DUPONT TYVEK BREATHER MEMBRANES & AIRGUARD AVCL'S

DUPONT™ TYVEK® BUILDING KNOWLEDGE CENTRE
BRISTOL & BATH SCIENCE PARK
DIRAC CRESCENT, EMERSONS GREEN
BRISTOL
NORTH SOMERSET BS16 7FR

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Suppliers of: Breather membranes, roofing membranes, roofing underlays, cladding membranes, facade breather membranes, wall breather membranes, AVCL membranes, air & vapour control layers, air tight vapour barriers, vapour control layer for roofs, tyvek breather membr

DuPont™ Tyvek® and AirGuard® Building Envelope Systems

As an innovative supplier of proven building envelope systems, DuPont™ Tyvek® offers a full range of high-performance membranes and accessories to help prevent air and moisture infiltration and improve energy efficiency in all building types.

Used together, Tyvek® breather membranes and AirGuard® Air and Vapour Control Layers (AVCLs) create a durable, holistic building envelope solution. They are designed to meet current sustainable building requirements and are backed by DuPont, the experts for quality materials and sustainable building practices.

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Contact Tyvek: Please use the following link to contact us about your project: Click Here

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Tyvek® Breather Membrane Solutions

Breather membranes play a key role in protecting buildings and occupants from the elements. Investing in a quality solution like DuPont™ Tyvek® can help provide long-term building protection – and peace of mind too.

Tyvek® FireCurb® Breather Membrane

Take building protection to the next level with DuPont™ Tyvek® FireCurb® breather membrane (previously called FireCurb® Housewrap) – a fire retardant membrane with the benefits of a Tyvek® breather membrane.

Tyvek® Housewrap

DuPont™ Tyvek® Housewrap is a vapour-permeable breathable membrane for walls that provides moisture protection for timber, steel and concrete walls.

Tyvek® Metal

Tyvek® Metal roofing underlay allows condensation to drain away beneath standing seam metal sheet roofs and improves overall airtightness.

Tyvek® Reflex Membrane

DuPont™ Tyvek® Reflex is a heat reflective membrane that can help improve thermal efficiency in wall systems by reflecting 91% of radiant heat in summer, and reducing convective heat loss in winter.

Tyvek® StructureGuard™

Tyvek® StructureGuard™ is a durable, lightweight breather membrane for walls that is windtight, water-resistant and ideal for use with timber frame systems.

Tyvek® Supro

Tyvek® Supro is the market-leading breather membrane, and is a water resistant membrane suitable for all supported and unsupported pitched roof applications in commercial and residential buildings.

Tyvek® UV Facade

DuPont™ Tyvek® UV Facade provides optimum protection from UV, wind and moisture, and is a proven choice for use in open rainscreen cladding systems.

Tyvek® AirGuard®: Vapour Control Layer Solutions

Tyvek® AirGuard® air and vapour control layers (AVCLs) are 100% airtight. This helps to reduce convective heat loss and provide effective condensation control for all building types.

Tyvek® AirGuard® A2 FR AVCL

A fire retardant AVCL with European Fire Classification A2. Tyvek® AirGuard® A2 FR 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.

Tyvek® AirGuard® Reflective

Tyvek® AirGuard® Reflective is a low emissivity internal vapour barrier that combined with an airgap can enhance thermal comfort by reflecting up to 95% of radiant heat back into the building.

Tyvek® AirGuard® Smart Variable Sd

Tyvek® AirGuard® Smart is a strong and lightweight flexible AVCL that can adapt its performance to changes in humidity levels during and after construction to provide superior airtightness and effective condensation control.

Tyvek® AirGuard® Control

Tyvek® AirGuard® Control is a tough, transparent vapour control barrier that improves airtightness by reducing convective heat loss and air leakage while also minimising the risk of condensation in roof and wall insulation.

Tyvek® Sealing Tapes

Tyvek® sealing tape is specifically designed to complement Tyvek® breather membranes and AirGuard® AVCLs. It helps to seal the building envelope – for optimal airtightness, long-term performance and durability.

