Sliding Door Panel, Interlock Weather Strip Kits, Two Part Systems, A & B for Guardian PPG, Herculite and other out of production brands of sliding glass patio door replacement interlock seals. Adaptable to many older patio doors in order to prevent air flow between the closed panels.

Wood Sliding Patio Door Interlock Weather Strip Kit as Shown - please note that this is a modern style universal unit and most likely will require some field adjustments and fitments. Shorter door units will require field cutting and fitments and depending on age of old doors possibly some spacers for interlock fit. This Special-Order Interlock Weather Seal Kit consists of (1) Stationary Panel and One (1) Interlock Operating Panel Side (AS SHOWN) and are sold as a kit for field adaptable installations. These parts are special order Items and not returnable.