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 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 100-CIS-C-DC – Cast Iron Solid Cover 1/2 meter, Load Class "C" 4" Width 100-DIL-C-DC – DI Long Slim Slot ADA/HP Grate, 1/2 meter, Load Class "C" 4" Width 100-DIS-C – DI Slotted Grate, 1/2 meter, Load Class "C" 4" Width 100-GRP-C – GRP ADA/HP Grate, 1/2 Meter, Load Class "C", 4" Width 100-GSP-C – Galvanized Perf Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width 100-GSS-C – Galvanized Slotted Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width 100-SSM-C – SS Mesh Grate, 1/2 Meter, Load Class "C" Width 4" 100-SSP-C – SS Perforated Grate, ADA/HP, 1/2 Meter, Load Class "C" 100-SSS-C – SS Slotted Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width 100-SSWW-C – SS Decorative Grate, ADA/HP, 1/2 Meter, Load Class "C" 4" Width
