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Reference | STBA

Reference: Insulating dormer windows (2012) English Heritage

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Abstract or summary

This guidance note provides advice on the principles, risks, materials and methods for insulating dormer windows. Dormers come in a large variety of shapes, sizes and materials and can be a difficult area to insulate. However, if insulation is left out or is poorly detailed then the energy efficiency of the whole roof can be compromised.

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