Insulated Door

Thermospan 125 Insulated Sectional Door

Thermospan 125 Insulated Sectional Door

Ideal for applications where thermal efficiency is important, and competitive cost is essential, Wayne Dalton’s Thermospan® Model 125 sectional door features a foamed-in-place polyurethane core and standard joint seal that provides a substantially higher thermal efficiency than industry standard polystyrene insulated doors, making Thermospan® Model 125 suitable for commercial and industrial applications.

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Thermacore 599 Insulated Sectional Door

Thermacore 599 Insulated Sectional Door

​​​​​​​​​​​​​​​​​​With an R-value of 17.5 (3.09 W/m2) a U-value of .057 (.324 m2/W), and one of the best overall air infiltration ratings in the industry, the Thermacore® Sectional Steel Door Model 599 is one of the most thermally efficient door systems in its class.

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