Corrugated Riser

Riser rated fire retardant corrugated duct are designed to protect existing cables and facilitate future cable installation or replacement. When tested to UL2024/UL910 (CSA FT-4), Dura-Line's Corrugated Riser is a low-smoke producing and fire resistant as defined by the American "National Fire Protection Association" when rating cables as suitable for use in ducts, riser spaces.

We offer an extensive portfolio of US-made conduit products and accessories that conform with several domestic preference standards, including Buy America (BAA), Build America, Buy America (BABA), and DOT Buy American requirements. Any products including a locate wire or preinstalled cables, will need to be specifically evaluated. FIre Retardant Resins may also require additional evaluation to meet program guidelines. Please contact your Dura-Line representative for more information.