Usually either gravel, concrete or asphalt, it is used in paving to compensate for ground movement, to provide drainage and to support the pavers. Material to form a place for welding, cutting or soldering to be performed.
Base metal
Non-precious or structurally inferior metal. Metal to form a place for welding or brazing to be performed.
Base molding
Wood strip trim on the top of a baseboard, where it meets the wall.
Base plate
A plate, usually of steel, upon which a column rests.
Base ply
An asphalt-saturated and/or coated felt installed as the first ply with 4 inch laps in a built-up roof system under the following felts which can be installed in a shingle like fashion.
Base power
Power generated by a utility unit that operates at a very high capacity factor.
Base rent
Monthly fixed rental payment.
Base sheet
An asphalt-impregnated, or coated felt used as the first ply in some built-up and modified bitumen roof systems.
Base shoe
A molding designed to be attached to base molding to cover expansion space. Similar to quarter round in profile.
Base tiles
Trim tiles with a curved edge used at a perpendicular junction for desired sanitary or aesthetic design.
