Doors #

Skill Level: Intermediate (Level 2) #

Estimated Time: 2-3 Hours #

Introduction #

Learning how to install a pocket door is one of the most rewarding finish carpentry skills. Pocket doors are space-saving solutions that slide into the wall instead of swinging on hinges. They are ideal for small bathrooms, closets, and tight spaces where a swinging door would block traffic or furniture placement. Unlike standard hinged doors that require a clear arc of swing space, a pocket door disappears completely into the wall cavity when opened, freeing up valuable floor area.

The pocket door frame — a steel track system housed inside the wall — is installed by the framer during rough construction. The finish carpenter’s job comes after drywall is complete: hanging the door slab on the track, installing the split jambs, adjusting the rollers for smooth operation, and casing the opening. Understanding where your work begins and what was done before you is essential to a successful installation.

The biggest challenge when you install a pocket door is getting it to slide smoothly and hang plumb. The overhead track must be perfectly level, the door properly adjusted using the height adjustment nuts on the roller hardware, and the split jambs installed without binding the door. A pocket door that drags, sticks, or wobbles reflects poor finish work — even if the rough frame was installed correctly.

When you install a pocket door, quality hardware makes a huge difference compared to builder-grade kits. Brands like Johnson, Hafele, and Cavity Sliders produce heavier-duty track systems with ball-bearing rollers that operate far more smoothly and quietly than cheap alternatives. If the customer or GC is choosing hardware, recommend quality — it directly impacts how the finished product performs for years to come.

Before You Begin #

Prerequisites #

• Pocket door frame (steel track and split stud system) has been installed during rough framing and inspected
• Drywall is complete on both sides of the pocket wall — drywall in the pocket frame area should be attached with nails or adhesive only (NOT screws) to avoid hitting the door slab inside the wall
• Floor covering is installed, or at minimum the finished floor thickness is known so the bottom gap can be set correctly
• The rough opening dimensions match the pocket frame manufacturer’s specifications
• Electrical and plumbing have been routed away from the pocket cavity (no wires or pipes running through the door’s travel path)

What You Need To Know #

• When you install a pocket door, the slab hangs from rollers at the top of the track — there is no bottom track. The door is guided at the floor level by small guides mounted at the base of the jamb.
• Split jambs are two-piece jambs that sandwich the drywall and wall framing. They allow the door to slide between them without the jamb blocking the pocket opening.
• The door slab needs to be slightly narrower than the finished opening to allow clearance on both sides as it travels in and out of the pocket.
• Height adjustment is done with nuts on the roller hardware at the top of the door. Turning these nuts raises or lowers each side independently, allowing you to set the door plumb and control the bottom gap.
• A pocket door pull (flush or recessed hardware) is required because standard doorknobs protrude from the face of the door and would prevent it from retracting fully into the wall cavity.
• Privacy locks for pocket doors are specialty items — they mount on the edge of the door and engage a strike in the jamb. Standard passage or privacy locksets will not work.

Tools Required #

Power Tools #

• Drill/driver
• 18-gauge brad nailer
• Miter saw

Hand Tools #

• Tape measure
• 4-foot level
• Pencil
• Screwdriver (flathead and Phillips)
• Pliers or small wrench (for roller adjustment nuts)
• Utility knife

Supplies #

• 18-gauge brad nails (1-1/2″ and 2″)
• Wood screws (for hardware mounting)
• Shims (wood or composite)
• Wood glue
• Silicone spray lubricant (for track)

Materials #

• Pocket door slab — flat panel style (raised panel doors can catch on the pocket frame as they slide in and out)
• Roller hardware (usually included with the pocket frame kit — verify before starting)
• Split jamb pieces (may come with the pocket frame kit or need to be fabricated on site)
• Pocket door edge pull / flush pull hardware (both sides of door)
• Privacy lock hardware (if required — pocket door specific)
• Casing material (matching house trim profile)
• Door guides (floor-mounted or jamb-mounted, to keep door centered in the opening)

Steps to Install a Pocket Door #

Step 1: Inspect the Pocket Frame #

Before you install a pocket door slab on the track, take time to thoroughly inspect the pocket frame. Use your level to check that the overhead track is level across its full length. Even a small amount of tilt will cause the door to drift open or closed on its own. Inspect the split studs and track for any damage that may have occurred during drywall installation.

