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Majvest®  Airtight & Breathable Membrane for Walls (W1) - Breather membrane
Majvest®  Airtight & Breathable Membrane for Walls (W1) - Breather membrane
Majvest®  Airtight & Breathable Membrane for Walls (W1) - Breather membrane

Verified 11 days ago

SIGA Cover AG

Majvest® 200

Verified 11 days ago

SIGA Cover AG

Majvest® 700 SOB (B-s1,d0) UV resistant

Verified 11 days ago

SIGA Cover AG

Majvest® 500 SA airtight & self-adhesive

Summary
Diffusion-open, windproof and rainproof façade membranes.
Diffusion-open, windproof and rainproof façade membranes.
Diffusion-open, windproof and rainproof façade membranes.
Color
Blue, Black
Blue, Black
Blue, Black
Finish
Matt
Matt
Matt
Material
Polypropylene
Polypropylene
Polypropylene
Length
50000 mm, 33300 mm, 30480 mm
50000 mm, 33300 mm, 30480 mm
50000 mm, 33300 mm, 30480 mm
Width
1500 mm, 3000 mm, 457.2 mm, 1524 mm
1500 mm, 3000 mm, 457.2 mm, 1524 mm
1500 mm, 3000 mm, 457.2 mm, 1524 mm
Height
0.5 mm
0.5 mm
0.5 mm
Warranty description
Ten year
Ten year
Ten year

Specification

Standard
To BS EN 13859-1, BS EN 13859-2.
To BS EN 13859-1, BS EN 13859-2.
To BS EN 13859-1, BS EN 13859-2.
Performance criteria
-
-
-
Water vapour properties
To EN 1931/ ISO 12572, 0.05 m, 380 g/(m²*d).
To EN 1931/ ISO 12572, 0.01 m.
Not applicable.
Fire performance
To BS EN 13501-1, Class E.
B-s1, d0.
To BS EN 13501-1, Class E.
Tensile properties
To EN 12311-2: lengthwise: 270 N/50 mm; crosswise: 225 N/50 mm.
To EN 12311-2: lengthwise: 350 N/50mm; crosswise: 270 N/50mm.
Not applicable.
Class (minimum)
W1 (to EN 1928).
W1 (to EN 1928).
W1 (to EN 1928).
Material
Three layered; microporous functional layer, reinforced on both sides with polypropylene (PP).
Three layered; microporous functional layer, reinforced on both sides with polypropylene (PP).
Three layered; microporous functional layer, reinforced on both sides with polypropylene (PP).
Form
Non-woven.
Non-woven.
Non-woven.
Weight (minimum)
136 g/m².
270 g/m².
Approx. 360 g/m².
Thickness (minimum)
0.5 mm.
0.5 mm.
0.5 mm.

Additional properties

Temperature resistance
-40 to +80°C.
-40 to +80°C.
-40 to +80°C.
Elongation
To EN 12311-2: Lengthwise: 60%; crosswise: 80%.
To EN 12311-2: Lengthwise: 35%; crosswise: 40%.
Not applicable.
Tear resistance
To EN 12310-1: lengthwise: 180 N; crosswise: 200 N.
To EN 12310-1: 140 N.
Not applicable.
Resistance to air penetration
0.01 m³/m²h50Pa (to EN 12114).
Not applicable.
Fully airtight as tested by the Passivhaus Institute.
Colour
Blue.
Black.
Blue.
Dimensions
1.5 x 50 m., 3 x 50 m.
1.5 x 33.3 m.
1.524 x 30.48 m., 0.4572 x 30.48 m.

Sustainability data

Contains Red List materials
No
No
No
Country of material origin
Switzerland
Switzerland
Switzerland
Country of product manufacture
Switzerland
Switzerland
Switzerland
Material
Polypropylene
Polypropylene
Polypropylene
Recycled content
0 %
0 %
0 %
Expected Life
Lifetime
Lifetime
Lifetime