DECK ROAD STRUTURE

According to the present invention， a plurality of wooden deck boards; A metal deck support for supporting the plurality of deck boards; A waterproof elastic mat having an elastic layer made of an elastic material and a waterproof layer made of a non-curing waterproofing agent， the waterproof layer being attached to the deck support and interposed between the plurality of deck boards and the deck support; And a fastening piece for coupling the deck board to the deck support， wherein the elastic layer is in close contact with the deck board， and the fastening piece sequentially passes through the deck board and the waterproof elastic mat to the deck support. The non-cured waterproofing agent of the waterproof layer is provided with a deck rod structure formed together with the deck support and the screw connection portion of the piece body in the process of screwing the piece body to the deck support.