Know More. Risk Less.
Blair Pruitt, Inc. dba
Axiom Building Inspections
All Rights Reserved ©
American Society of
Call the inspector
AIR CONDITIONING: The process of treating air so as to control simultaneously its temperature, humidity, cleanliness, and distribution to meet comfort requirements of the occupants of the building's conditioned space.
AIR DUCT: A pipe, usually made of sheet metal, or flexible material, that conducts air to rooms in a home or building from a central source.
AIR TRAP: A U-
ALCOVE: A recessed space connected at the side of a larger room.
ALLIGATORING: A defect in roofing material consisting of intersecting cracks and ridges in the surface.
APRON: A wood finish piece under a window sill, in the corner formed at the wall surface.
AMPERE: The unit used in the measure of the rate of flow of electricity. Informally called “Amp.”
ANCHOR BOLT: A threaded rod inserted in masonry construction for anchoring the sill plate to the foundation of a home.
ARBOR: A light, open structure having a lattice framework, usually supporting intertwined vines or flowers.
ARCADE: A series of arches supported by a row of columns.
ARCH: A curved structure that will support itself by mutual pressure and the weight above its curved opening.
ASHI: Acronym for American Society of Home Inspectors.
ASHPIT: The area below the hearth of a fireplace that collects the ashes.
ASPHALT: Bituminous sandstones used for paving streets and waterproofing flat roofs.
ASPHALT SHINGLES: Composition roof shingles made from asphalt-
ASTM: The American Society for Testing and Materials.
ATRIUM: An open court within a building or home.
ATTIC: The accessible space between the ceiling framing of the topmost story and the underside of the roof framing. Inaccessible areas are considered “structural cavities and are not subject to inspection.”
AWNING WINDOW: An out-
GALVANIC CORROSION: An electrochemical action which takes place when dissimilar metals are in contact in the presence of an electrolyte, resulting in corrosion.
GALVANIZE: A lead and zinc bath treatment to prevent rusting.
GALVANIZED PIPE: A steel or iron pipe which has been galvanized by coating it with a thin layer of zinc.
GAMBREL ROOF: A roof style on a home with 2 slopes on each side, the lower slope steeper than the upper.
GARRET: An attic in a home.
GINGERBREAD: Highly decorative, elaborate woodwork used in architecture, especially in the trim of a house.
GIRDER: A horizontal beam supporting the floor joists in a building or home.
GLAZING: Installation of glass in windows and doors in a building.
GRADE: (1) Finished surface of ground around a commercial building or home. (2) Refers to classification of the quality of lumber or plywood.
GRADIENT: Inclination of a road, piping, or the ground, expressed in percent.
GRAVEL STOP: Strip of metal with a vertical lip used to retain the gravel around
GREEN LUMBER: Lumber that still contains moisture or sap.
GROUND: Intentional or accidental connection (bonding) between a circuit or equipment and the earth or other conducting material.
GROUT: Thin cement mortar used for leveling and filling masonry cavities.
GUSSET: Plywood or metal plate used to strengthen joints of a truss.
GUTTER: Metal or wood trough on a building or home for carrying rainwater to downspouts.
MANTEL: A shelf over a fireplace.
MASONRY: General term for brickwork, stonework, concrete blockwork or similar materials.
MASTIC: Flexible adhesive for adhering building materials.
MATTE FINISH: Finish free of gloss or highlights.
MEMBER: A single piece of building material used in a structure.
MILLWORK: Finish carpentry work or that woodwork done in a mill and delivered to the site; relates to interior trim.
MITER JOINT: Joint made with ends or edges of two pieces cut at 45-
MONOLITHIC: Term used for concrete work poured and cast in one piece without joints.
MORTAR: A mixture of cement, sand, and water, used as a bonding agent by the mason for binding bricks and stones.
MOSAIC: Small colored tile, glass, stone, or similar material arranged to produce a decorative surface.
MUD ROOM: A small room or entranceway in a house where muddy overshoes and wet garments can be removed before entering other rooms of the home.
MULLION: Structural support member between a series of windows.
MUNTIN: Small bar separating the glass lights in a window sash.
TENSION: Pulling or stretching force. Opposite of compression.
THERMOCOUPLE: A safety device on most gas-
THERMOSTAT: A device for automatically controlling the supply of heat and air.
THRESHOLD: Wood, metal, or stone member at the floor within the door jamb. Its purpose is to provide a divider between dissimilar flooring materials, or serve as a thermal, sound or water barrier.
THROAT: A passage located directly above the fireplace opening where a damper is set.
TIE: A structural member used to bind others together.
TIE BEAM: A horizontal timber connecting two opposite rafters at their lower ends to prevent them from spreading.
TIE ROD: A rod in tension, used to bind parts of a building together.
TIMBER: Lumber at least five or more inches in dimension for posts, sills, and girders.
TOENAILING: To drive a nail at a slant with the initial surface in order to permit it to penetrate into a second member.
TRANSOM: The bar or horizontal construction that divides a window. More commonly applied to the sash over the door.
TRANSOM WINDOW: A narrow horizontal window above a window or door, named for the cross bar on which it rests.
TREAD: The step or horizontal member of a stair.
TRUSS: Structural unit of members fastened in triangular arrangements to form a rigid framework for support over long spans.
TRUSS RAFTER: Truss spaced close enough (usually 24" o.c.) to eliminate the need for purlins.
TURRET: A small tower usually on the corner of a building, most common in Victorian-