
Rafter
Supporting structural member in roof construction

Supporting structural member in roof construction
A rafter is one of a series of sloped structural members such as steel beams that extend from the ridge or hip to the wall plate, downslope perimeter or eave, and that are designed to support the roof shingles, roof deck, roof covering and its associated loads. A pair of rafters is called a couple. In home construction, rafters are normally made of wood. Exposed rafters are a feature of some traditional roof styles.
Read on Wikipedia · Image Linda Spashett, Storye book, CC BY 3.0
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