The 25mm high commercial threshold kit is designed to create a watertight seal between roller shutters or sectional doors and the floor, effectively sealing gaps of up to 25mm. This threshold also acts as a barrier against leaves, dust, and debris, helping to maintain a clean and dry environment. Constructed from durable aluminum extrusion, it can withstand heavy traffic while its low profile allows for easy passage for vehicles without obstruction. The kit consists of seamless, interlocking sections of aluminum for straightforward installation. The main feature of this product is that when affixed to the floor and screwed in place, it creates a watertight seal which will waterproof your premises against standing water up to 25mm high. This will naturally prevent any rainfall, leaves, and other things the wind brings with it from going into your warehouse or factory which will leave you with a dry and clean environment.