4 New adhesive accessories:

Tyvek® AirGuard® Tape

High performance airtight tape that is extremely flexible and hand-tearable. Its high tack sticks to smooth or rough surfaces such as PE films, spun-bond, wood or PVC. It is especially recommended where difficult shapes need to be sealed, such as corners, edges, etc.

Tyvek® Window Tape (also called Tyvek® Plastering Tape)

High performance airtight and moisture adaptive carrier tape that can be rendered. It seals difficult areas like windows, doors and timber to block connections. Suitable for internal and external application.

 Tyvek® AirGuard® Sealant

Cartridge sealant for bonding of AirGuard® vapour control layers to various solid construction surfaces to achieve an airtight seal. Also, suitable for joint filling and ideal for use in confined areas where an adhesive tape is difficult to apply, such as corners of windows and doors.

Tyvek® Primer

Transparent primer that is permanently tacky after curing and with very fast curing time. It is recommended for porous surfaces to create a good adhesion.

DuPont™ Range of Adhesive Tapes:

Tyvek® Acrylic Tape

Single-sided Tyvek® acrylic tape with or without a split-release liner. It seals Tyvek® membranes as well as AirGuard® membranes with proven performance.

Tyvek® Double-sided Tape

Double-sided acrylic tape for bonding Tyvek® membranes and to provide a temporary fixing of AirGuard® vapour control layers.

Tyvek® FlexWrap EZ & NF Tape

High performance flexible self-adhesive flashing tape to create an airtight and water tight seal around windows, doors, chimney breasts, pipe penetrations and any custom shapes.

Tyvek® Metallised Tape

Single-sided metallised Tyvek® tape to seal Tyvek® and AirGuard® metallised membranes.

Tyvek® Butyl Tape

Double-sided butyl based tape used to form a moisture and airtight seal between a Tyvek® membrane or an AirGuard® vapour control layer and most commonly used building materials.

Further Technical Information is available to download from the BPi Download Library.

