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Double Q Dual Wall HDPE Pipe
DOUBLE Q® is a dual wall HDPE pipe that is annularly corrugated on the exterior and has a smooth interior for increased flow capabilites. DOUBLE Q® pipe is a high performance product that is strong and durable, offering a soil tight joint. DOUBLE Q® is made of high density polyethylene plastic and lends itself to heavy construction projects:
  • Road culverts
  • Agricultural projects
  • Environmentally sensitive projects
  • Sport Fields
  • Golf Courses
  • Irrigation

It is also lightweight and easier to install than other types of materials, yet it offers superior weather resistance. DOUBLE Q® won't corrode, crack or shatter, and it is not affected by freeze/thaw cycles.

Double Q Pipe

DOUBLE Q® pipe is available by special order with perforations. It comes in diameters of 4", 6", 8" and 10"; and 12" - 24" (in varying lengths). Call for more information.

Download the specification sheet PDF



Quality Culvert's corrugated polyethylene pipe meets ASTM Standard F405, ASTM Standard F667, AASHTO Standard M 252M(s), and AASHTO Standard M 294(s). Installation references: State, County and Local Specifications and/or Project Engineer's Requirements; ASTM D2321; CPPA – Tech Book – - Recommended Installation Practices for Corrugated Polyethylene Pipe and Fittings.

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