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Thermal Break vs Non-Thermal Break Aluminum Windows: Performance Compared

When specifying aluminum fenestration for commercial or residential projects, one decision carries more long-term consequences than almost any other: whether to use thermal break or non-thermal break profiles. Both systems are built on aluminum—strong, durable, and low-maintenance—but they behave very differently when heat is trying to move through your building envelope. This technical comparison breaks down the physics, the performance data, and...

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