It's relatively simple to keep sliding doors, whether bypass or patio type, in good working condition. Examples of the bypass type are showers and closets, whose doors are light and variable. From a multi track pathway, they hang in order to facilitate the sliding bit. With the doors open, everything inside can be seen, which makes them the prime choice for closets.

On the other hand, there are patio doors, typically constructed from glass in wood, metal, or vinyl frame, which have one fixed panel and one or two movable ones. At the foot of the frames are rollers, which enable the movable doors to slide. A good many of these doors can be hoisted from the rail, while others must be arranged halfway down the track just so they match certain openings. It takes at least two to move a patio door.

Simple track problems can be solved with kits from window and door hardware stores. However, there are rails that need to be fixed by a professional door installer. Sliding door parts are made with precision by manufacturers, meaning they cannot be easily replaced. Parts can come from your manufacturer or your hardware store. A close equivalent can be found if you bring your original part with you.

Most problems with bypass sliding doors are track related. There are best practices for dealing with bypass doors, and they are found below. The roller brackets are the usual suspects when the bypass door does not slide open. The roller brackets are there to maintain the doors at an even level above the floor.

A wide selection of brackets is sold, though they only come in one or two wheel varieties. Whether one gets a single or double wheel bracket is dependent upon the weight of the door. The height of the door is adjustable, minus the need to dismantle the entire set up. All it takes to move the door up and down is to loosen a few screws.

Door sticks and off track doors can be blamed on loose screws, objects stuck in the track, broken rollers, or bent rails. When the wheels don't roll right, the proper treatment is powdered graphite applied to the axles. One big don't is applying oil on nylon rollers.

Catches and locks do need some grease, though. The overhead rail of bypass doors can become spotless again after being sprayed with household cleaner and wiped down with a rag. The doors should be set at the foot tracks properly to work.

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