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Don & Low Proshield® - Self-adhesive Membrane
Verified by manufacturer 7 days ago
A self-adhesive, vapour-permeable, airtight membrane applied to walls and floors, offering Class B - s1, d0 fire classification on suitable substrates
Application
Suitable for use in modular and high-rise structures, including:
- Structural timber frame.
- Light gauge steel frame.
- CLT
- Concrete Frame
- Weatherboarding.
- Wall cladding.
- Floor cassette.
Description
Proshield® is an advanced, self-adhesive, vapour-permeable air barrier membrane engineered to deliver superior airtightness, effective moisture management, and easy installation for modern construction projects. It provides high-performance protection while enhancing energy efficiency in walls and floors.
Features and benefits:
- Class B - s1, d0 fire classification on suitable substrates
- Easy installation.
- High tensile strength.
- Available with a range of tapes.
- Breathable for walls, reducing condensation risk.
- Protects timber and light gauge steel frames, SIPs, and CLT panels from wind-driven rain, snow, and dust.
- KIWA BDA certified.
General information
Color | Blue Grey |
Finish | Smooth |
Material | Polypropylene |
Shape | Rectangle |
Length | 50000 mm |
Width | 1500 mm |
Height | 0.66 mm 0.68 mm |
Warranty description | Other |
Uniclass | |
CAWS | H21/20 Breather membrane H92/785 Breather membrane H22/20 Breather membrane P10/320 Breather membrane H21/130 Breather membrane H22/130 Breather membrane H30/350 Breather membrane H31/280 Breather membrane H31/55 Breather membrane H20/155 Sheet cladding (attached to timber battens) P10/65 Breather membrane |
SKU Code | FNC270 |
Specification data - Vapour-permeable sheets
Classification data | |
Standard | To BS EN 13859-2. |
Class (minimum) | W1. |
Third-party certification | KIWA BDA certified. |
Performance criteria | |
Water vapour properties | Water vapour resistance to EN ISO 12572, 0.098 m. |
Fire performance | To BS EN 13501-1, class B-s1, d0. Guidance for specification option: Adhered to a suitable substrate. |
Tensile properties | To BS EN 12311-1 before ageing, 400 N/50 mm (MD); 260 N/50 mm (CD). To BS EN 12311-1 after ageing, 340 N/ 50 mm (MD); 220 N/50 mm (CD). Guidance for specification option: Tolerance: Before and after ageing: +/- 80 N (MD), +/- 50 N (CD). |
Material | Polypropylene and polyethylene laminate. |
Form | Spun-bonded. |
Weight (minimum) | Without release liner: 220 g/m². With release liner: 270 g/m². |
Thickness (minimum) | Without release liner: 0.66 mm. With release liner: 0.68 mm. |
Colour | Bright blue (obverse) and grey (reverse). |
Dimensions | 1500 x 50 000 mm. |
Air permeability | To BS EN 12114, < 0.01 m³/m²h at 50 Pa. |
Elongation | To BS EN 12311-1 before ageing, 50% (MD); 70% (CD). To BS EN 12311-1 after ageing, 40% (MD); 60% (CD). Guidance for specification option: Tolerance: Before and after ageing: +/- 20% (MD), +/- 22% (CD). |
Tear resistance | To BS EN 12310-1, 190 N (MD); 190 N (CD). Guidance for specification option: Tolerances:
|
Dimensional stability | To BS EN 1107-2, 0.02% (MD); 0.40% (CD). |
Flexibility at low temperature | To BS EN 1109, no cracking at -40°C. |
Sustainability data
Country of product manufacture | United Kingdom |
Material | Polypropylene |
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