Thermal break | Garaga

Thermal break


A thermal break is an element of low thermal conductivity placed in an assembly to reduce or prevent the flow of thermal energy between conductive materials. InterlockTM triple-contact interlocking joints create a thermal break to completely seal gaps, block cold air between door sections, and prevent cold or heat transfer. Wood end blocks are also the most effective thermal break of all.

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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