Knowledge Center

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.

Norwood Overhead Door Co.
20 Merchants Dr. Unit #3, Walpole MA 02081 | Phone: (508) 668-9393


Area served: Norwood, Walpole, Medfield, Westwood, Sharon and Canton
Business hours: Monday to Friday 7 AM to 4 PM; Saturday by appointment

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