[{"values":[{"value":"Português-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-Spanish","languageCode":"es-es","link":"javascript:void(0);"}],"label":"BR","default":"pt-br"},{"values":[{"value":"Português-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-Spanish","languageCode":"es-es","link":"javascript:void(0);"}],"label":"JP","default":"ja-jp"},{"values":[{"value":"Português-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-Spanish","languageCode":"es-es","link":"javascript:void(0);"}],"label":"CN","default":"zh-cn"},{"values":[{"value":"Português-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-Spanish","languageCode":"es-es","link":"javascript:void(0);"}],"label":"US","default":"en-us"},{"values":[{"value":"Português-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Español-Spanish","languageCode":"es-es","link":"javascript:void(0);"}],"label":"ES","default":"es-es"}]

DEFENDAIR™ 200C Air and Weather Barrier Coating

A 100% silicone liquid applied Air and Weather Barrier designed to protect against air infiltration and water penetration. The vapor permeable, one component, water-based coating cures to form a flexible membrane that is impervious to water but has the ability to “breathe,” allowing water vapor to escape from inside the substrate.

Uses:

Strong adhesion strength to common wall substrates, including:

  • DensGlass
  • Concrete masonry units (CMU)
  • Oriented Strand Board (OSB)
  • Plywood
  • Exterior Sheathing
  • Preformed Panels
  • Steel stud walls
  • Rainscreens

Benefits:

  • Airtight performance that exceeds industry standards
  • Passes NFPA 285 assembly testing
  • Improved shelf life
  • Aesthetically pleasing charcoal gray color
  • Reduced appearance of dirt pickup
  • Improved energy efficiency and durability
  • Can be applied at temperatures as low as 20°F (-6°C)
  • Long-term UV resistance and enhanced weatherproofing
  • Water-based, low-VOC formulation 
  • Vapor-permeable and breathable
  • One-coat spray application; may also be roller applied
  • Primerless adhesion to even the most challenging construction substrates
  • Complete offering of compatible accessory materials 

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Adhesion to Yes No Concrete, OBS/Sheathing, Preformed Panels, Plywood, Wood or Steel Stud Walls (typically unprimed)
  • Breathable Yes No true
  • Color Yes No Charcoal Gray
  • Elongation Yes No 650 %
  • Resistance Type Yes No Ozone Resistance, UV Resistance, Water Resistance
  • Sealing Performance Yes No true
  • Shelf Life Yes No 360 Days
  • Solventless Yes No true
  • Technology Yes No Solventless
  • Volatile Organic Content Yes No < 19 g/liter

How can you improve energy efficiency and protect your building from the environment?

With a proven weatherproofing solution: DEFENDAIR™ 200C Air and Weather Barrier Coating and the DOWSIL™ Silicone Air Barrier System.

DEFENDAIR™ 200C Air and Weather Barrier Coating is a one-part, 100% water-based silicone elastomer. It can be applied easily by roller, brush or spray. DEFENDAIR™ 200C Coating dries to form a flexible, vapor-permeable “breathable” membrane that enables water vapor to escape. 

The coating provides long-term protection from air and water infiltration, movement imposed by seasonal thermal contractionand expansion, ultraviolet radiation, and the elements. The coating maintains its water protection properties, even when exposed to sunlight, rain, snow or temperature extremes. Coated walls have no limit on exposure time, even if installation of the exterior cladding is delayed. 

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

No Food Contact Letters are available online for this material
Please Contact Dow for additional information.

No sales specification could be found for this material in selected language

DEFENDAIR™ 200C Air and Weather Barrier Coating
No Technical Data Sheets are available online for this material.
Please Contact Dow for additional information.

CHOOSE

DEFENDAIR™ 200C Air and Weather Barrier Coating


No Regulatory Data Sheets are available online for this product.


No Regulatory Data Sheets are available online for this product.
Please Contact Dow for additional information.

DEFENDAIR™ 200C Air and Weather Barrier Coating
Please Contact Dow for distribution options available for this product.