Curved, "U" section of drain pipe that holds a water seal to prevent sewer gasses from entering the home through a fixtures water drain.

A combination of pigments with suitable thinners or oils to provide decorative and protective coatings. Can be oil based or latex water based.

An approximately level building area.

A material installed under carpet to add foot comfort, isolate sound, and to prolong carpet life.

To shim out or add strips of wood to a wall or ceiling in order that the finished ceiling/wall will appear correct.

A thin flat piece of wood, plywood, or similar material, framed by stiles and rails as in a door (or cabinet door), or fitted into grooves of thicker material with molded edges for decorative wall treatment.

A metal form used to form the cavities between joists in cast-in-place concrete floors and roofs.

A general term for papers, felts, and similar sheet materials used in buildings without reference to their properties or uses. Generally comes in long rolls.

The application of a portland cement plaster on masonry and concrete walls to make them less permeable to water.

A panel that includes fuses or circuit breakers used to protect the circuits in a building from overloads.

Construction that uses preassembled panels for walls, floors, and roof.

Wooden platforms used for storing and shipping material. Forklifts and hand trucks are used to move these wooden platforms around.

Lumber made from lengths of wood veneer bonded to produce a solid member.

Extension of an exterior wall above and/or through the roof surface.

A wall placed at the edge of a roof to prevent people from falling off.

A sheet product manufactured from wood particles and a synthetic resin or other binder.

Plywood substitute made of course sawdust that is mixed with resin and pressed into sheets. Used for closet shelving, floor underlayment, stair treads, etc.

A thin brick used as the finished floor covering.

A heating or cooling system that collects and moves solar heat whiout using mechanical power.

Materials—commonly masonry—laid down to make a firm, even surface.