24 R-VALUES Product Door Type Glazing U-Value Smooth Steel or Norwood Steel Steel Edge No Glass / Opaque 0.17 Smooth Steel or Norwood Steel Steel Edge With Glass Refer to the ENERGY STAR chart U-VALUES Taylor’s steel-edge doors have a polyurethane foam core that provides nearly twice the insulating properties of an insulated hollow metal door. This foam is injected into the steel shell and fills the entire cavity. The foam is blown (expanded) with an eco-friendly blowing agent that is CFC and HCFC-free. INSULATION ENERGY PERFORMANCE Energy-efficient steel doors in commercial settings offer a multitude of benefits. They lead to cost savings by reducing heating and cooling expenses, contribute to environmental conservation by lowering carbon footprints, and ensure compliance with regulations. These doors also create comfortable indoor spaces, enhance building durability, increase property value, and support green building initiatives. Polyurethane Foam Insulating Values K-Factor (75°F) R-Value/inch Foam thickness in door Calculated Foam R-Value in Door Taylor Steel Doors 0.165 6.06 1.67 10.12 R= 1/k
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