STANDARD FEATURES
Constructed with heavy extruded virgin vinyl that resists cracking or chalking.
Overall frame dimension is 4 5/8" for the lap frame and 5" for the nu-wall frame.
Fusion welded frame and sash corners provide structural integrity and eliminate air and water leakage through the corners.
Anti-lift feature prevents removal of operating panel except in full open position.

Two sets of fully adjustable, heavy duty tandem rollers for effortless glide.
Available in lap or nu-wall frame design.
OPTIONS: Integral grids Low-E glass Obscure glass Tempered glass Argon
Using our Low-E glass option meets the Energy Star qualification criteria in one or more climate zones. See the Energy Star zone map by clicking on the Energy Star icon above. Contact Philips Products for up-to-date U-Factor and Solar Heat Gain Co-Efficient (SHGC) information