Glossary of termsDefinition of words generally found within this website.
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Word:
Purlin
Definition:
Timber used to support roofing sheets. Usually fixed on top of rafters.
A horizontal structural member spanning between beams or trusses to support a roof deck
A horizontal member attached perpendicular to the truss top chord for support of the roofing (i .e., corrugated roofing or plywood and shingles).
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