Anti-Corrosion GRP SMC Drainage Channel | Fiberglass Trench for Coastal & Chemical Zones

Our lightweight FRP linear drain trenches are crafted from low-density fiberglass reinforced plastic, weighing only 1/4 of cast iron and half of polymer concrete channels. The slim U-shaped profile creates neat linear drainage lines for commercial decorative projects, with customizable matte color finishes to match building facade styles. The seamless inner surface accelerates rainwater discharge and reduces clogging from leaves, sand and floating debris, ideal for low-load pedestrian and light commercial environments.

As flexible GRP composite products, these lightweight drainage channels deliver convenient handling and installation for small & medium commercial projects. Single sections can be manually moved without heavy lifting machinery, shortening construction cycles for shopping malls, hotel walkways, basement garages and landscape gardens. The non-conductive FRP material eliminates electric leakage hazards near power distribution areas, a unique advantage over metal drainage solutions. All standard specifications keep competitive cost for small-batch retail and renovation orders.

Designed for aesthetic and practical commercial drainage needs, this FRP linear trench system supports multiple matching covers including stainless steel slotted grates and solid composite plates. Small MOQ is negotiable for renovation and landscaping contractors, and we can produce custom short-length channels for special layout designs. Complete installation manuals and cutting guides are attached to each shipment to support fast on-site assembly without professional technical workers.

Properties of FRP SMC Composite Drainage Channels

High Strength & Durability: Engineered to withstand heavy traffic without cracking or deformation.

100% Anti-Theft: Since composite material has no scrap value, it effectively eliminates the risk of theft.

Corrosion & Weather Resistance: Unlike cast iron, FRP will not rust and is resistant to acid, alkali, and UV rays.

Lightweight & Cost-Saving: 40% lighter than iron covers, significantly reducing transportation and installation costs.

Noise Reduction: Rubber gaskets and precision molding ensure no "clatter" when vehicles pass over.

Size Chart for FRP SMC Composite Drainage Channels

Applications for FRP SMC Composite Drainage Channels

SMC gutter are modern drainage systems formed through high-temperature and high-pressure one-piece molding technology, with high-strength glass fiber reinforced composite materials as the core. They break through the limitations of traditional concrete and metal materials, integrating corrosion resistance, high load-bearing capacity, lightweight, and maintenance-free features. 

FRP trench channels adopt compression moulding process.

FRP/GRP BMC/SMC Composite Linear Drainage Channel from our Trench Cover Series. High-strength compression moulded resin composite, load class A15–D400, corrosion-resistant, lightweight, easy installation. Ideal for municipal roads, airports, industrial parks, and agricultural projects. OEM service available.

Chart of Load Class

Certificate

Founded in 2006, WINWIN GROUP has obtained authoritative certifications including CE, ISO9001, ISO14001 and ISO45001. Meanwhile, WINWIN GROUP’s drainage channels and trench covers are manufactured in strict accordance with EN 1433 and EN 124 standards, ensuring superior product quality and compliance with global market requirements.

Professional manufacturer and exporter of complete stormwater and wastewater drainage system solutions. Our comprehensive product portfolio covers polymer concrete or resin concrete drainage channels, linear trench drains, HDPE or PP or plastic drainage channels, polymer concrete or resin concrete trench channels, FRP/GRP SMC composite drainage channels, slot drain, kerb drains, monolithic drainage channel, sumps, catch basins, as well as a full range of trench grates and access covers including ductile cast iron grates, stamped steel trench covers, slotted steel covers, manhole covers and recessed access covers.

Winwin drainage products are strictly manufactured and tested in compliance with CE EN 1433 and EN 124 standards, supporting full load classes from A15 (1.5 tons) up to F900 (90 tons). 

Winwin integrated drainage solutions are widely adopted for municipal roads, parking lots, logistics parks, commercial plazas, industrial zones, hospitals, landscape projects and other public infrastructure. They apply to building drainage, municipal water supply & drainage, road works and industrial floor drainage.Compliant with international quality standards, our products effectively prevent waterlogging and safeguard the structure of surrounding facilities.

With 20 years of manufacturing and exporting experience, we provide reliable quality, stable performance and competitive prices for global customers.

Welcome to contact us for long-term win-win cooperation.