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HiMark by Okna – 800 Double Hung Windows

The HiMARK 800 Series is our Ultra Premium Vinyl Replacement Window, and is the top performing double hung window in the Milwaukee area. This is a fact backed up by independently tested performance ratings including U factor, air infiltration, and design pressure. Performance = Quality!

Craftsmanship and Performance

The 800 Series combines superb craftsmanship with an old world look and feel. This Series offers a myriad of glass and structural options to seamlessly blend with any décor while providing the utmost in energy efficiency, tailored specifically for our Milwaukee climate. Since all HiMARK products are custom-made, you can be sure of a perfect fit every time.

Beauty and Selection

The HiMark 800 is truly the best blend of performance, appearance, viewable glass area (maximized), and quality among all replacement windows on the market today. This vinyl replacement window is offered in double hung, slider, picture window, bay, bow, and garden window configuration. For the top performing casement window on the market, see the HiMark by Okna 700 series casement and awning window line.
HomeSealed Exteriors is the EXCLUSIVE source for the Himark by Okna window line in the Milwaukee area, contact us today for a free price quote.