R-Value | Garaga

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.

Down East Doors
341 Highland Ave, South Portland ME 04106 | Phone: (207) 871-0233


Area served:
Cumberland, York, Oxford and all within 50 miles radius from Portland.
Business hours: Monday to Saturday from 7:00 am to 5:00 pm.



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