I-Beam reinforcement is found in all the lock and keeper rails. Provides additional insulation and structural integrity.
Standard features for structural
integrity, energy efficiency, and beauty.
The Most Energy Efficient Dual Pane Window System on the Market Today!
Fusion welded, heavy duty multi-chambered frame and sashes provide long lasting strength and durability. Shadow grooved sashes provide an aesthetically pleasing look.
Night latches, when engaged, will limit the sash opening while still allowing for ventilation.
Teflon® coated constant force balance system, ensures smooth, easy and maintenance-free operation on all double-hungs.
Advanced, triple-fin weather stripping wraps and seals the sash perimeter for minimum air infiltration. Triple seal on the head and sill provide 0.02 air infiltration reading.
Heavy duty double wall lift rails feature beautiful, yet a comfortable design making it easy to open and close the sashes.
Stainless steel Intercept® warm-edge spacer system reduces condensation while enhancing thermal efficiency.