AeroBarrier® FAQ: What it is and Why Builders Use It

Your Top AeroBarrier Questions Answered
AeroBarrier, by Aeroseal, is an air sealing technology that gives residential builders a faster, more reliable way to meet code, pass blower door tests, and eliminate the guesswork of manual envelope sealing. It seals air leaks in just a few hours, helping you avoid costly rework, save time on site, and keep your projects on schedule. Here’s what builders need to know.
1. How does AeroBarrier work?
AeroBarrier uses envelope pressurization along with a mist of sealant to automatically find and seal air leaks in a building’s envelope. It’s done during construction, typically after drywall is hung but before finishing work. The system runs off a blower door, which is the same tool used to verify code compliance for air tightness.
The process is simple:
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The space is pressurized to 100 pascals.
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A fine sealant mist is released into the air.
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The mist is drawn to leaks and seals them in real time, with no guesswork.
Once a leak is sealed, no more air passes through it. The mist then redirects to the next leak automatically. It’s fast, precise, and measurable while the work is being done.
Watch how the AeroBarrier process works.
2. Why should I trust AeroBarrier over manual sealing?
Manual air sealing leaves a lot of room for error and a lot of missed leaks, especially in tight spaces like:
- Under stairs
- Behind cabinets
- Inside party walls or attics
AeroBarrier reaches places humans simply can’t. The results are verifiable. We monitor the air leakage in real time so you know exactly what level you’re hitting, whether your goal is 5 ACH or below 1.5 ACH for Zero Energy Ready Homes.
3. Will it help me pass blower door tests?
Yes. That’s one of AeroBarrier’s biggest benefits. During the seal, the system software shows a live leakage number every 10 seconds. That means we meet your leakage target with confidence.
Benefits include:
- Fewer delays
- No callbacks
- Less stress when it's time to test
You set the target. We seal to it. Simple as that.
4. Does AeroBarrier help with ENERGY STAR or other programs?
Absolutely. Whether you’re building to ENERGY STAR 3.1 or ENERGY STAR 3.2, or aiming for Zero Energy Ready Home (ZERH) standards, AeroBarrier helps you consistently hit those aggressive air leakage thresholds.
This can unlock:
- Federal and local incentives
- Utility rebates
- Long-term savings for the homeowner
For builders, that means more buyer appeal and a competitive edge in the market.
5. Is AeroBarrier going to cost me time or money on the job site?
Actually, it saves both. Here’s how:
- Reduces rework and back-and-forth with trades
- Eliminates manual caulking of every crack and seam
- Takes just a few hours to complete
- Lets your team stay focused on the build, not the blower door
Plus, tighter envelopes mean right-sized HVAC systems. That can cut equipment costs, especially in hot or humid climates where oversizing is common.
6. What about duct sealing?
Good question. We also offer duct sealing during construction, which pairs perfectly with AeroBarrier. By sealing the ducts early, you catch leaks when it’s easiest to fix them. That’s better performance and higher confidence in a high-quality HVAC installation.
Final Thoughts: Why Builders Trust AeroBarrier
At the end of the day, AeroBarrier is for builders who want control over their process, their results, and their reputation. It’s not a gamble or a guess. It’s a proven way to meet energy codes, improve performance, and move confidently through inspections without second-guessing your air sealing.
Got more questions? Let’s talk. We’re here to help you build smarter, faster, and better. Visit Aeroseal.com