All Swiftdrain trench drain grates can be furnished bolted for extra security. Heavy duty trench drain grates have 4 stainless steel bolts per 24″ section. Channel systems have different bolting options to ensure the grates are securely fastened to the frame. Use cases of bolted trench drain grates are airports so the grates don’t get sucked into the engine or in large metropolitan areas where grates may be stolen for scrap value.
Whenever an added layer of stability is needed or some extra security different bolting mechanisms can be employed to ensure the grates are properly fastened to the frame.