WINDOWS

pane

Window pane

divider (also

called a muntin bar or grille)

frame

sash

sill

Casement Unit

French Casement

Awning

Hinged Windows (Casements)

• open 100% for maximum ventilation and, depending on size, unlimited emergency exit

Hinged Windows (Casements)

• hinged to the frame, casements open out like a door or up like an awning

• provide unobstructed view

Characteristics

• availble with screens on the inside

Awning

• easy to clean

•casements seal tight against weatherstripping

•they are generally draft-free, energy-efficient units

Hinged Windows (Casements)

Characteristics

• operating hardware on casement windows can increase overall cost

Casement Unit

Fixed Windows

Bay Window

Curved

Fixed Windows

Characteristics• designed as a single piece of glass in a frame

•least expensive because the do not have operating hardware or hinges

• known as picture windows in larger sizes • double-hung and casement windows, can also be manufactured as fixed units

• do not open; no ventilation or emergency exit

Fixed Windows

Characteristics• no leakage or drafts

• work well in combination with operable windows in the same or different styles as “multiple assembly”

• available in large and small sizes and custom or speciality shapes; high decorative potential

Round and Geometric windows

• slide open vertically or horizontally

Sliding Windows

Characteristics

• open only 50%; depending on size, ventilation and emergency exit can be limited

• because of the sliding motion, good weatherstripping maintenance is required to ensure minimal air leakage

• new models that tilt out and turn enable easy cleaning Double-Hung

Slider/Glider