Custom Color FRP SMC Composite Drainage Channel Manufacturer | Fiberglass Linear Trench Drain System

Winwin PP plastic drainage channels are integrally injection-molded from high-impact modified polypropylene material. Featuring lightweight rigid one-piece structure, the plastic channel boasts excellent anti-crack toughness and stable structural rigidity. It is frost-resistant, waterproof, aging-proof, and highly resistant to diluted acids, alkalis, garden sewage and underground soil corrosives, with low water absorption and long buried service life.

Corrosion resistance stands out as the core strength of our FRP SMC trench channels. The non-metallic composite matrix resists acid, alkali, salt spray, de-icing agents and chemical runoff, making it immune to electrochemical rust. It tolerates extreme temperature ranges from -40℃ to 180℃, with excellent anti-UV and anti-aging performance for 30+ years service life. Modular socket joint design enables quick splicing without complex sealing accessories, cutting on-site construction labor and time costs significantly. Knockouts are supplied free for customized pipeline outlets as required.

This multi-purpose FRP SMC drainage system fits a wide range of general engineering scenarios. It is widely adopted for pedestrian plazas, residential communities, commercial parking lots, factory workshops and park landscaping. We supply complete matching accessories including A15-D400 load class covers, inspection pits and end caps. All sizes can be customized based on project drawings, with full technical datasheets and installation guidance provided for global contractors and distributors.

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.