BBA Agrément Certificate
Flame retardant breather membrane.
A breather membrane with enhanced fire performance for wall elements of buildings. Based on patented technology, providing a Euroclass B (EN 13501-1) classification. Typically installed onto the external side of the insulation material or integrated in the wall system. It can be used as a solution for ventilated façades and timber frame construction. Particularly suitable for buildings of over 18 m in height.
Water resistant, breathable, strong, flame retardent
50 x 1.5 m
Tyvek Firecurb Housewrap
Tyvek® FlexWrap NF
Tyvek Acrylic Tape
Tyvek® Butyl Tape
Tyvek® Double Sided Tape
|Standard product features|
1.5 x 50 m roll.
5.5 kg per roll.
Flash-spun-bond HDPE with flame retardant coating.
Reaction to fire (EN 13501-1):
Water vapour transmission (Sd):
Mass per unit area:
Functional layer thickness:
- Tyvek Acrylic Tape:
Single-sided tape for sealing overlaps and making good around penetrations, pipes and windows. Recommended for all Tyvek membranes. Made of Tyvek and acrylic adhesive for durable and long lasting bonding. Roll size: 75 mm x 25 m.
- Tyvek® Double Sided Tape:
Double sided acrylic tape for sealing laps in Tyvek membrane and bonding to smooth surfaces. Excellent adhesion properties under extreme conditions. Strong initial tack. Roll size: 50 mm x 25 m.
- Tyvek® Butyl Tape:
Double sided butyl based sealant, used to seal fixing penetrations in a Tyvek membrane and form a moisture and airtight seal between a Tyvek membrane and most commonly used building materials. Tape is compatible with brickwork, blockwork, masonry, timber, metalwork and most plastic products. Roll sizes: 20 mm x 30 m, 50 mm x 30 m.
- Tyvek® FlexWrap NF:
A stretchable and flexible tape made up of three components: a crimped DuPont™ Tyvek® top sheet providing a water tight layer, the butyl mass as an adhesion layer and a paper release liner. It provides excellent watertight adhesion to all Tyvek® breather membranes around non-straight penetrations, such as dormers, door sills, chimney breasts, pipe penetrations and any custom shapes. Roll size: 2280 mm x 22.9 m.