Maximize Insulation in Minimum Headers

Conventional wood-frame construction is proven to workÑbut engineers have done the math and shown that we can use less framing and wind up with a building that stands up just as well. Building-code expert Glenn Mathewson explains the code requirements around header insulation and the ways we can maximize energy performance by not overbuilding the structure, including shifting headers up into the floor system (rim-board headers) and replacing traditional headers with box beams to allow more room for insulation and reduce thermal bridging.

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