Sealing Airtight Buildings, One Suite at a Time

Meet the world’s #1 building envelope seal technology, that seals holes as small as a hair follicle and up to 1/2” wide, to go beyond industry standards and save up to 35% on energy costs. 100% Guaranteed results.

Watch How It Works

Why Seal Your Building Envelope?

Stop Overspending On Energy
Save up to 35% more on energy costs

Reduce Occupancy Complaints
Mitigate smoke, odours, reduce sound transmission

Mitigate Poor Air Quality
Eliminate dust, pests & outdoor pollution entering

Never Fail A Blower Test
Sealing technology can achieve <0.6 ACH@50

Decrease GHG Emissions
Reduce HVAC consumption & unnecessary emissions

World's #1 Building Envelope Seal Technology

5 Simple steps to save up to 35% on energy costs with 100% guaranteed results.

Step 1: Setup

Set up equipment; compressor, generator, blower door, emitters, hoses and sealing technology.

Step 2: Prepare

Prep the space by taping and covering areas that won’t be sealed and set up emitters.

Step 3: Pressurize

Pressurize the space with blower door and allow technology to do the rest.

Step 4: Seal

A computer monitor displays the ACH improvement results in real-time.

Step 5: Certify

Verify the sealing results and receive a certificate with a pre and post leakage report.

Go Beyond Passive House Standards

Nerva makes it possible to achieve <0.6 ACH@50 and go beyond all stringent industry standards of Passive House, LEED Platinum, Energy Star, NRCC, IEECC, ZERH standards and more.

100% Guaranteed Quantified Results

As the Nerva sealing process unfolds, the results are displayed in real-time! By incorporating a blower door, the technology is able to target and hit exactly your desired Air Changes per House (ACH). At the end of the process, we provide you with a report that quantifies the results and air leakage improvement.

GreenGuard Gold Certified. Safe For Multi-Residential, Hospitals, Schools and more…

The sealant is a non-toxic, water-borne acrylic sealant. It’s GreenGuard Gold certified. It has no off-gassing. It withstands a 50-year durability test with virtually no degradation or loss of seal. Meets the strictest certification requirements for use in schools and hospitals. Is non-flammable and Red List Free.

GreenGuard Gold Certified

Withstands 50-yr durability test

No off-gassing (VOC’s)


Certified for multi-res, schools, hospitals and more

What They Say About the Technology

A revolutionary product. It seals holes not visible to the eye, that would typically be missed.

Geoff Ferell

This is frikin’ awesome! Every single month, I’m going to save.

Mike Holmes, DIY Network

It’s rare for one innovation to transform a whole industry.

Ted Cushman, Journal for Light Construction

Frequently Asked Questions

Nerva Suite Seal powered by AeroBarrier.

Ready to get started? Get in touch to learn more.