Facade / Heat-flow interruption
Thermal break
/ˈθɜːr.məl breɪk/noun
From Greek thermē, “heat,” and Old English brecan, “to break.”
Definition
A low-conductivity material placed inside an assembly, such as a window frame or balcony connection, to stop heat flowing straight through between inside and outside.
Fig. 92 — Thermal break: schematic studyNOT TO SCALE
Illustrative study — Thermal break · AI-generatedSAMPLE IMAGE
Photo study — Thermal break · AI-generated00:06
Structural & construction notes
Without one, metals and concrete form thermal bridges that lose heat and can cause cold interior surfaces, condensation, and mold. Polyamide strips in aluminum frames and structural isolators at balconies are common.
An educational reference. Project-specific design requires professional guidance.