Josam PRO-PLUS®Trench Drain System
Discover the PRO-PLUS® Difference. Advanced SMC/GRP (Sheet Molding Compound/Glass Reinforced Plastic) trench drain system offering lighter weight, stronger construction, and less expansion/contraction than polymer concrete, polypropylene, and HDPE.
PRO-PLUS Trench Drain Products
Superior performance through advanced SMC/GRP material technology for commercial and industrial trench drainage.
PRO-PLUS 100 Series
4" internal width SMC/GRP trench drain system with channels and grates for standard commercial and light industrial applications.
Standard Commercial, Light Industrial
PRO-PLUS 200 Series
8" internal width SMC/GRP trench drain system with channels and grates for high-capacity commercial and industrial applications.
High-Capacity Commercial, Industrial
Where PRO-PLUS® Trench Drains Are Installed
Related product types
- Trench drains overview — see how SMC/GRP compares with polymer concrete and HDPE channel.
- Drainage grates — EN 1433 Class A–F ductile iron, stainless, GRP, and vinyl grates.
- Load rating guide — match A15/C250/E600/F900 classes to your traffic.
Common applications
- Loading docks and warehouses — Class E forklift and delivery traffic.
- Car washes and gas stations — corrosion-resistant GRP channel.
- Airports — heaviest-duty Class F grate options.
Need PRO-PLUS Trench Drain Solutions?
Our drainage specialists can help you discover the PRO-PLUS difference and select the right channel and grate combinations for your project.