AIR SEALING | AEROBARRIER

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PROVEN TECHNOLOGY

Ekovate Air is proud to be the exclusive dealer and installer for AeroBarrier in Washington's King, Pierce, and Snohomish counties. Building upon proven technology invented by the U.S. Department of Energy (DOE) over 20 years ago, AeroBarrier is a cutting edge aerosol envelope sealing system that simultaneously measures and seals building envelope air leaks.

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Video overview of the AeroBarrier process.

How It Works

  1. Pressurize the building or living unit with a blower door
  2. Spray an aerosol of sealant particles into the vacant space 
  3. Allow the particles to build up and seal leaks
  4. Monitor air tightness during the process until desired results are achieved
 
 

Guaranteed Results

Whether your goal is to pass energy code or achieve passive house air tightness, AeroBarrier results are guaranteed. Since your blower door result is monitored live during the sealing process there is no more anxiety, no more guessing, no more mystery.  Never fail a blower door test!

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AWARDS & RECOGNITION

  • The latex based AeroBarrier sealant material is Low VOC (volatile organic compound) and GreenGuard Gold certified. After the process the aerosol dissipates in a matter of minutes and leaves only a thin film on horizontal surfaces that can be swept or vacuumed.

Frequently Asked Questions

At what stage of construction is AeroBarrier applied?

AeroBarrier may be applied at any time between rough-in and prior to occupancy, although the ideal times are:

  • Rough in – right before insulation (creates air barrier at sheathing)
  • Sheetrock – right after mud/tape (creates air barrier at sheetrock)

Can AeroBarrier be applied to a finished or occupied home?

Yes! After the process is complete, the sealant mist settles on horizontal surfaces in a thin film. In a home with finished floors, countertops, furniture, etc it is recommended to cover or mask horizontal surfaces to keep things clean, so the total time on site takes longer time is required to prepare the home. The AeroBarrier sealant does not stick to vertical surfaces like windows or walls.

What does it cost?

Cost varies based on the number and size of the homes or apartments, the stage of construction, and the air tightness goal. Generally pricing falls in the range of $0.80 - $1.50 per square foot of floor area.

How many homes has this been installed on?

AeroBarrier has been installed on over 750 homes to date, including every home being built by Arizona based high performance home builder Mandalay Homes.

What cleanup is required after the sealing process?

When AeroBarrier is applied at rough in or right after sheetrock in new construction there is little to no cleanup required. After the process is complete, the sealant mist settles on horizontal surfaces in a thin film that looks much like drywall dust. At these stages of construction cleanup is optional. If the process is done in a finished home it is recommended to cover or mask horizontal surfaces to make cleanup easier. This does require more preparation before sealing and cleanup after.

What is the sealant material made of?

The AeroBarrier sealant is a waterborne acrylic that has been used as a fluid-applied permeable air barrier for many years. The sealant is GREENGUARD Gold certified and has been tested according to various ASTM standards and NFPA 285, for fire spread, smoke production, adhesion, antifungal properties, tensile strength, etc. GREENGUARD Gold is a stricter certification criteria than GREENGUARD and ensures a product is acceptable for use in schools and healthcare facilities.

The sealant is low VOC and has no off-gassing.

How long does it take to apply

The entire AeroBarrier process, from setup to completion, takes approximately 4-hours for a typical single-family home. When targeting reduced envelope leakage levels of Passive House or ZERH, additional time may be required.

What size leaks will this seal?

AeroBarrier seals holes as large as ½”, and as tiny as a human hair. Aerosol sealing is extremely effective at sealing narrow gaps and extremely small holes that are typically not cost-effective or are missed during manual sealing.

What is the lifecycle of the product, or how long does the tight seal last?

Third-party lab testing reveals AeroBarrier withstands a simulated 50-year durability test, with little or no seal degradation.

How long after the sealing process can work resume in the space?

The area needs to be aired out for 30 minutes after the sealing is complete. This is done by opening doors and windows while running the fan. But work can resume in the space as soon as the sealing equipment is removed and 30 min has passed.