Majcoat® W1 (Durable 3-layer Roof-underlay LR&HR) - Breather Membrane
Verified by manufacturer 1 month ago
Majcoat® 150 LR-membrane
Majcoat® 150 LR-membrane
Diffusion-open, layers for pitched roofs, designed to withstand driving rain.
Application
Suitable for permanent protection of the external roof structure and the space below.
Description
Diffusion-open, layers for pitched roofs, designed to withstand driving rain.
The range comprises:
- Majcoat® 150: Multi-layer, diffusion-open roofing layer can withstand driving rain for roof pitches from 10° and atmospheric exposure up to four weeks.
- Majcoat® 150 SOB: Multi-layer, diffusion-open roofing layer can withstand driving rain for roof pitches from 10° and atmospheric exposure up to four weeks. Includes integrated adhesive tape.
- Majcoat® 200 SOB: Multi-layer, diffusion-open roofing layer can withstand driving rain for roof pitches from 10° and atmospheric exposure up to 12 weeks. Includes integrated adhesive tape.
- Majcoat® 350: Bat Safe and Diffusion-open, thermally weldable layer can withstand driving rain and is suitable as a breathable membrane for external protection of roof structures for pitches from 5° and extreme conditions.
General information
Color | Blue Guidance for specification option: Dark blue with white printing. |
Finish | Matt |
Material | Polypropylene |
Shape | Other |
Length | 50000 mm 33400 mm |
Width | 1500 mm 3000 mm |
Height | 1 mm |
Warranty description | Ten year |
Uniclass | |
CAWS | M30/265 Building paper K21/111 Wood floating floor K20/20 Battened timber board floating floor K20/150 Battened timber board floating floor H92/120 Rainscreen cladding H67/5 Metal roof tiling H67/8 Metal vertical tiling H67/130 Metal vertical tiling H67/110 Metal roof tiling H65/125 Reconstituted slate roof tiling H65/115 Concrete roof tiling H65/135 Ceramic slate roof tiling H65/5 Roof tiling H65/105 Clay roof tiling H65/10 Reconstituted slate roof tiling H64/15 Vertical wood shingle/ shakes H64/130 Vertical wood shingle/ shakes H64/110 Wood shingle/ shake roofing H64/10 Wood shingle/ shake roofing H62/125 Roof slating H62/120 Vertical slating H62/145 Roof slating H62/140 Vertical slating H62/3 Roof slating H62/105 Roof slating H62/10 Vertical slating H61/120 Vertical slating H61/105 Roof slating H61/10 Vertical slating H60/145 Clay vertical tiling H60/120 Concrete roof tiling H60/3 Roof tiling H60/155 Concrete vertical tiling H60/105 Clay roof tiling H60/10 Vertical tiling H92/785 Breather membrane P10/320 Breather membrane P10/65 Breather membrane |
SKU Code | 7640105091294, 7640105091317, 7640105091300, 7640105093762, 7640105091515, 7640105091522 |
Specification data - Vapour-permeable sheets
Classification data | |
Standard | To BS EN 13859-1. |
Class (minimum) | W1. Manufacturer guidanceTo EN 1928. |
Performance criteria | |
Water vapour properties | 0.05 m (to EN 1931/ ISO 12572). |
Fire performance | Reaction to fire: To BS EN 13501-1, Class E. |
Tensile properties | Lengthwise: 315 N/50 mm; crosswise: 220 N/50 mm. Manufacturer guidanceMaximum to EN 12311-2. |
Material | Polypropylene. |
Form | Diffusion-open roofing layer. |
Weight (minimum) | 146 g/m². |
Thickness (minimum) | 1 mm. |
Roll length | 50 m. |
Elongation | Lengthwise: 60%; crosswise: 70%. Manufacturer guidanceAt maximum tensile strength to EN 12311-2: |
Tear resistance | Lengthwise: 180 N; crosswise: 220 N. Manufacturer guidanceNail shank to EN 12310-1: |
Width | 1.5 m. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Switzerland |
Country of product manufacture | Switzerland |
Material | Polypropylene |
Expected Life | Lifetime |
Literature
Snagging Propensity Test report
Similar products from SIGA Cover AG
Majvest® Airtight & Breathable Membrane for Walls (W1) - Breather membrane