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R-Value

Ability of a material to retard the transmission of heat. The higher “R” value, the better insulating performance. Note: Garaga doors are made of high-density pressure-injected polyurethane. Up to R-18 insulation. Twice the thermal resistance of polystyrene.
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Charlie’s Overhead Door
584884 Beachville Road, Woodstock (ON) N4S 7V6 | Phone: (519) 539-2988


Area served: Oxford county, Woodstock, Ingersol, Enboro, Platsville and Paris
Business hours: Monday to Friday 8am - 4:30pm ; Saturday by appointment.


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