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Mercury Roofers Choice Breathable Membrane
Product Details
Roofers Choice is a multi layer laminate film composite made of polyolefin materials, resulting in a pitched roof underlay that has high vapour permeability but is also highly water resistant.
Roofers Choiceis suitable for both Commercial and Domestic buildings, it is the ideal roof underlay for Warm and Cold Pitched Roof.
Manufactured without the use of CFC’s Roofers Choice is 100% recyclable and is very durable with high tensile and nail tear strength properties. These, coupled with excellent UV and heat stability properties ensure a life-span in excess of 30 years.
Roofers Choice membrane has recieved BBA Approval and complies with BS5534: 2014 Code of Practice for slating and tiling for pitched roofs.
Recommendations for the use of vapour permeable membranes in pitched roofs are contained in BS 5250 : 2011 ‘Code of practice for control of condensation in buildings’.
Technical Data
| Property | Units | Value |
|---|---|---|
| Weight | g/m² | 122 |
| Water Vapour Resistance | Sd (M) | c.0.02 |
| MN/sg | 0.19 | |
| Water Vapour Transmission | g/m²/24hr | 1065 |
| Fire Rating | - | EN 13501-1: 2010 |
| Exposure Times UV Degradation | - | 3 months |
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