Tyvek® Trifecta™ A2 Fire-Rated Breather Membrane
Fire risk averse A2 Euroclass non-combustible W1 grade weatherproofing breather membrane with low vapour resistance
DuPont™ Tyvek® Trifecta™ is a robust, non-combustible breather membrane suited for high-rise and higher-risk commercial and residential buildings with 3-in-1 underlaying properties of A2 (s1,d0), W1 and 0.416 MNsg / SD 0.08m.
We are thrilled to announce that Tyvek® Trifecta™ has won the 2025 Edison Gold Award in the High-Performance Engineering Materials category. The Edison Awards are a global competition honouring excellence in new product and service development, marketing, human-centered design, and innovation. Read more
This recognition arrives as an additional achievement after the 2024 R&D 100 GOLD award in the Technical / Materials category. The R&D 100 awards are a benchmark of achievement in science and technology, often referred to informally as “the Oscars of Innovation”. Read more
Receiving these awards reflects the commitment of DuPont to develop and deliver solutions that improve safety in the construction industry.
DuPont™ Tyvek® Trifecta™
Tyvek® Trifecta™ is a non-combustible and robust breather membrane suited for high-rise and high-risk commercial and residential buildings with 3-in-1 underlaying properties of A2 (s1,d0), W1 and 0.416 MNsg / SD 0.08m.
Tyvek® Trifecta™ doesn’t produce droplets or emit smoke when subjected to flame, making it a great choice for fire risk averse build-up designs. It is engineered for fast and easy installation with non-combustible A2 tape.
Airtight and watertight yet vapour-open, the Tyvek® Trifecta™ breather membrane also contributes to energy conservation and climate control, improving the comfort of occupants and contributing to higher internal air quality.
Tyvek® Trifecta™ is the unique long-term protection solution every builder can trust.
At DuPont, we proudly collaborate with esteemed organizations like RIBA - Royal Institute of British Architects and CABE - Chartered Association of Building Engineers to provide high-quality CPD seminars that enhance knowledge and skills for construction professionals.
Book your CPD session today to empower your professional growth and stay ahead in the industry!
A Comprehensive A2-s1,d0 Fire Performance System
DuPont offers a complete A2 fire performance system, for non-combustible weatherproofing and condensation risk management, for all building types including high-rise and higher-risks, single story, dwellings, commercial projects, hotels, hospitals and schools. Backed by 25-year DuPont Warranty: improved fire safety throughout the building’s lifespan!
DuPont™ Tyvek® Trifecta™
- Non-combustible breather membrane
- Suited for high-rise, higher-risk commercial and residential buildings
- 3-in-1 critical functionality of Fire Protection = A2 (s1,d0), Water Protection = W1 Water Resistance, Vapour Permeability = 0.416 MNsg / SD 0.08m
DuPont™ AirGuard® A2 FR Airtight Vapour Control Layer
- Non-combustible membrane
- Used within internal lining of roof, ceiling and wall systems
- Improves airtightness, energy efficiency, and moisture management
- Enhances indoor air quality and provides fire safety to the building and occupants
DuPont™ AirGuard® FR System Tape
- Fire retardant, single-sided tape
- A2 Fire Class to EN 13501-1
- Specially formulated for use with DuPont™ AirGuard® A2 FR AVCL and DuPont™ Tyvek® Trifecta™
- Successfully tested for sealing all horizontal/vertical laps and around penetrations at the Prüfinstitut Hoch testing centre
Related Products
DuPont™ AirGuard® FR System Tape is a fire retardant, single-sided tape, with A2 Fire Class to EN 13501. Specially formulated for use with DuPont™ AirGuard® A2 FR AVCL for sealing all horizontal and vertical laps and around penetrations.
DuPont™ Tyvek® Double-sided Tape is ideal for sealing overlaps and bonding Tyvek® membranes together.
DuPont™ AirGuard® A2 FR AVCL enhances the building fabric in terms of airtightness, energy efficiency and moisture management, improving indoor air quality and providing exceptional fire safety to the building and its occupants.
Features & benefits
| Feature | Benefit |
|---|---|
| Performs to Euroclass A2 (s1, d0) standards |
|
| Highest level W1 class water-holdout |
|
| Superior breathability to 0.416 MNsg / SD 0.08m |
|
| All-in-one weatherproofing solution |
|
| Lighter weight product |
|
| Wider dimension of the roll reaching 1500 mm |
|
| 12 months of free exposure and UV resistance |
|
| Best-in-class 25-year warranty |
|
Physical properties
| Method | Unit | Value | |
|---|---|---|---|
| Reaction to fire | class | A2-s1,d0 (with Tyvek® 1310 FR Tape)* | |
| Water tightness | EN 1928 (A) | class | W1 |
| Water vapour transmission (Sd) | m | 0.08 | |
| Vapour Resistance | - | MN.s/g | 0.416 |
| UV Exposure | - | months | 12 |
| Mass per unit area | EN 1849-2 | g/m2 | 400 |
| Maximum tensile force (MD) | EN 12311-1 | N/50mm | 4000 |
| Elongation at max. tensile force (MD) | EN 12311-1 | % | 5 |
| Maximum tensile force (XD) | EN 12311-1 | N/50mm | 3500 |
| Elongation at max. tensile force (XD) | EN 12311-1 | % | 5 |
| Resistance to tearing MD (nail shank) | EN 12310-1 | N | 800 |
| Resistance to tearing XD (nail shank) | EN 12310-1 | N | 800 |
| Thickness | EN 1849-2 | mm | 3 |
*Installed on mineral board with EN 13501-1 fire class A1 and A2-s1,d0. DuPont™ AirGuard® FR system tape (1310FR) is used for sealing the overlaps which is included in the certificate. For further details, please request the classification report from BKC (tyvek.construction@dupont.com).
Technical resources
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