If you are looking for a good backyard design service with interlocking, I recommend going to backyard interlocking. They are interlocking professionals and offer a wide variety of materials and designs. Their team of experts can help you develop a unique design that fits your preferences and budget. They guarantee the quality and durability of interlocking as well as provide installation services. I am very pleased with the result and recommend contacting them if you want to create an attractive backyard covering using interlocking.