Industry News

Dow Corning Unveils Silicone Weatherproofing Sealant for Construction and more

Published on 2014-06-26. Author : SpecialChem

To address what current air barriers were lacking and deliver more of what architects need to design more sustainable buildings, Dow Corning Corporation – a global leader in silicones and silicon-based technology and innovation with more than 40 years of experience in the construction industry - has introduced an air and water barrier system.

Evaluated by the Air Barrier Association of America (ABAA), the Dow Corning® Silicone Air Barrier System is a suite of compatible high-performance silicone technologies designed to work together to better protect the entire building envelope and to improve the energy efficiency of buildings. The system has passed NFPA 285 and is NFPA Class A/UBC Class 1 per ASTM E84. It can be used on both new construction and building renovation projects, and its low-VOC formulation makes it ideal for green construction.

"We created the Dow Corning Silicone Air Barrier System to address the shortcomings of other air barrier systems on the market today – systems that were unsatisfactory in terms of fire rating, durability or UV resistance; systems that required too many installation steps, were incompatible with other building envelope components or lacked technical support," said Dow Corning High Performance Building Marketing Manager Jim Stange.

The Dow Corning Silicone Air Barrier System includes:
  • Dow Corning® DefendAir 200 – The only water-based 100 percent silicone liquid-applied air and water barrier on the market, Dow Corning DefendAir 200 offers a one-coat spray or roller application – with primerless adhesion to most construction substrates – and dries to form a seamless, flexible membrane. It is vapor-permeable and breathable, exceeds industry requirements for airtight performance, has UV resistance, and can be applied at temperatures as low as 20°F (-6.7°C).
  • Dow Corning® Silicone Transition System – Featuring 100 percent silicone rubber strips and corners that are easy to install with silicone sealants (not mechanical fasteners), this system forms a continuous airtight transition at interfaces, including those that will experience large amounts of building movement.
  • Dow Corning® brand silicone sealants – Dow Corning silicone sealants are compatible for use with the components of the barrier system, including Dow Corning® 791 Silicone Weatherproofing Sealant, which may be used in through-wall flashing applications and to seal penetrations.

"Design professionals and contractors have been asking for an air and water protection solution based on proven silicone technologies from a single supplier, and we are offering it," Stange said. "The true value stems not only from the quality of a fully compatible silicone solution, but also from the fact that it is backed by a full system warranty from Dow Corning."

Silicones and Construction

Because of their durability and quality, silicones are a technology of choice in construction, possessing inherent properties that can contribute to a building’s overall performance and extend its life cycle. The Dow Corning Silicone Air Barrier System is among several recently introduced innovations for the construction industry; others include Dow Corning ® Architectural Insulation Modules, Dow Corning® Building Insulation Blanket and Dow Corning® 121 Structural Glazing Sealant.

About Dow Corning

Dow Corning provides performance-enhancing solutions to serve the diverse needs of more than 25,000 customers worldwide. A global leader in silicones, silicon-based technology and innovation, Dow Corning offers more than 7,000 products and services via the company’s Dow Corning® and XIAMETER® brands. Dow Corning is equally owned by The Dow Chemical Company and Corning, Incorporated. More than half of Dow Corning’s annual sales are outside the United States.

About High Performance Building Solutions

Dow Corning is collaborating with industry professionals around the world to develop solutions to improve the energy efficiency of buildings, reduce the eco-footprint of construction materials, and improve the health and safety of building occupants. Taking a holistic approach, Dow Corning brings together expertise from across the company to help customers find solutions to a wide range of high performance building challenges. Dow Corning High Performance Building Solutions include proven materials for structural and protective glazing, weatherproofing, insulating glass, window and door fabrication, and building materials protection, as well as innovations for high-efficiency insulation, LED lighting, thermal management systems, and the incorporation of photovoltaic cells and solar panels into building design.

Source: Dow Corning

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