Products

Henshaw Drainage acts as a preferred distributor and installer for several well-known drainage systems manufacturers. Their key preferred brands include:

• Eric’sons DuraTrench — Known for their precision-built, factory-sloped channels and installer-friendly features, DuraTrench products are designed to reduce field labor while delivering superior hydraulic performance. The product line includes standard and custom trench drains, TrueRadius™ curved drains, slotted drains, stainless steel sanitary systems, and utility trenches—each available in a range of sizes, materials, and grate options to suit a wide variety of commercial, industrial, and municipal applications. As a master distributor, Henshaw Drainage proudly offers the full range of DuraTrench solutions with local support and expertise.

• ADS (Advanced Drainage Systems) — a leading manufacturer of high-performance water management products, including HDPE pipe and fittings. Henshaw is proud to be the largest stocking distributor of ADS products in Virginia, offering a wide range of pipe sizes from 4″ to 36″, along with corrugated metal pipe up to 144″, box culverts, and multi-plate structures. We also carry key ADS product lines such as StormTech chambers for underground stormwater storage, Nyloplast drainage structures, InsertaTee lateral connections, and HP Storm pipe for advanced conveyance solutions.

• Contech Engineered Solutions — a trusted provider of stormwater management and infrastructure solutions, specializing in corrugated metal pipe, box culverts, and related drainage structures for erosion control and large-scale civil projects. Henshaw proudly stocks a wide range of Contech products, including HEL-COR, Ultra-Flo, and CORLIX pipe systems, as well as innovative stormwater treatment solutions like Jellyfish Filter, Filterra bioretention systems, and Stormceptor hydrodynamic separators.

• NDS (National Diversified Sales) — a leading manufacturer of water management solutions for residential, commercial, and landscape applications. Henshaw carries a selection of NDS products including Spee-D Channel, Dura-Slope trench drain systems, EZ-Flow French drains, and Flo-Well dry well systems—offering flexible and effective solutions for surface and subsurface drainage needs.

• StormRax™ — is a patented line of fiberglass‑reinforced HDPE trash racks and debris cages designed to protect stormwater outlet structures from clogging by surface debris. Made in the U.S. since 1997, these racks offer excellent structural strength while remaining corrosion- and UV-resistant, lightweight, and quick to install. They are a cost‑effective and environmentally friendly alternative to galvanized or painted steel racks, with fast manufacturing turnaround (often in 2 days) and broad applicability across concrete, metal, or plastic structures

• Zurn — known for drainage grates, linear drains, trench and slot drains, and flow control systems used in commercial and industrial projects.

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• Mar Mac — manufacturer of box inlet systems, structure inlets, and sediment-control solutions typically utilized in roadway and municipal drainage.

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These established brands align with Henshaw’s core product lines – linear drains (trench/slotted drain systems), custom-fabricated components, and pipe drainage systems — covering materials like steel, stainless steel, plastic, and fiberglass, across a wide range of widths, depths, and grate options.

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Together, Henshaw Drainage and these partner brands offer robust, flexible drainage solutions suited for heavy-duty commercial, municipal, and industrial applications.