A space in a masonry wall left open for windows or doors. [top]

Mastic, a waterproof, putty-like paste used in building as a joint-sealer or filler. [top]

Model Energy Code
Established by Energy Policy Act of 1992 to serve as baseline for state energy codes. Was succeeded by the International Energy Conservation Code. [top]

A term for a product, usually vinyl or aluminium, in which the corners are assembled using screws or other fastening mechanisms, as opposed to a welded corner construction. Also referred to as a mechanically-fastened Window. [top]

See Self Adhesive Membrane. [top]

Product that is installed without coating or finishing the surface with another product, shows the milled edges. [top]

A joint made up of two components, each of which is cut one half the total desired angle of the joint. [top]

Material Safety Data Sheet.
A detailed information bulletin prepared by the manufacturer or importer of a chemical that describes the physical and chemical properties, physical and health hazards, routes of exposure, precautions for safe handling and use, emergency and first-aid procedures, and control measures. Information on an MSDS aids in the selection of safe products and helps prepare employers and employees to respond effectively to daily exposure situations as well as to emergency situations. [top]

A wood or metal component used to structurally join two window or door units. [top]

A locking system operated with one handle, which secures a window or door at two or more locking points. [top]

A secondary framing member used to hold panes within a window, window wall or glazed door. [top]

Applies to any short or light bar, either vertical or horizontal, used to give a divided light appearance to a sealed unit. [top]