Definition of the term Reflective Glass
Glass with a metallic coating to reduce solar heat gain.
Definition of the term Tread
The horizontal board in a stairway on which the foot is placed.
Definition of the term Class B Door
A fire resistant rating applied by the Underwriters Laboratories Classification for a door having a 1 to 1 1/2 hour rating.
Definition of the term Female IPS
Pipe connection where the threads are on the inside of the fitting. See FIP.
Definition of the term Lintel
A horizontal structural member that supports the load over an opening such as a door or window.
Definition of the term Reflective Insulation
Sheet material with one or both sun faces of comparatively low heat emissivity, such as aluminum foil. When used in building construction the surfaces face air spaces, reducing the radiation…
Definition of the term Treated Lumber
A wood product which has been impregnated with chemicals to reduce damage from wood rot or insects. Often used for the portions of a structure which is likely to be…
Definition of the term Cleanout
A plug in a trap or drain pipe that provides access for the purpose of clearing an obstruction.
Definition of the term Liquated Damages
A monetary amount agreed upon by two parties to a contract prior to performance under the contract that specifies what a either party owes the other if that party defaults…