Open-cell vs closed-cell
Open-cell is softer, more affordable, and great for interior cavities. Closed-cell is denser, water-resistant, and adds structural rigidity — ideal for rim joists and exposed undersides.
Resource Guide
Spray Foam Insulation Guide
Spray foam is powerful but only when it’s installed by someone who knows what they’re doing. Here’s what to look for.
Back to Spray Foam Insulation
Why it air-seals
Foam expands and bonds to the substrate as it cures. Done right, it eliminates the small gaps that fiberglass alone can’t close.
Common mistakes to avoid
Spraying too thick in one pass (causes voids), skipping ventilation during cure, and applying on damp surfaces. We follow manufacturer specs every time.
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