Clear the pocket cavity of any debris — drywall dust, screws, chunks of mud, or anything else that could interfere with the door slab as it slides in and out. Look inside the cavity with a flashlight to make sure nothing is obstructing the path.

Pro Tip: Run your hand along both sides of the pocket cavity to feel for drywall screws poking through. Even one protruding screw will scratch the door slab every time it opens and closes. Back out any offenders and replace them with nails or shorter screws that don’t penetrate into the cavity.

Step 2: Attach Roller Hardware to Door Slab #

To install a pocket door properly, mount the roller brackets to the top edge of the door slab according to the manufacturer’s instructions. Typically, two roller assemblies are positioned equal distances from each end of the door — usually about 2 inches from each edge, but follow the specific hardware specs.

The roller brackets attach to the top of the door with screws. Make sure they are centered on the door thickness and firmly seated. The rollers should spin freely before installation. If they feel gritty or stiff, clean and lubricate them before proceeding.

Step 3: Hang the Door on the Track #

With the roller hardware attached, tilt the door into the opening at an angle. Lift the top of the door up and hook the rollers onto the overhead track. Most pocket door track systems have a slot or hook mechanism — the rollers slide into the track from the open end (the room side of the opening).

Once you install a pocket door on the track, slide it back and forth through its full travel to verify smooth movement. The door should glide easily without catching, grinding, or requiring force. If it feels rough, check for debris in the track, misaligned rollers, or a track that isn’t level.

Have a helper support the door weight while you engage the rollers — pocket door slabs can be heavy and awkward to handle alone, especially in tight spaces.

Step 4: Adjust Door Height and Plumb #

With the door hanging on the track, use the adjustment nuts on the roller brackets to fine-tune the height. Each roller has an independent adjustment mechanism — typically a bolt or nut accessible from above or through a small slot in the track. Turning the adjustment raises or lowers that side of the door.

Set the bottom gap first. The standard gap between the bottom of the door and the finished floor is approximately 1/2 inch. This gap must remain consistent across the full travel of the door — if the gap changes as the door moves, the track is not level and needs correction.

Pro Tip: Adjust one side at a time. Check plumb with your level after each adjustment. The door should hang perfectly vertical and maintain an even gap at the bottom across its full travel. Use a spacer block cut to the desired gap height and slide it along the floor under the door as you move it to verify consistency.

Step 5: Install Split Jambs #

Split jambs are essential when you install a pocket door. These two-piece jamb assemblies are designed specifically for pocket doors. They consist of overlapping pieces that attach to each side of the wall, creating a finished jamb that the door slides between. Unlike a standard one-piece door jamb, split jambs allow the door to pass through the opening without obstruction.

Install the strike-side jamb first — this is the side where the latch or lock will engage. Shim and plumb the jamb carefully, nailing it through the shims into the framing. Then install the pocket-side jamb pieces. The pocket-side jamb typically has a narrower profile or a special configuration that wraps the edge of the pocket opening.

The critical requirement is that the split jambs must be snug to the wall surfaces but must NOT pinch or bind the door. The door needs to slide freely between the jamb pieces with a small, consistent gap on each side. Test the door travel after installing each jamb piece — if it suddenly becomes harder to slide, the jamb is too tight and needs adjustment.

Step 6: Install Hardware and Strike #

Install the pocket door edge pulls (flush pulls) on both sides of the door. These are recessed into the edge and face of the door so nothing protrudes beyond the door surface. Mark and mortise the pulls according to the hardware manufacturer’s template — precision matters here since the pulls are visible and functional.

If a privacy lock is required, install the pocket door lock mechanism. These locks mount in the edge of the door and have a thumb turn on one side with an emergency release on the other. Install the corresponding strike plate in the jamb, aligning it carefully so the latch engages smoothly when the door is closed.

