buckler
An ornament used in the decoration of friezes; sometimes circular or lozenge-shaped.
Glossary
Glossary
bucranium, bucrane
A sculptured ornament representing the head or skull of an ox, often garlanded; frequently used on Roman Ionic and Corinthian friezes.
Glossary
building trap, main trap
A running trap on the outlet side of a building drain (on the sewer side of all drain connections); prevents the passage of
Glossary
built-up beam
1. A beam made of structural metal units (such as plates and angles) which are riveted, bolted, or welded together. 2. A
Glossary
built-up roofing, composition roofing, feltand- gravel roofing, gravel roofing
A continuous roof covering made up of laminations or plies of saturated or coated roofing felts, alternated with layers of asphalt or coal-tar
Glossary
Built-up roof
A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, orasphalt. The top is
Glossary
broken pediment
1.A pediment whose sloping or curving sides terminate before reaching the pediments highest point, resulting in an opening that is often filled with
Glossary
brick veneer, brick facing
A facing of brick laid against the front side of an exterior wall but not bonded to it; provides a decorative, durable wall