AIRTIGHT ROOFING Air Barriers Pitched Roof
AIRTIGHT ROOFING AVCL Air and Vapour Control Layers Pitched Roof
AIRTIGHT ROOFING Membranes Pitched Roof
AIRTIGHT ROOFING Sealants .
AIRTIGHT ROOFING Systems Pitched Roof
AIRTIGHT ROOFING Tapes .
AIRTIGHT ROOFING Vapour Control .
EAVES Protection Systems Vented Eaves Protectors
FLASHING Tapes .
JOINT SEALING TAPES Airtight Junctions .
MEMBRANE Jointing Tapes
MEMBRANES AGREMENT CERTIFICATE HOLDERS .
MEMBRANES AVCL Air and Vapour Control Layers AGREMENT CERTIFICATE HOLDERS
MEMBRANES AVCL Air and Vapour Control Layers Airtight Applications
MEMBRANES AVCL Air and Vapour Control Layers EN 13984 CE Marked
MEMBRANES AVCL Air and Vapour Control Layers Fire Retardant BS EN 13501-1 Euroclass A2
MEMBRANES AVCL Air and Vapour Control Layers Heat Reflective Thermo-Reflective
MEMBRANES AVCL Air and Vapour Control Layers Variable Vapour Resistance / Humidity Regulating
MEMBRANES Breather Type .
MEMBRANES Breather Type AGREMENT CERTIFICATE HOLDERS
MEMBRANES Breather Type BRE CERTIFICATE HOLDERS
MEMBRANES Breather Type BS 4016 NHB Practice Note 5
MEMBRANES Breather Type BS 5534:2014
MEMBRANES Breather Type BS EN 13859-2 Class W1
MEMBRANES Breather Type CE Marked
MEMBRANES Breather Type Composite Construction
MEMBRANES Breather Type Flame Retardant BS EN 13501-1 Euroclass B
MEMBRANES Breather Type Heat Reflective
MEMBRANES Breather Type High Rise Builidngs National Fire Regulations and Standards
MEMBRANES Breather Type Insulating
MEMBRANES Breather Type Insulating Fire Retardant
MEMBRANES Breather Type Low-Emissivity
MEMBRANES Breather Type NSAI AGREMENT CERTIFICATE HOLDERS (Ireland)
MEMBRANES Breather Type Radiant Barrier
MEMBRANES Breather Type Timber Frame Construction
MEMBRANES Breather Type Timber Frame Construction AGREMENT CERTIFICATE HOLDERS
MEMBRANES Breather Type Timber Frame Construction CE Marked
MEMBRANES Breather Type UV Resistant CE Marked
MEMBRANES EN 13501-1 Class B
MEMBRANES Facade .
MEMBRANES HDPE .
MEMBRANES HDPE AGREMENT CERTIFICATE HOLDERS
MEMBRANES HDPE Polypropylene Composite
MEMBRANES HDPE Polypropylene Composite Metallised Surface
MEMBRANES Metal Cladding .
MEMBRANES Protection Layer .
MEMBRANES Rainscreen Cladding .
MEMBRANES Rainscreen Cladding AGREMENT CERTIFICATE HOLDERS
MEMBRANES Rainscreen Cladding CE Marked
MEMBRANES Timber Frame Construction .
MEMBRANES Vapour Barrier .
MEMBRANES Vapour Permeable .
MEMBRANES Vapour Proof .
MEMBRANES VCL Vapour Control Layer .
MEMBRANES Wall Steel Frame Construction
MEMBRANES Wall Timber Frame Construction
MEMBRANES Wall Vapour Permeable
MEMBRANES Waterproofing .
MEMBRANES Waterproofing CE Marked
MEMBRANES Windtight .
PRIMERS For Brickwork .
PRIMERS For Cement Render .
PRIMERS For Fibre Cement Board .
PRIMERS For Fibreboard .
PRIMERS For Masonry .
PRIMERS For Mortared Surfaces .
PRIMERS For Plaster .
PRIMERS For Render .
PRIMERS For Stone .
PRIMERS: TYPES Adhesion Promoting .
PRIMERS: TYPES Stabilising .
PRIMERS: TYPES Tack Coat .
ROOFING MEMBRANES .See Also ROOFING UNDERLAYS: PITCHED ROOF MEMBRANES
ROOFING MEMBRANES Breather See Also ROOFING UNDERLAYS: PITCHED ROOF MEMBRANES
ROOFING MEMBRANES Pitched Roof Underlay Undertiling Underslating See Also ROOFING UNDERLAYS PITCHED ROOF MEMBRANES:
ROOFING MEMBRANES Vapour Permeable .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES AGREMENT CERTIFICATE HOLDERS .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES AVCL Air and Vapour Control Layers .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES BS 5534 .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES BS EN 13859-1 CE Marked
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Cold Roofs .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Discontinuous Roofing .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Metal Clad Roofs .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Metal Clad Roofs Condensation Drainage
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Metallised Surface Heat Reflective
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES NSAI AGREMENT CERTIFICATE HOLDERS (Ireland) Formerly National Irish Agrément Board (NIAB)
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Polyethylene .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Scottish Sarking Board Systems .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Sealed Roof Systems .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Undertile .
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Undertiling Underslating AGREMENT CERTIFICATE HOLDERS
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Vapour Permeable Breather Type
ROOFING UNDERLAYS PITCHED ROOF MEMBRANES Warm Roofs .
SEALANTS By Special Function Airtight Applications
SEALANTS By Special Function Airtight Applications / AVCL Air and Vapour Control Layers
SEALANTS Mastic .
SEALANTS Mastic: by Special Function: Membrane Overlaps
SEALING TAPES Airtight Applications .
SEALING TAPES Membranes .
SEALING TAPES Membranes Breather Membranes
SEALING TAPES Roofing Underlays .
SEALS Airtight .
TAPES Acrylic .
TAPES Airtight Applications .
TAPES Airtight Applications AVCL Air and Vapour Control Layers
TAPES Airtight Applications Plasterable Tape / Rendering Tape
TAPES Butyl .
TAPES Double Sided .
TAPES Facade .
TAPES Membranes .
TAPES Metallised .
TAPES Moisture Adaptive and Airtight Carrier Tape Plasterable Tape / Rendering Tape
DUPONT AIRGUARD AVCL (Air and Vapour Control Layer)
DUPONT AIRGUARD CONTROL AVCL (Air and Vapour Control Layer)
DUPONT AIRGUARD REFLECTIVE AVCL (Air and Vapour Control Layer)
DUPONT AIRGUARD REFLECTIVE E AVCL (Air and Vapour Control Layer)
DUPONT AIRGUARD SEALANT Airtight Bonding Sealants
DUPONT AIRGUARD SMART AVCL (Air and Vapour Control Layer)
DUPONT AIRGUARD TAPE Airtight Vapour Control Layer AVCL Overlap Tapes
DUPONT AIRGUARD® A2 FR AVCL AVCL (Air and Vapour Control Layer)
DUPONT E-GUARD W1 Reflective Membranes
DUPONT FLEXWRAP Flashing Tapes
DUPONT FROTH-PAK Spray Polyurethane Foam Insulation
DUPONT GREAT STUFF Expanding Polyurethane Foam
DUPONT INSTA STIK Polyurethane Foam Adhesives
TYVEK Breather Membranes
TYVEK ACRYLIC TAPE Acrylic Tapes
TYVEK BUTYL TAPE Tapes
TYVEK DOUBLE SIDED Tapes
TYVEK FIRECURB Flame Retardant Breather Membranes
TYVEK FLEXWRAP EZ TAPE Tapes
TYVEK FLEXWRAP NF TAPE Tapes
TYVEK HOUSEWRAP Breather Membranes
TYVEK METAL Roofing Underlays
TYVEK METALLISED TAPE Tapes
TYVEK PLASTERING TAPE Carrier Tape for Plastering or Rendering Over
TYVEK REFLEX Breather Membranes
TYVEK STRUCTUREGUARD Breather Membranes
TYVEK SUPRO Breather Membranes
TYVEK SUPRO PLUS Breather Membranes
TYVEK UV FACADE Breather Membranes
TYVEK UV FACADE PLUS Breather Membranes
TYVEK UV FACADE TAPE Tapes

