Glossary

butterfly valve

A valve used to control the flow of fluids; a disk controls flow through the port. Also called a butterfly damper.

Glossary

butt chisel

A wood chisel with a short blade, esp. used for setting hardware on doors and doorframes.

Glossary

bush-hammered concrete

Concrete having an exposed aggregate finish; usually obtained with a power-operated bushhammer which removes  (by percussive cutting) the sand-cement matrix about the

Glossary

bulls-eye

1. A figure or ornament of concentric bands. 2. A round or oval aperture, open, louvered, or glazed; an oculus or oeil-de-boeuf.

,
Glossary

bullnose block

A brick or concrete masonry unit having one or more rounded exterior corners.

Scroll to Top