Fluid Applied Air Barrier

Sustainable and Energy Efficient Buildings with Fluid Applied Air/Vapor Barriers


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Air and Vapor Barriers



Air and vapor barriers provide additional layer of protection for buildings. High winds, rain, ice, snow, and other elements hit a building throughout the year. Roofing shingles and siding are applied to protect the surfaces. However, the shingles and siding alone cannot completely protect a building. Manufacturers do require air vapor barriers for the warranties to be effective. The air and vapor barriers are additional material applied on the substrate to protect from high winds and moisture.

House Wrap Air Barrier

House Wrap Air Vapor Barrier


Synthetic underlayment is applied by nailing on wood surfaces. For concrete walls, two layers of weather resistive barriers are applied as per the local regulations. Traditional tar paper is being replaced by the synthetic underlayment as an alternative. The water or air repels from the surface thereby less damage and leaks in the interior of a building.

Fluid Applied Air Barrier

Fluid Applied Air Vapor Barrier


Fluid applied air and vapor barrier is another alternative to synthetic underlayment for horizontal and vertical surfaces. They result in similar performance to the house wraps and can be applied by spraying or rolling. The elastomeric nature of the liquid air/vapor barrier prevents any leaks from the surfaces.

Fluid Applied



Fluid Applied Air Barrier Sealant

Spraying Fluid Applied Air Vapor Barrier


Fluid Applied Air Vapor Barrier is preferred by the builders due to the numerous advantages. The synthetic underlayment or tar paper tears off easily and may fall off exposing the substrate to elements. During the construction itself, the synthetic paper may get damaged if there are heavy storms before putting the shingles or siding. The paper may not provide complete sealing at the joints or curved surfaces. The synthetic barrier may permit vapor which will be ultimately absorbed by the brick or cement walls and rot the wood walls or the underlayment itself.

In contrast, the fluid applied air vapor barrier settle quickly on the surface and provide long term protection. For large commercial surfaces, the fluid applied air barrier are faster to install. Trowels, brushes, sprayers, and rollers are used to apply the fluid sealants. They provide total sealing at the joints without any overlapping problems.


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Surfaces

The liquid barriers are fast setting and long lasting on different types of surfaces. Products are made for the different substrates such as wood, cement, brick, asphalt, metal, masonry units, OSB, and so on. Compatible sealants are also available for joints and flashings. The flexibility to apply on any substrate in a fast and efficient manner is the main advantage of Fluid Applied Air Barriers. The material is also available in thick and thin types and is hot-applied or cold-applied depending up on the project.

Sustainability

Dupont, Tremco, StoGuard, and so on offer compatible fluid resistive barriers to install with their roofing or siding products. The coatings are required to be made with Low Volatile Organic Compounds (VOC). High VOCs can mix with chemicals in the environment to form smog. The fluid barriers are made with Low VOC material and thus are contributing to sustainable buildings.


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Fluid Applied Air Barrier Energy Efficiency

Fluid Applied Air Barriers: Sustainability and Energy Efficiency


Energy Efficiency

The energy efficiency of the buildings is also enhanced due to the total sealing provided by the fluid applied air barriers. The walls leak less air and prevent moisture thereby increasing the overall insulation. The buildings consume less energy and hence there is less dependency on energy generated from fossil fuels. Thus, by creating energy efficient buildings with Fluid Applied Air Barriers, environment is preserved.

Advantages



Fluid Applied Air Barrier Roof Coating

Fluid Applied Air Barriers: Roof Coating


Here are some advantages of applying Fluid Applied Air Barriers.

  • Fast application over large surfaces
  • Seamless insulation to the building
  • No water or vapor trapping in the walls or roofs
  • No indoor mold or mildew
  • No nails and rusting
  • Material tested for fire safety
  • No falling material over long period
  • Preserve building energy
  • Reduce impact on environment
  • Long lasting performance
  • Compatible with other building envelope products
  • Can interchange labor for painting and coating
  • Easy to carry and store
  • Fast setting material
  • Supplements to the sustainable building efforts including white roofs, tesla solar tile roofs, solar roofs, and energy star roofs

Disadvantages

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Here are some disadvantages of Fluid Applied Air Barrier:

  • Required to be installed in specified temperature such as 25 degrees Fahrenheit or more
  • Required to be stored in specified temperature such as 50 degrees Fahrenheit
  • Preparing surface including cleaning and filling joints with filler
  • Material may become too thick or too thin
  • Liquid may take more time to cure exposing the surface to high ultra violet sunrays
  • Some material require siding to be applied immediately after setting
  • May prove hazardous while storing, applying, or carrying due to the chemicals
  • Dry weather conditions required during application and setting

Contractors must weigh the pros and cons before selecting the Fluid Applied Air Barrier as the cost ends up same as synthetic underlayment. For large commercial projects, Fluid Applied Air Barrier may be beneficial due to the time and labor savings involved.

Fluid Applied Air Barrier Cleaning Surfaces

Fluid Applied Air Barriers: Preparing Surfaces