NBS Source
Majvest® W1 (Durable Wall Membrane)
Compare variants

Majvest® W1 (Durable Wall Membrane)

SIGA Cover AG Variant:

Diffusion-open, windproof and rainproof façade membranes.

Jump to:
+41(0)414996969 www.siga.swiss/

Application

Suitable for permanent protection of the external wall structure and maintaining the functionality of the thermal insulation.

Description

Diffusion-open, windproof and rainproof façade membranes.


The range comprises:

  • Majvest® 200: Multi-layer, diffusion-open façade membrane, proof against driving rain, for use behind sealed façade cladding.
  • Majvest® 500 SA (Fire Class B-s1,d0, when installed on Class A substrate) airtight and self-adhesive.
  • Majvest® 700 SOB: (B-s1,d0) UV resistant. Black, diffusion-open and driving rain-proof sheet perfectly suited for the protection of building envelopes with permanently open facades.

General information

Color

Blue

Black

Material

Polypropylene

WarrantyDescription

Ten year

Size

1.5 x 33.3 m

1.5 x 50 m

3 x 50 m

Uniclass 2015

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

CAWS

M30/265 Building paper

H92/120 Rainscreen cladding

H30/110 Fibre cement

H30/10 Fibre cement

H21/110 Vertical timber weatherboarding

H21/111 Horizontal timber weatherboarding

H21/116 Horizontal timber weatherboarding

H21/115 Vertical timber weatherboarding

H21/130 Breather membrane

H21/20 Breather membrane

H21/15 Horizontal timber weatherboarding

H21/10 Vertical timber weatherboarding

H20/155 Sheet cladding

H20/150 Sheet cladding

H20/10 Sheet cladding

H92/785 Breather membrane

P10/320 Breather membrane

P10/65 Breather membrane

Specification data - Vapour-permeable sheets Enhanced data

Standard

To BS EN 13859-1, BS EN 13859-2.

Class (minimum)

W1 (to EN 1928).

Material

Three layered; microporous functional layer, reinforced on both sides with polypropylene (PP).

Form

Non-woven.

Weight (minimum)

136 g/m².

Thickness (minimum)

0.5 mm.

Roll length

50 m.

Temperature resistance

-40 to +80°C.

TensileStrength

Maximum:

To EN 12311-2: lengthwise: 270 N/50 mm; crosswise: 225 N/50 mm.

Elongation

At maximum tensile strength:

To EN 12311-2: Lengthwise: 60%; crosswise: 80%.

Sd value

To EN 1931/ ISO 12572, 0.05 m, 380 g/(m²*d).

Tear resistance

Nail shank:

To EN 12310-1: lengthwise: 180 N; crosswise: 200 N.

Fire classification

To EN 13501-1, Class E.

Resistance to air penetration

0.01 m³/m²h50Pa (to EN 12114).

Width

1.5 m.

3 m.

Colour

Blue.

Dimensions

1.5 x 50 m.

3 x 50 m.

Similar products from SIGA Cover AG

Majcoat® W1 (Durable 3-layer Roof-underlay LR&HR)

Majcoat® W1 (Durable 3-layer Roof-underlay LR&HR)

Wetguard® 200 SA (Temporary Weather Protection for CLT and Timber)

Wetguard® 200 SA (Temporary Weather Protection for CLT and Timber)