Glossary

Select a Group:
Base Cabinet
A cabinet that generally rests on the floor with a toe-kick and countertop
Baseboard
A molding that goes around the perimeter of a room at the base of the walls
Batten
A small rectangular piece of wood positioned vertically to cover the seam of adjoining siding boards
Bay Window
A window generally consisting of three wall segments
Beam
A framing member usually significantly larger than other framing members that carry roof or floor loads over a certain span
Bearing Wall
Any wall that carries a structural load
Bifold Door
Usually used for interior closet doors, a bifold door is made of two hinged panels that fold to one side of the opening
Birdsmouth
A notch that is cut out of a rafter where it rests on a bearing wall
Bow Window
A window consisting of many wall segments that create an overall arch or curve out from the main wall surface
Box Window
Similar to a bay window, the box window is constructed of three separate panels
Bridging
A short horizontal framing member that joins to studs in a wall (often called blocking or fire blocking)
Casement Window
A window that pivots on a side hinge much like a door with a handle to crank the window open
Casing
Pieces of wood trim surrounding a window or door
Cathedral Ceiling
A ceiling that follows the underside of the roof or rafters, creating a sloped surface
Chair Rail
Traditionally used to protect the walls from chair backs, a chair rail is a molding that typically goes around the room's perimeter at the chair back height
Coffered Ceiling
A coffered ceiling generally follows the underside of the roof planes up to a specific height where the ceiling is then flattened
Crown Molding
A decorative molding placed at the joint of a ceiling and wall surface
Dormer
A projection of vertical walls through the sloped roof plane with a window and its own roof ties into the home's main roof
Dropped Ceiling
A dropped ceiling is created by constructing a ceiling plane lower than the actual ceiling height
Dutch Gable Roof
A roof with gables extending past the normal ridge of a hipped roof with the hipped roof planes on the lower section
Eaves
The lower part of a roof plane extends outward from the structure at the same slope as the roof and is generally finished with a fascia board
Edge Flashing
The metal trim that is placed on the edge of the roof covering the seam between the roof plan on the eave and the fascia board
Egress
Building codes regulate egress windows by establishing a minimum size requirement that can be adequately used as a fire escape
Elevation
A view of an architectural model taken horizontally, looking at a vertical surface in a design
Fascia
A horizontal board positioned on edge and attached to the ends of the rafters or truss ends where gutters are typically supported
Fixtures
Any electrical, HVAC, or plumbing appliance or article that is attached to the structure
Flashing
A thin piece of metal used to prevent water from penetrating the junction of a roof with another surface
Footing
A footing supports foundation or bearing walls carrying the weight of upper floors, roof structures, etc
Footings
The concrete base upon which a house�s walls are built
Frieze
A trim member placed at the top of an exterior wall where the soffit of an eave and the wall surface meet
Gable
When a roof pitch end terminates at an exterior wall, a triangular shape is created within the roof planes
Gable Roof
A pitched roof terminating in a gable at one or both ends
Gambrel Roof
A gable roof where two roof pitches are used on either side of the triangular shape
Girder Truss
A truss that supports other trusses that are perpendicular to it
Gull Wing Roof
A Gull wing roof is the opposite of a gambrel roof, where each side of the gable is divided into two sections
Gutters
A channel attached to the fascia board designed to carry away water that runs off the roof surface
HVAC
Heating, air conditioning, and ventilation equipment
Half Hip
A half hip roof has two gabled ends
Hearth
A platform at floor level that extends in front of a fireplace
Hip Roof
A home with a hip roof has a roof place sloped upward and toward the middle of the home
Joist
A horizontal framing member usually spaced at a regular interval and used to support a floor or ceiling
Joists
Horizontal structural elements that support the floor and/or ceiling loads
Knee Wall
A short wall on an upper floor that is not regular height because a roof plane extends through its surface at a lower point
Landing
A level platform that is between two sections of stairs
Lintel
A horizontal support of timber, stone, concrete, or steel across the top of a door or window
Lites
Separated glass areas in a window, usually separated by some sort of grid pattern
Mansard Roof
A mansard roof is a hipped roof with two separate roof pitches within the same plane
Monolithic Slab
A single slab foundation for a house that incorporates footings at its edge without any joints
Mortar
A mixture of sand, water, and cement or lime that is used to fix bricks or blocks
Newel
A support post placed vertically, generally joining sections with railing and balusters
Pier Foundation
Piers are created by filled drilled holes in the ground with concrete reinforced with steel
Pillar
A post or newel that extends to the ceiling height
Plinth Block
A decorative block of wood often used at the bottom of door casings where the baseboard meets the door
Pocket Door
A space-saving door style that slides into the wall rather than swinging open into a room or hallway
Pony Wall
A framed wall that extends a shorter foundation wall to full height
