The present invention relates to a simulated wood surface covering which is particularly useful in decking and flooring applications, said simulated wood surface covering being comprised of strips adapted to be interconnected aside of each other thereby forming an assembled simulated wood surface covering of desired dimensions to cover a substrate, wherein the strips are adapted to be interconnected through shiplaps having tongues and rabbets, wherein the rabbets have an included angle which is within the range of 70.degree. to 89.degree., wherein the strips are comprised of a plastic composition which is comprised of polyvinyl chloride, a non-migrating plasticizer, and a coloring agent, wherein the strips have sufficient flexibility to conform to curved surfaces and to surface irregularities, wherein the upper surface of the strips are roughened to imitate the grain structure of wooden material.