How to use spray foam insulation?

 To use spray foam insulation, start by choosing the right type: open-cell for soundproofing and flexibility, or closed-cell for higher R-value and moisture resistance. Wear protective gear (gloves, goggles, and mask) and ensure proper ventilation. Clean and dry the surface before application. 

Shake the spray foam canister or set up the spray gun system as instructed. Apply foam in layers, letting it expand and cure between passes. Avoid overfilling, as foam expands significantly. 

Trim excess once fully cured. Use in wall cavities, attics, or rim joists to seal gaps and improve energy efficiency. Always follow manufacturer safety and usage guidelines.

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