US Patent 7793470 Deck planks

A deck plank that can be quickly assembled into a deck with a water resistant seal between adjacent deck planks to inhibit water penetration and an integral drain channel that can direct rainwater away from the deck to provide a protected region below the deck with the deck plank laterally securable to a support to each other to provide a seal therebetween that inhibits the passage of moisture therebetween as well as securement to the support.