Repair Patio Door Thresholds Quickly There is no need to replace a complete threshold when only the screen door rail is damaged.CRL Screen Door Rails install quickly with rivets screws or sealants. The rail is 15/16 inch (23.8 millimeter) wide and 5/16 inch (7.9 millimeter) tall at the top of the rail. We recommend using M66GRY or 777GRY for this application.Sliding Glass Rails Sill Track Cover Threshold Replacement Kits and OEM Replacement Thresholds are also available.
- Repair Patio Door Thresholds Quickly
