The grates are made of polyester or vinylester resins reinforced with glass fiber (TWS). KP-type TWS grates replace steel, galvanized and acid resistant steel, wood, rubber, etc.

Advantages and versatility of using TWS deck grating decrease their operating costs compared to steel grates.

Deck grating KP and stair steps SP should be mounted to the load-bearing construction using fastening elements. The lack of fastening or use of other mounting methods than those recommended by the manufacturer does not guarantee their proper operation and releases the manufacturer from warranty obligations. In case the grates are mounted by the user each deviation in the method of mounting requires a written consent of the manufacturer.