Patio rollers What are Patio Door Rollers? The function of patio door rollers allow you to open and close patio doors with ease. Patio Door rollers are located at the bottom of the sliding patio door and can be replaced when worn or broken. There are various types of patio door rollers and will be further detailed in this blog. Types of Patio Rollers CA863 The most popular sliding patio door roller and is used for many different types of sliding patio doors, including Timber, Aluminium and Upvc. The CA863 is a Tandem wheeled roller with an adjustable carriage. The diameter of the roller influences the carrying capacity, larger the diameter greater the load. The CA863 is supplied in pairs and the fixing bolts are included. Measurements of the CA863: Wheel diameter 38mm, Wheel Height adjustment 40-49mm, Body width 18.5mm and Body height 30.5mm. D1973 This stainless steel patio roller is specially designed to be used with timber inline sliding patio doors. D1973 patio rollers c