Dupont Tyvek Flame Retardant Breather Membrane Sets a New Standard of Safety

September 2021

With the new DuPont™ Tyvek® FireCurb® flame retardant breather membranes, our mission is greater safety. Not all construction materials behave in the same way in a fire. A flame retardant breather membrane can play a key role in improving the safety performance of a building, by increasing time for building occupants to escape and potentially saving lives.

As industry leaders committed to safety, DuPont developed Tyvek® FireCurb® – flame retardant breather membranes using new, patented technology, and meeting EuroClass B (EN13501-1) fire reaction classifications as set by the European Commission. Adding flame retardancy to watertight but vapour-open Tyvek® breathable membranes, its development signals a shift in Tyvek® breather membranes classification from the standard fire reaction class E up to Euroclass B.

Definition of EuroClass B

Euroclass B is part of the fire reaction class system, EN13501-1, created to classify reaction to fire of materials, construction products and building elements and should replace UK fire class system BS476 Points 6 & 7.

In February 2002, EN13501-1 (Classification of construction products and building elements on reaction to fire) became a European Standard. Now Member States should implement this new standard and, although the rate of adoption is at varying speeds, there is a clear need for a move toward integration and harmonisation across the European market.

In recent technical literature, national fire class systems are often confused with the European classification. Special attention should always be paid to the norm behind the classification. If in doubt, you can obtain the information from the manufacturer. It should also be noted that Euroclass F remains for “not tested”, while Euroclass E represents the lowest classification of tested products.

Ignitability and Single Burning Item Tests

Euroclass B describes the fire performance of construction products based on two different tests. To obtain Euroclass B classification, flame retardant breather membranes must comply with test standards in two categories: Ignitability Test (EN ISO 11925 2), and Single Burning Item (SBI).

