Weather Barriers

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Understanding Vapor Permeability

Understanding Vapor Permeability

See how the optimal level of vapor permeability – a key Tyvek® difference – helps promote drying, and protects against water damage and mold in wall systems.

Air Leakage Testing

Air Leakage Testing

Air leakage testing shows Tyvek® commercial air barrier assemblies exceed a range of requirements, when tested in accordance with ASTM E2357.

Controlling Air Leakage

Controlling Air Leakage

Tyvek® presents myths and facts about airtightness, and the impact of air leakage on energy use, durability, comfort and indoor air quality.

Airtightness And Other Myths

Airtightness And Other Myths

Common misconceptions about building airtightness, R-value, and the value of a vapor barrier, with building science facts from the DuPontTM Building Knowledge Center.

Building Envelope CEU: Take our new video CEUs right from our site on NFPA 285 and Fluid Applied Air Barrier Membranes.

Building Envelope CEU: Take our new video CEUs right from our site on NFPA 285 and Fluid Applied Air Barrier Membranes.

Stay up-to-date and earn hours towards your continuing education requirements with Building Envelope systems CEU for construction professionals. Take our new video CEUs right from our site on NFPA 285 and Fluid Applied Air Barrier Membranes.

Choosing The Best House Wrap

Choosing The Best House Wrap

Compare the material science and performance of DuPont™ Tyvek® weather barriers with perforated wraps, to determine the best house wrap for vapor permeability and air and water holdout.

Commercial Specifications Resource Center

Commercial Specifications Resource Center

The following information is being provided as a resource for more information about the DuPont products listed in Product MasterSpec Section 072500 Weather Barriers and Section 072726 Fluid Applied.

NFPA 285 Compliance

NFPA 285 Compliance

DuPont™ Tyvek® weather barriers for commercial use are compliant with NFPA 285 standards for vertical fire performance in exterior wall assemblies.

LEED® Certified Building

LEED® Certified Building

DuPont™ Building Envelope system products can help contribute to a LEED® certified building by helping to seal the building envelope against both air and water infiltration.

Sustainable Buildings

Sustainable Buildings

DuPont Building Envelope systems are designed for use in sustainable buildings that last longer, while using less energy and fossil fuels.

Top Green Builder Media’s 2016 Readers' Choice Survey

Top Green Builder Media’s 2016 Readers' Choice Survey

DuPont Building Innovations products were named #1 in their categories in GreenBuilder magazine’s latest survey of green professionals.

Tyvek® Fluid Applied Product Availability Locator

Tyvek® Fluid Applied Product Availability Locator

A geographic overview of where to purchase Tyvek® Fluid Applied.

Building Envelope Testing

Building Envelope Testing

DuPont building science has led to the development of portable wall assembly testing stations specially designed for real-world building envelope testing in a variety of challenging climates.

Building Science Experts

Building Science Experts

Meet the DuPont building science experts responsible for developing innovative, energy efficient building envelope products and knowledge solutions.

Wall Sheathing Comparison

Wall Sheathing Comparison

Comparison shows Tyvek® weather barriers offer superior performance over ZIP System® Wall Sheathing in five key areas.

Protecting Foam Sheathing

Protecting Foam Sheathing

Tyvek® weather barriers are a must to protect wall systems that include exterior foam sheathing from air and water infiltration.

DuPont Building Science Collaborations

DuPont Building Science Collaborations

DuPont building science collaborations with industry organizations are central to developing more sustainable, innovative construction practices, standards, and codes.

Commercial Building Envelope Design

Commercial Building Envelope Design

Commercial building professionals trust Tyvek® air and water barriers to provide a simple, cost-effective way to improve energy efficiency and lower total operating costs over time, when used as part of a building envelope design solution.

Air Barrier Association Evaluation

Air Barrier Association Evaluation

The Air Barrier Association of America (ABAA) provides third-party evaluation of a range of air barrier systems for designers, contractors, and installers, including a range of DuPont™ Tyvek® systems.

Sustainable Building Products

Sustainable Building Products

Tyvek® weather barrier and other DuPont building envelope materials have received the NAHB Green Approved Product Seal for National Green Building Certification as sustainable building products

Building Envelope Solutions

Building Envelope Solutions

DuPont Building Envelope solutions apply building science to help residential contractors create more durable, energy-efficient homes.

DuPont at the 2016 International Builders' Show

DuPont at the 2016 International Builders' Show

A breakdown of what you can expect from DuPont™ Tyvek® Building Envelope at the 2016 IBS Show.

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