Tyvek® FireCurb®
Verified by manufacturer 7 months ago
BBA Agrément Certificate
Certificate type
Fire rated wall breather membrane. Formerly called Tyvek® FireCurb® Housewrap.
Application
- 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 over 18 m in height.
Description
A breather membrane with enhanced fire performance for wall elements of buildings. Based on patented technology, the product provides a reaction to fire Euroclass B (EN 13501-1) classification.
Features and benefits:
- Self-extinguishing when ignited.
- Limits propagation of flames.
- Waterproofing Class W1 in accordance with BS EN 13859-2 : 2014
- Halogen-free flame retardant coating considerably limits the formation of droplets and reduces smoke.
- Low VOC emissions (volatile organic compound).
- Long term investment protection.
- Helps minimise the risk of interstitial condensation in walls
- Greater safety during and after installation.
General information
Color | White |
Finish | Smooth |
Material | High density polyethylene (HDPE) |
Shape | Other |
Length | 50 mm |
Width | 1.5 mm |
Warranty description | 15 year |
Uniclass | |
CAWS | H20/10 Sheet cladding H20/155 Sheet cladding (attached to timber battens) H20/150 Sheet cladding (attached to metal support systems) H21/10 Vertical timber weatherboarding H21/15 Horizontal timber weatherboarding H21/20 Breather membrane H21/130 Breather membrane H21/115 Vertical timber weatherboarding H21/116 Horizontal timber weatherboarding H21/111 Horizontal timber weatherboarding H21/110 Vertical timber weatherboarding H30/10 Fibre cement H30/110 Fibre cement H92/120 Rainscreen cladding M30/265 Building paper P10/65 Breather membrane P10/320 Breather membrane |
Specification data - Vapour-permeable sheets
Standard | To BS EN 13859-2. |
Performance characteristics | Fire resistant. |
Class (minimum) | W1. |
Material | High Density Poly Ethylene (HDPE). |
Form | Flash-spun-bonded. |
Third-party certification | British Board of Agrément (BBA) Certificate. |
Weight (minimum) | 68 g/m². |
Thickness (minimum) | 0.175 mm. |
Accessories | Tyvek Acrylic Tape. Guidance for specification option: 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. Guidance for specification option: 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. Guidance for specification option: 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. Guidance for specification option: 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. |
Reaction to fire (EN 13501-1) | B-s1, d0. |
Temperature resistance | -40°C to +100°C. |
Water vapour transmission | 0.014 m. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Germany |
Country of product manufacture | Germany |
Material | High density polyethylene (HDPE) |
A1-A3 (production stage) | Embodied carbon as defined in BS EN 15804 |
Normalised unit | 0.4 kg CO₂ eq/kg |
Declared unit | 0.36 kg CO₂ eq/kg Self-declared Lower emissions |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 7 |
 IFC | - | 6 |
Product certifications
BBA Agrément Certificate
90/2548
Literature
Tyvek Technical Wall Manual 2022
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