PRO-PLUS® Trench Drains Josam revolutionized the drainage industry with the PRO-PLUS® Trench Drain System. It's manufactured using glass-fiber reinforced polyester (GRP) pressed from sheet molding compound (SMC), which is a composite of polyester resin, mineral fillers, and glass -fiber mats. SMC is a tried and tested GRP material with extremely high strength and dimensional stability. Learn more here Filter by PRO-PLUS® 100 Grates 100 PRO-SNAP® Grates Load Class A Load Class C Load Class F 100 Locking Bar/Bolt Down Grates Load Class A Load Class C Load Class E Load Class F PRO-PLUS® 200 Grates 200 PRO-SNAP® Grates Load Class C Load Class E Load Class F 200 Locking Bar/Bolt Down Grates Load Class A Load Class C Load Class E Load Class F 100-DIS-C-PS – DI Slotted Pro-Snap Grate, 1/2 Meter, Load Class "C" 4" Width 100-DIS-F-PS – DI Slotted Pro-Snap Grate, ADA, 1/2 meter, Load Class "F" 4" Width 100-GSS-A-PS – Galvanized Slotted Pro-Snap Grate, ADA/HP, Load Class "A" 4" Width 100-GSS-C-PS – Galvanized Slotted Pro-Snap Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width 100-HDPE-A-PS – HDPE Perforated Pro-Snap Grate, 1/2 Meter, Load Class "A" 4" Width 100-SSS-A-PS – SS Slotted Pro-Snap Grate, ADA/HP, 1/2 Meter, Load Class "A" 4" Width 100-SSS-C-PS – SS Slotted Pro-Snap Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width
