The diffusion-open layer can withstand driving rain and is suitable as a breathable membrane for external protection of roof structures for pitches from 10° and normal atmospheric exposure duration.

SIGA Adhesive On Board (SOB) - Sticks permanently and extremely well at high and low temperatures

Sturdy - tear and abrasion-resistant

Printed cutting and laying aid - time-saving

easy to cut - time-saving

Width: 1.5 mm
Length: 50 m
Coverage: 75m²
Weight: 12kg
Weight per unit area: 150g / m²
sd value: 0.05 m
Composition:  3-layered, functional layer reinforced on both sides with PP fibre-fleece

Applications:

Suitable for makeshift coverage/construction cover for up to 4 weeks, Suitable as rainproof roof underlay according to ÖNORM B 4119

Suitable as roof membrane class USB-A, Suitable as roof underlay for normal and increased requirements according to SIA 232

Certification:

Fire Behaviour: Class E (EN 13501-1)
Standards & Regulations: EN 13984, Type A