Culverts and Drainage CSP, HDPE & Concrete Box culverts available for pickup or delivery. We’re here to help farmers, contractors, or homeowners. CSP Culvert Corrugated Steel Pipe (CSP) offers the optimum combination of strength, flexibility and performance. HDPE Culvert BOSS 2000 is a dual-wall corrugated HDPE with a smooth inner wall, ranging from diameters of 100mm to 1500mm. Farm & Forestry Culvert BOSS 2000 HDPE Culvert is also available in 210 kPa pipe stiffness for applications where CSA certification is not required. Concrete Box Culvert Concrete Box Culverts manufactured with stacked top and bottom boxes, designed for increased flow. Subdrain Solid, Perforated and Perf Socked in stock. Offering rolls from 100′ through 2,100′ for farmers, contractors, and homeowners. Telephone Pole Culvert HDPE Culvert is also available in 210 kPa pipe stiffness. Used for vertical installation while setting and securing telephone poles. Couplers & Fittings HDPE & CSP couplers, fittings, and accessories. Including soil tight couplers, tees, wyes, elbows, manholes, catch-basins and more. Stormwater Chambers Stormwater storage chambers capture and store stormwater in underground chambers. Meets or exceeds ASTM/CSA standards. Plastic Catch Basins Catch Basins capture and manage runoff water with multiple drain line connections. For residential or municipal applications. Culvert Flares Flared culvert ends transition from the culvert to the environment. Improving flow and improving appearance. Concrete Catch Basins Concrete Catch Basins for stormwater collection. Available in 2’x2’x4′. OPSD 705.010, 705.020, 705.030, 705.040.