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OTTAWA'S INSULATION EXPERTS
Basement Insulation in Ottawa and Surrounding Areas
Warmer, Drier, More Comfortable Spaces
Turn your basement into a space you actually want to use, with properly installed insulation that tackles cold floors, drafts, and moisture concerns.
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Licensed &
Insured
Fully covered on every job
WSIB Compliant
Protected for your peace of mind
10+ Years in Business
Trusted across Ottawa & Region
Does Your Basement Feel Like This?
Common Basement Problems We Fix
Most homeowners put up with a cold, damp, or uncomfortable basement without realising how much it's affecting the rest of the house. These are the signs that point directly to an insulation problem.
Cold Floors and Chilly Walls
Even when the rest of the house feels fine, the basement stays cold. Cold concrete walls and floors are a direct sign of missing or inadequate insulation.
Condensation on Walls or Windows
Moisture beading on basement walls or window frames is a sign that warm air is meeting a cold surface — a clear indicator of thermal bridging and poor insulation.
Musty Smells or Damp Air
That persistent musty smell isn't just unpleasant — it's a signal that moisture is moving through the walls or floor and finding nowhere to go.
Rooms That Never Feel Comfortable
A basement that's too cold in winter and stuffy in summer — no matter what you do with the thermostat — is almost always an insulation and air sealing issue.
Recognize any of this these?
Proper basement insulation is a key part of stopping these problems before they become bigger issues.
Benefits
Why Basement Insulation Matters
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Warmer, more comfortable rooms for family, guests, or tenants
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Better moisture and condensation control when combined with proper detailing
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Reduced drafts and cold spots throughout the home
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Increased usable living space, not just storage
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Higher perceived value if you decide to sell
Whether your basement is finished, being renovated, or still concrete and studs, there is a right way to insulate it.
Why Spray-Tech?
Specialized Basement and Lower-Level Expertise
Not every insulation contractor understands basements. The moisture dynamics, vapour control requirements, and building code considerations are different from an attic job — and getting them wrong creates bigger problems down the road.
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Experience With All Basement Types Finished, unfinished, mid-renovation, new builds, and crawlspaces — we've worked in every basement configuration and know what each one requires.
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Knowledge of Local Building Code We Understand Ontarion building requirements for basement insulation and vapour control, so the job is done right, not just done fast.
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Moisture-First Thinking Careful attention to details that affect comfort and moisture, not just R-value
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Friendly crews who respect your home and work around your schedule where possible
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Clear communication: exactly what will be done, where, and why
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Find Your Situation
What Kind of Basement Project Do You Have?
Every basement is different — the right insulation approach depends on what you're starting with and what you're trying to achieve. Find the scenario that matches yours below.
Finishing Your Basement
Insulation behind new drywall, rim joist treatment, and strategic use of spray foam where it makes sense.
Upgrading a Cold Finished Basement
Assessing existing insulation, addressing air leakage and problem areas, targeted improvements to walls and rim joists.
Unfinished Storage Basement
Practical solutions to cut the chill and protect the rest of the home above.
Renovations & Additions
Coordination with your contractor to insulate properly before closing in walls.
Not sure which scenario fits your situation? That's what the free assessment call is for. Describe what you're working with and a specialist will point you in the right direction.
Common Questions About Basement Insulation
Make Your Basement a Space You Actually Want to Use
Whether you're planning a renovation, tired of a cold TV room, or want to fix that musty downstairs feeling, the right insulation is a big part of doing it properly. Our team is ready to help — call now or request a callback and we'll take it from there.