Butyl

Butyl is a synthetic rubber that is frequently used in the production of windows to seal the glass to the spacer. Butyl is highly impermeable to gases, creating an airtight and watertight unit. It is the most effective rubber for preventing gas transfer. It also ages very well, resisting degradation from chemicals, weather, and oxidation.

Fenestration Window Placement

Fenestration is the placement and design of windows and other openings along a building’s wall. This can include the arrangement, size, proportioning, and construction of openings such as windows, skylights, and doors.

The proper placement of windows greatly affects the ventilation and lighting within the building, as well as the attractiveness of the building’s exterior.

Fixed Lite

A fixed lite, also called a fixed sash, is a fixed and non-operative window—it cannot be opened. Fixed lites are useful in places where extra light is required without extra ventilation. They are also frequently used in conjunction with other windows to add more natural light or create a visually appealing window display. Fixed lites…

Fusion-welded

Fusion welding joins two materials into one unit by heating them past their melting point(s) with temperatures usually over 500°F. This creates a more secure bond than mechanically joining two pieces together using screws, adhesives, or other means of attachment. Mechanically bonded materials develop gaps, leaving room for water and air leakage and compromising the…

Grids

Grids, also known as grilles, are optional decorative bars that can be placed in or on a window horizontally and/or vertically to create the appearance of a divided sash. Grids are often customized to create an attractive design or to match the architectural style of a particular home. Colonial, prairie, and diamond grids are three…

Jamb

Jambs form the sides and top of a window frame. They are the vertical and horizontal supports of the window. The vertical jambs are also known as “side jambs,” and the horizontal jamb at the top of the window is called the “head jamb.” In some windows, the jambs house other pieces, such as tracks,…