Spray-Tech Insulation

Before the shingles go back on, this happens first.

Closed-cell spray foam installed directly beneath the roof deck — sealing air leaks, improving thermal performance, and protecting the building envelope before it's closed up forever.

Most homeowners never get to see this part of the job. Once the new roof goes on, it's invisible. But it's exactly what makes the difference in comfort, energy efficiency, and long-term durability.

Replacing your roof or planning a renovation? It's the perfect window to upgrade the insulation underneath, too.

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The best compliment we can receive is a happy customer.

Thank you, M. MacCrimmon, for trusting Spray-Tech with your project and for taking the time to leave us this review. We truly appreciate it.

If you’ve worked with us, we’d love to hear about your experience. Your feedback helps other homeowners and builders choose a team they can trust.

⭐ Thank you for your continued support!

From fiberglass to closed-cell spray foam. 🏗️

This municipal building was upgraded to improve thermal efficiency, air sealing, and long-term performance.

When you’re heating and cooling a large commercial space, insulation plays a major role in operating costs. That’s why closed-cell spray foam continues to be one of the most effective upgrade options available.

Every building has different performance requirements. Choosing the right insulation solution is an important part of getting it right from the start.

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Some projects come with a pretty incredible office view. 🏝️

This lakeside cottage was built with a continuous exterior spray foam system designed to reduce thermal bridging and improve long-term energy performance.

The goal wasn’t just insulation — it was creating a building envelope built to handle Canadian seasons while protecting the structure for years to come.

Planning a new build? We’d be happy to help.

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In Ontario, many homes should have roughly 16–20 inches of attic insulation to help reduce heat loss and improve energy efficiency. Yet we regularly inspect attics that fall well below that.

If your home feels drafty in the winter, struggles to stay cool in the summer, or your energy bills seem higher than they should be, your attic insulation could be part of the problem.

How many inches do you think are in your attic right now?

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Most people looking at this home will notice the architecture.

We notice the building envelope.

This custom A-frame was spray foamed from top to bottom to help create a tighter, more energy-efficient home before the walls are ever closed up.

The best insulation work is the work you'll never see — but you'll feel every day.

📞 Thinking about spray foam insulation for your new build, cottage, garage, or renovation project? Free Estimates Available
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This attic is now fully sealed with spray foam insulation — no gaps, no drafts, no exposed cold spots.

A lot of homeowners don’t realize how much heat escapes through the attic until they see the difference after the job is done.

With spray foam:
✔ Air leaks are sealed
✔ Moisture infiltration is reduced
✔ Indoor temperatures become more stable
✔ HVAC systems don’t have to work as hard
✔ Energy efficiency improves year-round

You can actually see in these photos how every cavity and edge has been covered to create a continuous thermal barrier throughout the space.

This wasn’t just about “adding insulation.”
It was about properly sealing the home.

Big shoutout to Mason and the crew for another clean install. 👏