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Crawl space insulation

Insulating and sealing crawl space walls helps keep the floor above warmer and the space under it drier through a Manitoba winter.

Cross-section of a house with spray foam on the crawl space walls under an addition, marked 3

Why crawl spaces get cold floors

Additions, older homes and cottages often sit over a crawl space instead of a full basement. When the crawl space walls aren't insulated or sealed, cold air sits right under the floor.

How we handle tight spaces

Crawl spaces are tight. At the site visit we check how we'll get in, where our hoses can run, and what needs to be cleared before we spray. Then we foam the walls in one continuous layer.

  • Common under additions, sunrooms and cottages
  • Free site visit to check access first

What to expect

How it works

  1. Call or request a free quote

    Call, email or use the form. We get back to you within 1–2 business days to book a free consultation.

  2. Site visit

    We look at the scope of the project, where our equipment can get in, and what needs to be ready before we spray.

  3. Spray day

    Once the prep from the site visit is done, our self-contained rig pulls up and we spray.

  4. Re-entry

    Re-entry after spraying can take up to 24 hours, depending on the application. [CLIENT TO CONFIRM: cleanup and walkthrough].

More services

Other places we spray

Rim joists

The joint where your floor framing sits on the foundation is a common source of drafts and heat loss. Closed-cell foam seals and insulates it in one pass.

Learn about rim joists

Basement & foundation walls

Foam bonds straight to the concrete, so finishing a basement starts with an insulated, sealed wall.

Learn about basement walls

New builds

Bring us in after framing and before drywall. We'll help you choose the right foam system for each part of the build.

Learn about new builds

Taking a bite out of costly energy bills

Planning a renovation or new build?

Call Great White before the drywall goes up.