The Insul-Tec 500 Series window offers outstanding thermal performance and exceeds the most rigorous Energy Star Requirements.
Insul-Tec 500 Series – Double Hung
Full 3¼” Depth Welded Mainframe with beveled colonial exterior features curves that are not only beautiful, but also allow for maximum weld surface resulting in strength and years of long lasting performance.
Heatseal® warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window.
Full integral interlock with double weather-stripping.
The optional Auto-Lock features an exclusive automatic locking system which is easy to engage.
Heavy gauge fully extruded handles on both sashes.
Fiberglass mesh half screens standard on all windows.
Optional locking screen provides an additional safety measure.
Available in Replacement and New Construction applications.