General

General

base metal

The metal to be welded or soldered (as distinguished from filler metal which is deposited during the joining process).

General

baseplate

1. A metal plate used to distribute a nonuniform load. 2. A metal plate on which a column rests. 3.

General

base ply

In roofing: the layer of felt secured to the deck over which a built-up roof is applied.

General

base screed

A metal screed having expanded or short perforated flanges; acts as a dividing strip between plaster and cement; provides a

General

base sheet

Saturated and/or coated felt sheeting which is laid as the first ply in a built-up roofing membrane.

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