Whether you are creating curved or straight walls, the classic hard-split, straight-faced KINGS-wall will get the job done. Capable of wall heights up to 42″, the KINGS-wall system is a permanent and maintenance free retaining wall system. KINGS-wall’s durability and ease of installation has made it a popular choice for both contractors and homeowners since 1991. Available in six different colors, KINGS-wall is sure to improve the aesthetics of any property.