【Heavy Duty Channel Drain Grate】This heavy duty metal drain grate is made of durable ductile cast iron, which has higher strength than ordinary gray iron drain grate and steel drain grate, both tensile strength and yield strength. And it also has better toughness. Sturdy enough to pass common cars.

【Anti-rust Treatment】The surface of each cast iron drain grate has been re-treated with asphalt before delivery, making the surface more smooth and not easy to rust. However, there may be a little pungent smell, which is normal and will not do harm to the health.

【Reinforcing Rib】The back of channel drain grate for garage is reinforced with bars. And each bar is thickened and widened. This make sure the heavy duty and high strength of the outdoor drain grate.

【High Strength】The load capacity of these garage floor trench drain grates is 6600lb. 1.5 in height keeps the trench drain grate sturdy enough to pass the common cars. Don't worry about damaging. Nice perforcmance for garage.

【Multiple Using Occasions】The outdoor trench drainage grates are application for draining in various occasions, such as driveway, garage, parking lot, factory, traffic, industury area and so on .