Purlin
A horizontal beam along the length of a roof, resting on principals and used to support the common rafters or boards
Quoin
Large square stones or stucco trim used as decorative accents on exterior corners of buildings
Quoins
The cornerstones of brick or stone walls
Rafter
One of a series of structural members of a roof designed to support roof loads
Rebar
Reinforcing bar that is used to strengthen concrete structures
Rim Joist
A joist at the outer edge of a floor platform to which the floor joist ends meet
Saltbox Roof
A saltbox roof is a type of gable roof where the ridge (or peak) is off-center because the roof's pitch is different on each of the two roof sections
Sheathing
The outer cover of a framed wall or roof section
Shed Roof
A single sloped roof section which covers an entire area
Slider Door
A door composed of two sections
Soffit
The underside of an architectural structure such as an arch, a balcony, or overhanging eaves
Stair Riser
The vertical face of a step in a flight of stairs
Stem Wall
A foundation wall section generally made of concrete below the framed section and above the footing
Stepped Foundation
A foundation wall or stem wall that may have various heights creating a stepped look
Stile
A vertical face frame member of a cabinet between two doors
Stringer
The angled member of a stair section that supports the risers and treads
Stud
A vertical framing member usually used to create walls
Termite Flashing
Sheet metal placed where the wood framing members are attached to the concrete foundation used to prevent insects from getting into the wood-framed structure
Top Plate
A horizontal framing member placed at the top of the wall studs to carry the ceiling joists or rafters
Transom Window
A window that is placed above a doorway
Trimmer
A vertical framing member that supports a window or door header on its ends
Truss
A framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure
Truss Chord
The horizontal bottom member of a truss that creates the ceiling on the interior of a structure
Underpinning
The process of strengthening the foundation of an existing building or other structure
Valley Flashing
Sheet metal flashing that is shaped to contour the valley of a roof where two roof sections meet
Vapour Barrier
A barrier that is intended to resist the migration of moisture
Wall Cabinet
A wall cabinet is sometimes called an overhead cabinet
Webbing Truss
Webbing is made up of several truss members that connect the top and bottom chords filling the truss structure
Weep Hole
A small hole that allows water to drain from within an assembly
Window Sill
The bottom horizontal trim member at the base of a window projecting outward
Zoning
The process of dividing land in a municipality into zones in which certain land uses are permitted or prohibited
Cathedral Ceiling
A ceiling that follows the underside of the roof or rafters, creating a sloped surface
Coffered Ceiling
A coffered ceiling generally follows the underside of the roof planes up to a specific height where the ceiling is then flattened
Dropped Ceiling
A dropped ceiling is created by constructing a ceiling plane lower than the actual ceiling height
Beam
A framing member usually significantly larger than other framing members that carry roof or floor loads over a certain span
Girder Truss
A truss that supports other trusses that are perpendicular to it
HVAC
Heating, air conditioning, and ventilation equipment
Joist
A horizontal framing member usually spaced at a regular interval and used to support a floor or ceiling
Joists
Horizontal structural elements that support the floor and/or ceiling loads
Lintel
A horizontal support of timber, stone, concrete, or steel across the top of a door or window
Mortar
A mixture of sand, water, and cement or lime that is used to fix bricks or blocks
Rebar
Reinforcing bar that is used to strengthen concrete structures
Rim Joist
A joist at the outer edge of a floor platform to which the floor joist ends meet
Sheathing
The outer cover of a framed wall or roof section
Stair Riser
The vertical face of a step in a flight of stairs
Stringer
The angled member of a stair section that supports the risers and treads
Stud
A vertical framing member usually used to create walls
Top Plate
A horizontal framing member placed at the top of the wall studs to carry the ceiling joists or rafters
Trimmer
A vertical framing member that supports a window or door header on its ends
Truss
A framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure
Truss Chord
The horizontal bottom member of a truss that creates the ceiling on the interior of a structure
Webbing Truss
Webbing is made up of several truss members that connect the top and bottom chords filling the truss structure
Birdsmouth
A notch that is cut out of a rafter where it rests on a bearing wall
Dormer
A projection of vertical walls through the sloped roof plane with a window and its own roof ties into the home's main roof
Eaves
The lower part of a roof plane extends outward from the structure at the same slope as the roof and is generally finished with a fascia board
Edge Flashing
The metal trim that is placed on the edge of the roof covering the seam between the roof plan on the eave and the fascia board
Gable
When a roof pitch end terminates at an exterior wall, a triangular shape is created within the roof planes
Gable Roof
A pitched roof terminating in a gable at one or both ends
Gambrel Roof
A gable roof where two roof pitches are used on either side of the triangular shape
Gull Wing Roof
A Gull wing roof is the opposite of a gambrel roof, where each side of the gable is divided into two sections