Ignitability Test indicates membrane flammability under exposure to a small flame
Single Burning Item (SBI) determines the potential contribution of a product to a fire, simulating a single burning item in a room corner near to that product

Materials awarded EuroClass B classification have been proven to exhibit very low flammability, limited or no contribution to fire, low heat release and low smoke development. In comparison, materials with EuroClass E classification are only required to meet standards set by the Ignitability Test, allowing occupants enough time to leave a burning building.

What Is Currently on the Market?

Many construction products contain ingredients which are designed to make the product less easily flammable, and such flame retardants may be either added to the bulk of the material or applied as a coating on the surface before or after installation. These treatments can be very effective in preventing fires, or slowing the spread of a fire once established, allowing more time for building occupants to escape.

In the past, the majority of flame retardant products contained halogens such as chlorine and bromine. When the material began to burn, these halogens would be released as gases, affecting the combustion reaction, and so extinguish or diminish the fire. However, these flame retardants came with a distinct disadvantage. The chlorine and bromine gases could contribute to toxic fumes. As a result, manufacturers have long been looking for alternatives.

This is where the DuPont™ Tyvek® FireCurb® flame retardant breather membranes come in – with their hard-to-burn layer created by using a halogen-free flame retardant coating, developed specifically for its limited environmental impact.

DuPont™ Tyvek® FireCurb®

Using new patented technology, DuPont has developed Tyvek® FireCurb®, which retains the strength, durability and water resistance of Tyvek® membranes and adds a flame retardancy that can be used in all building types, from high-rises to roof constructions, rainscreen cladding to timber frame constructions.

Tyvek® FireCurb® offers a solution which meets increased requirements in building and construction, as set out by the European Commission’s construction products directive.

Why not order a sample today?

The development of Tyvek® FireCurb® means that in all types of building applications, new flame retardant breather membranes from DuPont take fire protection to the next level.

DuPont continues to introduce new membranes and developments to meet different building requirements so it’s not surprising that using Tyvek® FireCurb® has specific benefits for different building applications.

Ventilated Façades for High-Rise Buildings
Limitation of fire propagation between floors by external envelope.

Open Rainscreen Cladding
Increases safety from unintentional small fire sources (e.g., cigarettes).

Timber Frame Building Construction
Limitation of fire propagation during construction phase.

Roofing Constructions
Increased safety during and after construction phase.

Dupont Tyvek - Sustainability in the Building Industry.

June 2021

Forta Pro modular solutions with DuPont™ Tyvek® deliver energy efficiency and increase interior comfort.

April 2021 – “Kvarteret Jylland” is a new student accommodation consisting of 350 micro-apartments), located in Kista, Northern Stockholm, Sweden. The project mission was to build modern, sustainable and attractive premises for young people. The Kvarteret Jylland complex (7100 square metres, four buildings) was completed in a short amount of time by the Latvian-based company Forta Pro, that specializes in modular construction solutions based on energy efficiency and sustainability concepts. 178 modules were fabricated and installed. DuPont™ Tyvek® breathable membranes and accessories have been used by Forta Pro for the building envelope to protect the construction from water, air and moisture and to increase the comfort and well-being of the students.

Modular construction is a process that uses off-site, prefabricated building methods. It ensures better construction quality management and less disruption. Projects can be completed up to 50% quicker than traditional construction methods. The pre-engineered structures are manufactured and assembled off-site

in a factory-controlled environment. DuPont building materials provide holistic solutions that fulfill the requirements of this housing project, of modular construction techniques, and improve energy efficiency.

DuPont™ AirGuard® vapour control membranes were used with the internal insulation to deliver superior airtightness. These membranes are extremely resistant, lightweight, flexible and easy to install, they maintain their characteristics over time and help to optimize the building performance. A DuPont™ Tyvek® Tape was used to join the membranes and create a continuous barrier with no leakage.

On the exterior walls, a Tyvek® vapour-permeable and water-resistant membrane provides high performance protection from weather conditions. To create an optimum building envelope, DuPont™ Tyvek® Flex Wrap was used to seal the outer construction penetrations such as pipes and conduits.

