How to Install a Sliding Closet Door


During the installation of a sliding closet door, you should ensure that the opening is at least 4 feet.  This will help to ensure that when the door is slid to one side there will be enough opening to access inside the closet.

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You will need to remove the existing door completely and discard, so that the room is free of debris. You now need to evaluate the opening. If it has an exposed framing, you need to trim it out using a 1x6 finish board on standard 2x4 construction interior walls.  Start trimming from the top of the doorway by measuring the opening, cutting the new trim board, and using finish nails, nail into the framing. Then repeat these steps for both sides and use a nail set to sink the nail heads just below the surface.  Now, both sides of the door opening need to have casing applied between the new trim board and the wall.  See ‘How to Apply Door Casing’ to complete this step.  With the door opening finished, it would be best to finish this now before the new door is hung.  While the door finish dries, take your measurements of the opening to a local hardware store to get your new sliding door.

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With the new sliding door unpacked and all the pieces spread out, start by centering and mounting the top rail.  There should be mounting screws to mount the rail to the top, pre-drilling may be required to keep the rail straight and centred.  It is important that this is securely fastened as the weight of the sliding door rests on the top rail.  With the top rail installed, the bottom rail needs to be installed to the floor.  This needs to be centered as well, to make sure the doors will slide properly between the top and bottom rails.  Now is the time to hang the new doors.  The top of the door will have a guide wheel that needs to be tipped at an angle and pushed up and into the top rail, then slowly lowered to rest securely in the rail.  Sliding the first door to one side, repeat the process for the second door and then slowly slide both doors from side to side to make sure they move freely.  Now the bottom of the doors needs to be secured to the bottom rail.  At the bottom of each door there will be a clip in each corner.  These clips will slide up and down to accommodate any unevenness between the floor and top of door frame.  These clips need to be pushed and locked down into the bottom rail and locked in, keeping the door bottoms from swinging into each other.

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You can test the doors to check how the work and if there is any friction. Now, it’s time to enjoy it.

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