Slot Drains & Slot Drainage Channels 1m - A15 B125 C250 D400 Rated

Slot Drains — Narrow-Opening Channel Drainage

Slot drains adopt a narrow top opening design. They deliver efficient surface water drainage while offering a sleeker, less obtrusive appearance compared to conventional grated channels. We offer pavement slot and narrow threshold slot types, suitable for light pedestrian and residential applications.

Winwin slot drains are manufactured by Fujian Winwin Group, a producer of linear drainage channels, Polymer concrete drainage channel, PP trench channel and stainless steel slot drain covers. These grateless systems provide discreet surface water management for patios, thresholds, and driveways while maintaining high flow capacity.

Features & Materials

• Discreet Design: Replaces traditional bulky grates with a narrow, near-invisible linear slot opening.

• Durable Construction: Built using corrosion-resistant materials such as stainless steel and galvanised steel.

• Load Ratings: Ranging from light-duty pedestrian use up to heavy commercial vehicle traffic classes (A15 to C250/D400).

Common Applications

• Thresholds: Placed directly outside patio doors and building entrances to prevent water pooling.

• Driveways & Patios: Integrates flush with block paving, stone, or concrete slabs.

• Public Walkways: Safe for heels and wheelchair users due to narrow inlet widths

Type of Steel SlotDrain Cover

• Winwin slot drains are available in single-slot or multi-slot designs.

• Each slot width ranges from 7 mm to 20 mm, with 10-15 mm as the standard option.

• For pedestrian-friendly areas such as shopping malls and plazas, a 7 mm slot width is often used to prevent women’s high heels from getting stuck.

• Raw Materials:201, 304, 316, 316L stainless steel

• Stainless Steel Thickness:1.5 mm, 2 mm, or customized as required

Drawings for Slotted Drainage Cover

Material for Drainage Channel Protection edge

Drawings of Size for Polymer Concrete Drainage Channel

Size Chart for Winwin Polymer Concrete Drainage Channel

Winwin Polymer Concrete Channels are manufactured using resin as the bonding agent, combined with high-quality mineral aggregates. This makes polymer concrete an extremely compression-resistant building material, capable of withstanding heavy loads while offering exceptional durability and a long service life.

Polymer concrete features non-flammable, frost-proof and excellent weathering resistance properties. It also offers reliable resistance to diluted acids, alkalis and various chemical substances, ensuring stable performance in diverse environments.

Winwin BrickSlot Drainage System overview

Winwin SlotDrain Systems

Winwin slot drain covers, paired with polymer concrete drainage channels, feature a sleek, low-profile design that ensures efficient water drainage while blending seamlessly with surrounding pavement.

With high chemical resistance and a lightweight structure, the system significantly reduces installation time and long-term maintenance costs.

Ideal for commercial plazas, retail parking lots, restaurant patios, residential driveways, outdoor landscape drainage systems, such as business street,shopping area,high-grade community,hotels,gardens this complete paveslot drain system or brickslot drainage system delivers reliable performance for light to medium traffic areas and complies with strict environmental standards for sustainable municipal infrastructure projects.

Drainage Channel With Slot Drain Cover

The advantage of Polymer Concrete Channel

(1) Robust, durable, stable and lightweight.

(2) High compressive strength, bending strength and impact resistance, with excellent anti-corrosion performance.

(3) Resistant to abrasion, weathering, water penetration and freeze-thaw cycles.

(4) Simple structure, safe and convenient to use; solid structure with strong load-bearing capacity, long service life, smooth surface, easy maintenance, anti-aging, anti-corrosion, anti-cracking, frost-resistant, non-flammable, zero water absorption, and high resistance to chemical and biological attack.

(5) Long service life: over 50 years under normal working conditions.

(6) Fast and high-volume drainage, easy to clean with removable or inspection grating covers; equipped with a combined sump and sediment bucket to solve the accumulation and blockage of daily garbage such as sand, mud, sediment and rubbish, and free of peculiar smell.

(7) Load capacity: from Load Class A15 to F900 (up to 90 tonnes).

(8) Unique U-shaped design with an ultra-smooth surface for efficient hydraulic flow, improved drainage capacity and flow rate, and self-cleaning function; no contamination hazard.

(9) Easy to install, durable, cost-effective and requires minimal maintenance.

Polymer Concrete Material Properties

Applications for Slot Drain

Slot drain features an elegant, concealed design that integrates discreetly into the ground, leaving only a 7–20 mm wide linear slot visible.

It is an ideal drainage solution for high-standard outdoor landscape projects, including commercial streets, shopping areas, high-end communities, hotels, gardens and other aesthetically demanding environments.

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, 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). 

Our 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.