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Insulation Materials

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Expanded Polystyrene (EPS)

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Thermal resistance approximately R-4 per inch, used in foam board or beadboard insulation, structural insulated panels, and concrete forms.

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Polyurethane Foam

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Good thermal resistance with typical values of R-6.3 per inch, used in spray foam applications, residential and commercial wall insulation.

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Fiberglass

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Low thermal conductivity (approx. 0.04 W/mK), used in building insulation, HVAC systems, and as sound absorber.

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Mineral Wool

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R-values range from R-3 to R-3.3 per inch. It is fire resistant and used in firestops, soundproofing, and building insulation.

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Cellulose

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Typical R-value of around R-3.1 to R-3.7 per inch. Ideal for dense pack applications in walls, attic floors, and sloped ceilings.

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