Since 1955, Columbia Manufacturing Co. Ltd., the leading Canadian skylight manufacturer, has produced products of the highest quality, designed to meet the challenging demands of our climate. Our product line is innovative and utilizes industry leading materials. Our gold standard warranty supports our product line, and it has withstood the test of time. Our Curb Mount Acrylic Dome skylight is ideal for flat roof applications preventing moisture from accumulating on a flat surface such as glass. Double glazed clear acrylic is the industry standard and maximizes the amount of light coming into your home. Curb Mount skylights are the preferred skylight choice in Canada for any type of roof; primarily for use on tile, shingle or wood shake roofs. Recommended by roofing professionals as the optimum choice for long lasting, trouble free installation.