Offers device for crank-out casement windows, limiting opening to 4 inches FARGO, N.D. – Integrity from Marvin® Windows and Doors now offers a factory installed Window Opening Control Device on its popular Wood-Ultrex and All Ultrex Casement windows to meet the ASTM F2090-10 standard. ASTM F2090-10 was developed in response to increasing media and legislative [...]