Garage door retainers are used with bottom seals and come in widths of 1 3/8”, 1 ½”, 1 ¾”, 2”. At SSC we offer astragal, universal and aluminum retainers in T and L options. We also carry adaptor rails for shiplap to tongue and groove and tongue and groove to shiplap. Available in multiple lengths of 8’, 9’ and 16’.