Architectural and Engineering Glossary

F

Full-louvered Door

A type of door having louvers the entire height and width of the area surrounded by rails and stiles.

Full-surface Hinge

A hinge designed for attachment on the surface of the door and jamb without mortising.

Fuller Faucet

A faucet,the flow  through which is controlled by means of a rubber ball that is forced into the opening of the pipe.

Fuller’s Earth

A naturally occurring earthy substance,somewhat similar to potter’s clay but lacking its plasticity;used as a poultice to remove stains from stonework on a building.

Fullness

A measure of the amount of gather of a drape or curtain covering an opening;expressed as a percent by which the total area of the drape exceeds the area of the opening.For example,100% fullness indicates that the drape is 100% wider than the width of the opening.

Fume Hood

A partial enclosure through which air is drawn to remove gases and odors within the enclosed area.

Functional Spaces

The spaces and rooms within a building that house the major activities for which the building or facility was intended.

Fungicide

A substance that is poisonous to fungi;retards or prevents the growth of fungi.

Fur

To apply furring.

Furnace

1.That part of a boiler or warm air heating plant in which combustion takes place.2.A complete heating unit for transferring heat from fuel being burned to the air supplied to a heating system.
 

Furnace Slag

Same as blast furnace slag.

Furniture

See door furniture.

Furred

Provided with furring strips so as to leave an air space,as between plastering and a wall or between flooring and the subfloor.

Furring Tile

Tile  designed for lining the inside of exterior walls and carrying no superimposed load;has a corrugated surface to receive plaster.

Furrowed

Said of (margin drafted) ashlars which have vertical grooves cut in the face.
 

Furrowing

A technique used in bricklaying to increase the speed of work;the bricklayer creates a furrow in the mortar bed with the tip of his trowel.

Fus

Abbr.for“fusible.”

Fusarole

A molding of convex rounded section,commonly carved into beads and the like.

Fuse Block

Same as fuse board.

Fuse Board

A panel on which fuse holders(such as “fuse clips”)are mounted.

Fuse Box

A cutout box containing the fuses for an electric circuit.

Fuse Lighter

A special device for the purpose of igniting safety fuses.

Fusible Link

A metal chain link made of a low melting point alloy;in case of fire,the chain breaks,thereby closing a damper,door,or the like. 

Fusible Metal

An alloy having a low melting point;esp.used to release fire protection devices in the event of fire.
 

Fusible Plug

Same as fusible link.

Fusible Solder

An alloy,usually containing bismuth,having a low melting point below that of tin-lead solder,i.e.below 361F (183C).

Fusible Switch

An electric switch with fuse holders.

Fusible Tape

See joint tape.

Fusion

In welding,the melting together of filler metal and base metal,or of the base metal alone,which results in coalescence.

Fust

The shaft of a column or pilaster.

Fuzzy Texture

A defect in a porcelain enamel surface characterized by a myriad of minute bubbles,broken bubbles,and dimples.

FW

Abbr.for flash welding.