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(207) 622-6229 info@kenway.com

Fiberglass Pipes

Composite & FRP Bridge Drainage Pipes & Components


Kenway provides a range of composite bridge drainage pipes and drainage components that are highly resistant to calcium and road salt corrosion. Products include standard fiberglass bridge drain pipes, custom bridge drain scuppers, and engineered bridge drain piping and collection systems.

Not only can we supply all standard pipe and fittings, but we specialize in the manufacture of custom configured fittings and appurtenances. Our deck scuppers come in some standard (Type A, B, C….) and custom configurations. We can provide a bar or round grating in stainless steel, galvanized or FRP that meet all applicable ASHTO (HS20-44 and HL93) standards. We can build custom collection hoppers to deal with unique situations that can arise when retrofitting old steel drain pipe on an existing bridge structure.

We design all our bridge draining system components for very long and reliable service life. We add UV inhibitors and waxes to our resin system to ensure the maximum resistance to the elements. Kenway will pigment the resin to match any color that the customer requires, and this allows the color to be consistent throughout the laminate. The standard piping that we offer includes a 50 mil corrosion barrier but can be customized to suit any specification.

Replacement of existing steel bridge drainage components with durable FRP alternatives increases service life and reduces overall installation costs due to reduced support system requirements and ease of handling.

Advantages of FRP Bridge Drainage Systems Include:
Highly Corrosion Resistant to all DOT Maintenance Chemicals
Lightweight at 20% the Weight of Steel and Iron
Easily Transported and Handled No Large Cranes Required
Customizable for any Application
Very High Strength to Weight Ratio
Uniform Color Throughout
Resistant to any Environment Including Salt Water
Can be Installed Elevated and Direct Burial
Easily Repaired in Place in the Event of Damage
Rebar and Support Plates can be Incorporated into the Fabrication

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