The purpose of thermal break materials and systems (thermal breaks) is to reduce the impact of thermal bridging by preventing conductive heat flow through the thermal envelope. Thermal breaks keep the heat in and push the dew point out. They break the bridge.
The thermal break is a continuous barrier between the inside and outside window frames that prevent conductive thermal energy loss (see the image above). The barrier securely bonds the interior and exterior metal frames of the window sash.
A thermal break is a component of construction that has low thermal conductivity. Thermal breaks can also be referred to as thermal barriers.
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what is a thermal break
