One illustrative embodiment of a tile & support structure may be configured to secure the position of a tile in a generally vertical configuration, such as the riser of a step, as a border around a portion of a deck, a building and/or wall faade, ventilated faade, interior or exterior wall covering, or other generally vertical surface. The support structure may be formed with a spine having at least one rail extending outward from a distal end thereof. The spine and rail(s) may be configured to secure one or more tiles, which tiles may be formed with a groove on at least one edge thereof, and wherein one or more rails may be positioned within the groove.

The present invention discloses a wood-plastic composite floor for sports, comprising panels, keels and shock-absorbing pads; the plurality of panels are arranged side by side, and the adjacent panels are spliced with each other; the keels comprise main keels and secondary keels; the plurality of main keels are arranged side by side at intervals, the plurality of secondary keels are arranged side by side at intervals at the tops of the main keels, the secondary keels are arranged in the direction perpendicular to the main keels, and the plurality of panels are arranged at the tops of the secondary keels; and the shock-absorbing pads are arranged at the bottoms of the main keels. The wood-plastic composite floor in the present invention is stable in structure and convenient in installation and has anti-corrosion and moisture-proof performance.