Inside, a Tyvek® tape seals around the window frames. With their wide variety of products and world-class technical know-how, DuPont Performance Building Solutions help building and construction

professionals and companies to meet the new and demanding requirements in terms of airtightness and increased energy efficiency.

The Kvarteret Jylland project was challenging in many ways and it was essential to cooperate with our partners for a successful outcome. From the beginning, we rely on partners like DuPont who can assist us throughout the entire process with daily contact, training in our production facility and technical support. We have been using Tyvek® membranes and accessories for a few years and they help us in finding solutions to the challenges brought by our clients, both in terms of installation, airtightness and energy efficiency. DuPont always provides us with high-quality materials backed by a warranty, with continuous support and they understand our requirements, all within reasonable costs.” said Jānis Priede, Project manager, Forta Pro.

While working on the off-site manufacturing, Forta Pro proceeded with the work on the construction site, which led to major time savings. The pre-fabricated modules, assembled on-site, created four multi-storey buildings with high standard, comfortable accommodations. The synergy between the Forta Pro process and DuPont™ Tyvek® and AirGuard® products – all backed by a DuPont warranty – allowed them to build modern, sustainable and attractive premises for the students in Kista.

About Forta Pro (fortapro.com) – Based in Riga, Latvia, Forta Pro company uses a modular construction technique enabling the development of environmentally sustainable buildings, contributing also to saving energy and time during the construction process. The company produces – in its fast and cost-effective linear production line with a large production capacity – high standard modular units suitable for multiple-story facilities construction.

Forta PRO features advanced off-site building methods offering a fast-track modular and construction solutions with minimal disruption to the operation of surrounding facilities. The advanced prefabrication enables Forta PRO to speed-up the timetable for construction projects in a way that is not achievable by the on-site building technology. Strict quality control implemented in our modern factory and supported by Forta PRO multi-disciplinary professional team provides a guaranteed comprehensive quality solution. Forta PRO can plan, design, and build from scratch or expand existing facilities.

Forta Pro’s modular solutions deliver energy efficiency and use DuPont™ Tyvek® breathable membranes and accessories; photos courtesy of Forta Pro, all rights reserved.

About DuPont Performance Building Solutions – A division of the Water & Protection segment of DuPont, DuPont Performance Building Solutions is a global innovation leader in the building and construction industry, providing products and materials for the building envelope.

With today’s focus on the reduction of emissions and improved energy efficiency, you can count on brands such as Tyvek®, AirGuard®, Great Stuff™, Insta Stik™, Froth-Pak™ and LiquidArmour™ that have been at the heart of building solutions for decades backed by unmatched industry insight, building knowledge, and technical support. The products and services portfolio of DuPont Performance Building Solutions enables customers to focus on what they do best, no matter where and how they choose to build. To know more about DuPont Performance Building Solutions, www.building.dupont.com

In support of its aspiration to lead and partner in delivering solutions that transform how lasting affordable shelter is created for people around the world, DuPont Performance Building Solutions (PBS) has set a series of Sustainability Goals, aligned within the framework of DuPont’s 2030 Sustainability Goals. Specifically, DuPont Performance Building Solutions aspires to:

Direct 100 percent of the innovation portfolio to meaningfully advance the United Nations Sustainable Development Goals (UN SDGs) and create value for customers;
Reduce greenhouse gas (GHG) emissions from operations by 75 percent from 2019 levels;
Advance the circular economy in the building industry through innovation in materials and business models, collaboration, and end-of-life plans that eliminate and upcycle waste across the product life cycle;
Collaborate with customers and partners to bring green chemistry innovations to market and will drive continued reduction in the presence of priority substances in the product portfolio;
Work to build communities, strengthen families, and empower the next generation across the globe.

About DuPont – DuPont (NYSE: DD) is a global innovation leader with technology-based materials and solutions that help transform industries and everyday life. Our employees apply diverse science and expertise to help customers advance their best ideas and deliver essential innovations in key markets including electronics, transportation, construction, water, healthcare and worker safety. More information about the company, its businesses and solutions can be found at www.dupont.com.


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