SIGA Majcoat® 200 SOB Diffusion Open Roof Breather Membrane - 1.5m x 50m
Product Code:
75 m²
In stock
Estimated Delivery:
1 - 2 working days
Please get in touch for a more accurate lead time.
£317.65 317.65

SIGA Majcoat 200 SOB has a diffusion-open layer that can withstand driving rain and is suitable as a breathable membrane for external protection of roof structures for pitches from 10° and extended atmospheric exposure duration.

Comes pre-applied with integrated adhesive tape (SOB Siga On Board) to allow for easy installation.

Key points :

SIGA adhesive strength on board (SOB)
Sticks permanently and extremely well at high and low temperatures 

3 layers, functional layer protected by 2 fleeces 
Resistant to driving rain and durably moisture-diffusing 

Tear and abrasion resistant 

Bat Safe

Specification :

Width: 1.5 mm
Length: 50 m
Coverage: 75m²
Weight: 12kg
Weight per unit area: 198g / m²
sd value: 0.08 m
Tensile Force (MD): 390 N/50mm
Tensile Force (CD): 300 N/50mm
Tensile Elongation (MD): 70 %
Tensile Elongation (CD): 80 %
Resistance to Tearing (MD): 220 N
Resistance to Tearing (CD): 240 N
Resistance to water penetration: W1
Composition:  3-layered, functional layer reinforced on both sides with PP fibre-fleece


Roof membrane and Facade membrane Flexible sheets for waterproofing - Underlays for discontinuous roofing - EN 13859-1:2014 and for walls - EN 13859-2:2014


Fire Behaviour: Class E (EN 13501-1)

Datasheets & Documents.
If you require a Safety datasheet (SDS) for this product please get in touch.
If you require a BBA Certificate for this product please get in touch.