hammer-beam roof

English - English

Definition of hammer-beam roof in English English dictionary

Related Terms

hammer-beam roof

English medieval timber roof system used when a long span was needed. Not a true truss, the construction is similar to corbeled masonry (see corbel) in that each set of beams steps upward (and inward) by resting on the ones below by means of curved braces and struts. The roof of Richard II's Westminster Hall in London (1402), with a 70-ft (21-m) span, is an excellent example