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 200-DIL-E-DC – DI Long Grate, ADA/HP, 1/2 Meter, Load Class "E", 8" Width 200-DIL-E-PS-DC – DI Slotted Pro-Snap Grate, ADA/HP, 1/2 Meter, Load Class "E", 8" Width 200-DIS-C – Slotted Grate, ADA/HP, 1/2 Meter, Load Class "C", 8" Width 200-DIS-C-PS – Ductile Iron Slotted Pro-snap Grate, 1/2 Meter, Load Class "C", 8" Width 200-DIS-F – DI Slotted Grate, ADA/ 1/2 Meter, Load Class "F", 8" Width 200-DIS-F-PS – DI Slotted Pro-Snap Grate, 1/2 Meter, Load Class "F", 8" Width 200-GRP-C – GRP Slotted Grate, ADA/HP, 1/2 Meter, Load Class "C" 8" Width 200-SSM-C – SS Mesh Grate, 1/2 Meter, Load Class "C" 8" Width 200-SSS-E – 1/2 Meter, Load Class "E" SS304 Slot Grate 200-SSWW-A – SS Decorative ADA/HP Grate, 1/2 Meter, Load Class "A" Width 8" 200-SSWW-C – SS Decorative ADA/HP Grate, 1/2 Meter, Load Class "C" 8" Width 200-VB-A-DC – Vinyl Bar Grate, ADA/HP, 1/2 Meter, Load Class "A" 8" Width