Half Hip
A half hip roof has two gabled ends
Hip Roof
A home with a hip roof has a roof place sloped upward and toward the middle of the home
Mansard Roof
A mansard roof is a hipped roof with two separate roof pitches within the same plane
Purlin
A horizontal beam along the length of a roof, resting on principals and used to support the common rafters or boards
Rafter
One of a series of structural members of a roof designed to support roof loads
Saltbox Roof
A saltbox roof is a type of gable roof where the ridge (or peak) is off-center because the roof's pitch is different on each of the two roof sections
Shed Roof
A single sloped roof section which covers an entire area
Soffit
The underside of an architectural structure such as an arch, a balcony, or overhanging eaves
Valley Flashing
Sheet metal flashing that is shaped to contour the valley of a roof where two roof sections meet
Batten
A small rectangular piece of wood positioned vertically to cover the seam of adjoining siding boards
Casing
Pieces of wood trim surrounding a window or door
Chair Rail
Traditionally used to protect the walls from chair backs, a chair rail is a molding that typically goes around the room's perimeter at the chair back height
Crown Molding
A decorative molding placed at the joint of a ceiling and wall surface
Frieze
A trim member placed at the top of an exterior wall where the soffit of an eave and the wall surface meet
Hearth
A platform at floor level that extends in front of a fireplace
Lites
Separated glass areas in a window, usually separated by some sort of grid pattern
Newel
A support post placed vertically, generally joining sections with railing and balusters
Pillar
A post or newel that extends to the ceiling height
Plinth Block
A decorative block of wood often used at the bottom of door casings where the baseboard meets the door
Quoin
Large square stones or stucco trim used as decorative accents on exterior corners of buildings
Quoins
The cornerstones of brick or stone walls
Stile
A vertical face frame member of a cabinet between two doors
Baseboard
A molding that goes around the perimeter of a room at the base of the walls
Bearing Wall
Any wall that carries a structural load
Bridging
A short horizontal framing member that joins to studs in a wall (often called blocking or fire blocking)
Elevation
A view of an architectural model taken horizontally, looking at a vertical surface in a design
Footing
A footing supports foundation or bearing walls carrying the weight of upper floors, roof structures, etc
Footings
The concrete base upon which a house�s walls are built
Knee Wall
A short wall on an upper floor that is not regular height because a roof plane extends through its surface at a lower point
Monolithic Slab
A single slab foundation for a house that incorporates footings at its edge without any joints
Pier Foundation
Piers are created by filled drilled holes in the ground with concrete reinforced with steel
Pony Wall
A framed wall that extends a shorter foundation wall to full height
Stem Wall
A foundation wall section generally made of concrete below the framed section and above the footing
Stepped Foundation
A foundation wall or stem wall that may have various heights creating a stepped look
Underpinning
The process of strengthening the foundation of an existing building or other structure
Wall Cabinet
A wall cabinet is sometimes called an overhead cabinet
Base Cabinet
A cabinet that generally rests on the floor with a toe-kick and countertop
Bay Window
A window generally consisting of three wall segments
Bifold Door
Usually used for interior closet doors, a bifold door is made of two hinged panels that fold to one side of the opening
Bow Window
A window consisting of many wall segments that create an overall arch or curve out from the main wall surface
Box Window
Similar to a bay window, the box window is constructed of three separate panels
Casement Window
A window that pivots on a side hinge much like a door with a handle to crank the window open
Dutch Gable Roof
A roof with gables extending past the normal ridge of a hipped roof with the hipped roof planes on the lower section
Pocket Door
A space-saving door style that slides into the wall rather than swinging open into a room or hallway
Slider Door
A door composed of two sections
Transom Window
A window that is placed above a doorway
Window Sill
The bottom horizontal trim member at the base of a window projecting outward
Egress
Building codes regulate egress windows by establishing a minimum size requirement that can be adequately used as a fire escape
Fascia
A horizontal board positioned on edge and attached to the ends of the rafters or truss ends where gutters are typically supported
Fixtures
Any electrical, HVAC, or plumbing appliance or article that is attached to the structure
Flashing
A thin piece of metal used to prevent water from penetrating the junction of a roof with another surface
Gutters
A channel attached to the fascia board designed to carry away water that runs off the roof surface
Landing
A level platform that is between two sections of stairs
Termite Flashing
Sheet metal placed where the wood framing members are attached to the concrete foundation used to prevent insects from getting into the wood-framed structure
Vapour Barrier
A barrier that is intended to resist the migration of moisture
Weep Hole
A small hole that allows water to drain from within an assembly
Zoning
The process of dividing land in a municipality into zones in which certain land uses are permitted or prohibited