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HiMark by Okna – 700 Vinyl Casement Windows

himark replacement windows Did you know that the casement (crank-out) window style offers the best thermal and structural performance among window styles? The Okna 700 series vinyl casement window is one of the the top performing windows that money can buy, however you won’t pay a top price. A narrow-lined frame and industry best u-value and air infiltration ratings make the Okna casement the easy choice in Milwaukee for home windows.   Casement windows Milwaukee   Okna casement window ratings