The standard (MOL) is a single panel, and is ideal for fixed windows where ventilation is not a major factor. This unit lifts out for easy cleaning. Large, undivided units can be provided, but the use of a (1-1/4”) glazing muntin can eliminate the need for heavier glass. Glazing thickness is (1/8") or (5/32").
For large openings requiring the stacking of two (2) or more panels, and the units require (3/16") or (1/4") glazing. The (MMOL-ST) utilizes a marine-glazed frame, a deeper handle rail. and a heavy-duty horizontal mullion.
Additional protection is achieved through the use of (1/4") laminated glass, or polycarbonate.