Zaleski Snow-Guards for Roofs, Inc. now makes AceClamp Roof protection available. The rail snow retention products are commonly used on metal, shingle, slate and membrane roof types. This rail type protection is perfect for commercial rooftop protection. Zaleski Snow-Guards is the region's leading commercial and municipal snow guards vendor. The snow guard products we distribute are top quality and are manufactured in the USA. Protecting pedestrians and passers-by from avalanching snow and ice