Retractable Screen Came Off Its Track? How to Re-Seat It and Stop It Happening Again

A retractable screen comes off its track when the mesh edge or bottom bar is pulled out of the guide rail, usually by wind, a pet, or someone pushing through it, and it keeps doing it when the rails are out of plumb, the guide pile is worn, or the roller spring has lost tension. Most can be re-seated in 10-20 minutes without tools. This page covers the re-seating steps for each screen type and then the fixes that stop it coming out again.

Fast diagnosis

For a screen that will not retract at all, a broken spring, or a damaged housing, see our broader retractable screen repair guide.

Why screens leave the track

A retractable screen is held in the plane of the opening only at its edges. The side rails capture the mesh edge (on simple door screens) or a bead, zipper or keder sewn to the edge (on zip track and many patio screens), and the roller spring or motor keeps the mesh under light tension so it cannot belly out. Anything that lets the mesh bulge, or lets the rails drift apart, gives the edge room to escape. How the different roller and pleated systems manage this is explained in how retractable screens retract, and rail profiles in screen tracks and guide rails.

How to put the screen back on track

Rolling door and window screens

1. Retract fully. Guide the bar back toward the housing slowly. Do not let it snap back; the mesh can crease or the bar can damage the housing.
2. Check the bar ends. The handle bar or bottom bar usually has guide blocks or pins at each end. Make sure both are present and not cracked.
3. Feed the edge from the housing end. Pull the screen out slowly while guiding the mesh edge into the rail at the point nearest the housing, keeping it straight. Most rails have a flared entry at the housing for exactly this purpose.
4. Re-engage the bar. Tilt the bar slightly so one guide end enters its rail, then the other. Some designs require removing a top cap or end stop on the rail to drop the guide back in.
5. Cycle three times. Watch where the edge rides. If it rides near the lip of the rail on one side, the rails are out of parallel.

Pleated screens

Pleated screens use cords, not a spring roller, to keep the pleats aligned. If the screen comes out of its top or bottom track, check that the cords are not broken or slack and that the pleats are not crushed at the point of escape. Re-insert the leading bar into both tracks before re-tensioning cords. Broken cords mean a restring kit or panel replacement.

Zip track and motorized patio screens

Zip track screens have a zipper-like strip or keder welded to each fabric edge, running inside a retention channel. Many systems are designed to let the edge pull out under a damaging load and then guide it back in at a re-entry point near the top of the rail or in the head box as the screen is cycled.

1. Stop the motor. Do not keep pressing up and down; the motor may have stopped on obstacle detection to protect itself.
2. Check for debris or damage at the rail mouth and along the channel.
3. Raise the screen fully so the escaped section rolls up past the re-entry point, then lower it slowly while watching. On self-healing designs the edge re-engages on the way down.
4. If it does not re-engage, follow the manufacturer's re-insertion procedure; some rails have a removable cover or a re-entry gate.

Details of edge designs are in zip track, keder and zipper edges, and wind ratings in zip track screens and wind resistance.

Fixes that stop it happening again, easiest first

1. Clean the rails (free)

Vacuum the rail channels and wipe with a damp cloth. Grit and insects increase friction so the mesh edge climbs out instead of sliding. Dry silicone spray on the pile and channel helps; avoid oil, which collects dirt.

2. Remove obstructions in the channel (free)

Run a flashlight along each rail. A screw head that sits proud, a loose rivet or a dent catches the edge at the same height every time. Countersink or replace proud fasteners.

3. Replace worn pile or guide strips (low cost)

Many rails use a brush pile strip to hold and seal the mesh edge. When it wears flat, the mesh has room to move sideways and escape. Pile is sold by height and backing width; see brush seals and pile weatherstrip.

4. Re-align the rails (moderate)

Measure the gap between rails at top, middle and bottom, and check each rail with a level. Loosen the fixing screws and shim or reposition the rail until the measurements match within about 1/16-1/8 in (2-3 mm) and each rail is plumb. Check that the sill or threshold is level; a sloping sill makes the bar enter one rail lower than the other.

5. Restore spring tension (moderate)

A roller spring that has lost tension lets the mesh go slack and wander. Many door screens allow tension adjustment by turning the roller a set number of turns before re-locking; follow the specific procedure. See spring tension.

6. Repair or replace damaged mesh, bars or rails (moderate to pro)

Mesh torn at the edge will keep catching. Small edge damage can sometimes be repaired; otherwise rescreen, as in how to rescreen a retractable screen. A bent rail should be replaced; straightening aluminum rarely gets it true enough.

When to call a pro

• The roller spring is broken or needs to come out of the housing.
• A motorized screen keeps stopping or the zip edge will not re-engage after cycling.
• The opening itself is out of square (doors sticking, cracks at the corners), so rails cannot be aligned.
• The screen is a large patio or garage unit where the head box is heavy and high.

Frequently asked questions