Test all hardware operation: pulls should grip comfortably and allow easy door movement, and the latch should engage and release cleanly without forcing.

Step 7: Case the Opening and Final Adjustments #

Install casing on both sides of the opening, matching the trim profile used throughout the house. Miter the corners and nail the casing to the jamb edge and the wall framing with 18-gauge brads. The casing on the pocket side needs special attention — it must be positioned so it does not interfere with the door as it exits the pocket.

After you install a pocket door and its casing, perform final adjustments. Slide the door through its complete range of travel multiple times. Listen for any rubbing, catching, or rattling. Make minor roller adjustments if needed. Install floor-mounted or jamb-mounted door guides at the bottom of the opening to keep the door centered and prevent it from swinging side to side.

Pro Tip: Test the door through its FULL range of travel after casing is installed. Sometimes casing installed too close to the opening edge will catch the door as it exits the pocket. Leave a small reveal (1/16″ to 1/8″) between the casing and the opening edge to prevent this issue.

Quality Check #

After you install a pocket door, run through this checklist to verify quality workmanship.

• Door slides smoothly through full travel without catching or dragging
• Door hangs plumb in the closed position
• Consistent bottom gap across the full travel of the door
• Split jambs do not bind or pinch the door
• Latch engages and releases properly without forcing
• Edge pulls function correctly on both sides of the door
• Casing is clean, tight, and consistent on both sides
• No screws protruding into the pocket cavity
• Door does not rattle or wobble when sliding or at rest

Troubleshooting After You Install a Pocket Door #

Door Is Hard to Slide #

If the door requires excessive force to move, check three things: First, verify the overhead track is level — even a slight bow or sag will create resistance. Second, the rollers may need lubrication — apply silicone spray to the track and roller wheels. Third, inspect the pocket cavity for drywall screws protruding into the door’s path. Any screw tip poking through will drag against the door slab and create friction.

Door Hangs Crooked #

A door that hangs out of plumb needs roller height adjustment on one side. Use the adjustment nuts on the roller brackets to raise or lower the low side until the door hangs perfectly vertical. Check with a level on the face of the door. If the adjustment range is maxed out and the door still isn’t plumb, the track itself may not be level and will need correction.

Door Won’t Stay in the Pocket (Slides Back Out) #

If the door drifts out of the pocket on its own, the track is likely tilted slightly toward the opening. The door is rolling downhill under gravity. The track needs to be re-leveled, or if that’s not practical after drywall, install a small rubber bumper or detent at the back of the pocket to hold the door in the open position.

Door Rattles When Closed #

Rattling is caused by the door swinging side to side in the opening. Install door guides at the bottom of the jamb — these are small nylon or rubber-tipped brackets that keep the door centered in the opening. Most pocket frame kits include floor guides, but they may need adjustment or replacement if the door still rattles.

Door Rubs on Floor #

If the door is dragging on the finished floor, the roller height needs to be raised. Use the adjustment nuts on the roller brackets to lift the door until you have a consistent 1/2-inch gap at the bottom. If the floor is uneven, you may need to split the difference or adjust the gap to clear the highest point of the floor across the door’s travel.

Can’t Install a Standard Doorknob #

This is by design — pocket doors cannot use standard protruding doorknobs or lever handles because the hardware would prevent the door from sliding fully into the wall cavity. Pocket doors require flush-mount edge pulls or recessed cup pulls that sit flush with or below the door surface. If a privacy lock is needed, use a pocket-door-specific lock that mounts in the door edge.

Helpful Resources #

These external resources provide additional detail on pocket door hardware and installation techniques:

• This Old House – Door Installation Guides — Professional walkthroughs for pocket door and other door installation projects.
• Family Handyman – Pocket Door Installation — Step-by-step guide with close-up photos of roller hardware and split jamb details.
• Johnson Hardware – Pocket Door Systems — Manufacturer specifications and guides for popular pocket door frame and track systems.

Related Guides #

Once you know how to install a pocket door, explore these related door installation guides.

• How to Install a Pre-Hung Door
• How to Install Bifold Doors
• How to Install Bypass Doors