Ultrex Series Fiberglass Windows

Low profile lock for smooth ergonomic operation with positive detent, so you know when your window is locked.
More wood to the interior for an even more beautiful appearance.
Smaller, more ergonomic tilt latches allow for easier tilting and removal of both sash.
Features first-of-its-kind tilt latch hook is fastened to the balance tube and marries the sash and frame together in the closed position. Ensures proper operation by requiring the sash to be in the open position prior to tilting.
Self-sealing corner keys, all new weatherstripping, thick sloped-sill, and more robust hardware mean more durability and minimum DP40 rating (High Performance Kit meets DP 50)

Available Styles

May - Special Offer

Marvin Integrity

50% Off for Limited Time!

Starting from
$998 $499*
per window

Or call us for help:

1-877-734-1431

* With purchase and installation of 7
or more (windows/doors). Additional installation charges may apply.

Green is IN!