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Short answer

Okanagan AeroBarrier seals the building envelope with a computer-controlled aerosol to a measured ACH50 target, usually in one day, for builders across Kelowna, West Kelowna, Lake Country, Vernon, Penticton, Summerland, Peachland, Coldstream and Salmon Arm. Best timing is after insulation and before drywall; it still works with drywall up, and closes once flooring, cabinets and trim go in. Your energy advisor runs the compliance test.

Deeper answers live in the guides: how AeroBarrier works, Step Code airtightness, failed blower door tests, multi-family, cost versus hand sealing and where I work.

Written by Sebastian Motora, owner-operator. Last reviewed October 7, 2026.

Questions builders ask

What is AeroBarrier?

An aerosol envelope sealing system. The house is pressurized with a blower door and filled with a water-based sealant mist; the escaping air carries the particles into the gaps, where they build up until the gaps close. Leakage is measured live, so the seal stops at your target. Full walkthrough.

When in the build should I book it?

After insulation and before drywall is best. Windows and exterior doors must be in and the rough-ins inspected. Drywall up, taped and primed still works. Flooring, cabinets and trim close the window.

What ACH50 do I need?

It depends on the Step your municipality and project require. The BC Step Code tables set airtightness targets by step; your designer and energy advisor confirm the number for your project. Step Code airtightness explained.

What results do you get?

Typical finished results land between 0.5 and 1.2 ACH50. The best on record is 0.24. Every seal is measured, and you get a report showing where the house started and finished.

Can you fix a failed blower door test?

Often, yes, as long as finishes are not in. Send the energy advisor's result and I will tell you straight whether a seal gets you there. Failed test guide.

Do you do duplexes, fourplexes and townhouses?

Yes, unit by unit with a documented result per unit. Multi-family air sealing.

Are you an energy advisor?

No. I do not do EnerGuide ratings, modelling, compliance testing or standalone blower-door tests. Your energy advisor runs the compliance test; I seal to the target. How we work together.

Is the sealant safe once cured?

It is a water-based acrylic. Once cured it is inert and the home is occupied normally. Crews use respiratory protection during application as standard practice.

Does it replace hand sealing or firestopping?

No. Large openings are closed by hand first, and firestopping and rated separations are installed to code. The seal closes the small leakage paths that are left.

Does a tight house need ventilation?

Yes. Build tight, ventilate right: a tight house needs mechanical ventilation, usually an HRV or ERV, sized by your designer.

How do I get a price?

Send the plans or conditioned square footage, the target step, the stage and the unit count. You get a written quote. What drives the price.

Where do you work?

Kelowna is home base. I seal across the Okanagan and the Shuswap: West Kelowna, Lake Country, Vernon, Coldstream, Penticton, Summerland, Peachland and Salmon Arm. Service area.

Who shows up?

Me. Sebastian, the owner. You deal with the person who runs the seal.

Do you seal ducts too?

Yes, with Aeroseal, the duct side of the same aerosol process. Duct sealing.

Send me the project.

Plans, target step, stage and timeline. You talk to the owner who runs the seal, usually the same day.

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