Replacing a pocket door means removing the old door and track assembly, then installing a new one in the same opening

A pocket door slides into a wall cavity instead of swinging out into the room. When one stops working smoothly, gets damaged, or you straightforward want a new one, you remove the entire assembly—door, track, rollers, and frame—and install a replacement. The job takes a weekend and requires basic tools: a screwdriver, hammer, pry bar, tape measure, and a level. You do not need to cut into the wall or hire a carpenter unless the opening itself is damaged.

The hardest part is usually getting the old door out without breaking the trim around the opening. Once it is out, the new installation follows a straightforward sequence: set the frame, hang the track, install the rollers, hang the door, and adjust it until it slides smoothly and closes flush.

Key Takeaways

  • Remove the old door by sliding it out partway, lifting it off the bottom track, and then unbolting the frame from the wall studs.
  • Measure the opening width, height, and depth before ordering a replacement kit, because pocket doors are sized to fit specific openings.
  • Install the new frame first, checking it with a level, then mount the track and hang the door on its rollers.
  • Adjust the door height and side-to-side position using the roller screws until it glides smoothly and closes without binding.
  • Pocket door kits come with all hardware; you supply only the door slab itself if you are not using the kit door.

Measure the opening before you buy anything

Pocket doors come in standard sizes, and the frame kit you order must match your opening. Measure three things: the width of the opening (side to side), the height (floor to top of frame), and the depth of the wall cavity (how thick the wall is). Write these down and bring them to the home center or check them against the kit specifications online.

If the opening is not a standard size—say, 32 inches wide instead of 30—you have two choices. You can order a custom frame kit, which costs more and takes longer to arrive, or you can buy the closest standard size and have a carpenter adjust the opening. For most homes, a standard 30-inch or 36-inch door will fit without modification.

Also check whether the wall cavity is deep enough for the track assembly. A typical pocket door needs 4 to 5 inches of wall depth. If your wall is thinner—some older homes have 3.5-inch walls—you may need a shallow-mount kit.

Remove the old door and frame

Start by sliding the old door toward the opening until you can see the bottom track and rollers. Lift the door straight up off the track—it will come free once the rollers clear the track rail. Set it aside; you can reuse it if it is not damaged, or discard it.

Next, remove the trim around the opening on both sides. Use a pry bar to gently separate the trim from the wall, working from the bottom up. Do not hammer; pry slowly so the trim does not split. Once the trim is off, you can see the frame bolts that hold the assembly to the wall studs.

Unbolt the frame from the studs using a socket wrench or adjustable wrench. There are usually four to six bolts—two or three on each side. Once the bolts are out, the entire frame assembly will pull away from the wall. You may need to tap it gently with a hammer to break it free from any caulk or paint.

Install the new frame and track

Set the new frame into the opening and check it with a level in both directions—side to side and front to back. Shim it (use thin wooden wedges) until it is perfectly plumb and level. This step matters: if the frame is tilted, the door will not slide smoothly.

Once the frame is level, drill pilot holes through the frame mounting holes into the wall studs, then bolt it down. Use the bolts and washers that came in the kit. Tighten them snugly but do not over-tighten; you can crack the frame.

Now mount the track assembly to the top of the frame. The track is a metal rail that runs the width of the opening. Slide it into the frame slot and bolt it down according to the kit instructions. Check that the track is level; if it tilts, the door will roll to one side.

Hang the door on the rollers

The rollers are small wheels that ride inside the track. They bolt to the top of the door slab. If you are using a new door that came with the kit, the rollers may already be attached; if not, bolt them on now, making sure they are centered on the door edge.

Lift the door and guide the rollers into the track. You may need a helper for this step—the door is heavy and awkward. Once the rollers are seated in the track, the door should hang freely and slide smoothly from side to side. If it binds or sticks, the track may not be level; go back and check.

Install the bottom guide—a small bracket that keeps the door from swinging out as it slides. This bolts to the floor or the frame at the opening edge. The guide does not support the door's weight; the rollers do. The guide just prevents side-to-side wobble.

Adjust the door until it slides smoothly

The rollers have adjustment screws that let you raise, lower, and shift the door side to side. Slide the door fully open and look at the top. You will see two screws on each roller assembly—one for height, one for side-to-side position.

Turn the height screw clockwise to raise the door, counterclockwise to lower it. The goal is to have the door sit evenly in the opening with a small gap (about 1/8 inch) at the top and sides. If the door is too high, it will bind at the top when you close it. If it is too low, it will drag on the floor.

Once the height is right, adjust the side-to-side screws so the door is centered in the opening. Slide it open and closed several times. It should glide smoothly without sticking or making noise. If it still binds, the track may not be level; check again with a level.

Reinstall trim and test the final fit

Once the door slides smoothly, reinstall the trim around the opening. Use the old trim if it is not damaged, or buy new trim that matches your door style. Nail it to the frame and wall studs, not to the frame itself, so the frame can move slightly without cracking the trim.

Close the door fully and check the fit. The door should close flush with the frame on all sides, with no gaps. If there is a gap at the top or bottom, adjust the rollers again. If the door does not close all the way, the frame may be slightly out of square; shim it and re-bolt.

Install the door handle and latch if your kit includes them. Most pocket door handles are surface-mounted on the door face. Bolt them on and test the latch. The door should stay closed when you release it and open smoothly when you pull the handle.

Frequently Asked Questions

Can I reuse my old door slab with a new frame kit?

Yes, if the door is not warped or damaged. Measure its width and height, and make sure they match the new frame opening. You will need to bolt the new rollers to the top of the old door before hanging it on the new track.

What if the door binds or sticks after I install it?

Check the track level first—even a slight tilt will cause binding. If the track is level, adjust the roller height screws. Raise the door slightly and test again. If it still sticks, the frame may be out of square; use shims to correct it and re-bolt.

How much does a pocket door replacement kit cost?

Standard kits range from $150 to $400 depending on size and quality. Custom kits for non-standard openings cost more. The price usually includes the frame, track, rollers, and hardware but not the door slab itself.

Do I need a helper to install a pocket door?

A helper makes the job easier, especially when lifting the door onto the track. You can do it alone, but you will need to prop the door carefully to avoid dropping it or pinching your fingers.

What if my wall cavity is too shallow for a standard pocket door?

Order a shallow-mount kit, which uses a thinner track assembly. These are made for walls 3.5 inches thick. If your wall is even thinner, a pocket door may not fit; a swing-out door or a sliding barn door are alternatives.