Trex Hideaway hidden fasteners use the highest quality stainless steel. Salt water environments, seasonal changes, and extreme cold are no problem for the Trex Hideaway hidden fastener. Snow removal is made easier with the absence of emerging fasteners on the surface. The tabs, of the fastener that hold the deck boards down have more than twice the horizontal surface area than decking screws. Excellent hold down strength is one of the Trex Hideaway hidden fastener's strongest attributes.