Three Reasons Why Your Repair Bifold Door Top Roller Is Broken (And How To Repair It) How to Repair Bifold Door Top Roller Guide

If your bifold doors have become stuck, they probably require a little attention. It is possible that you need to clean, lubricate or adjust them. RepairMyWindowsAndDoors may be caused by a loose screw on the top pivot or by the top guide roller.

This kit includes all the hardware needed to bring your bi-fold closet door system to its optimal performance.

Remove the Door

Installing an internal set of bifold doors could seem like an involved and difficult task however, it's actually straightforward for a DIYer with a bit of experience. The frame isn't the issue, but getting the doors to fold and close smoothly is. Bifold doors are complex pieces of machinery and, therefore they may require some tweaking to keep working correctly. This might be something as easy as tightening a screw or as complicated as removing the door and replacing a pivot pin or roller.

You can usually fix these problems with some minor adjustments without having to remove the doors. You might find that your doors are sagging or scratching the floor, or that they are jumping out of their track. In order to fix these issues, it isn't difficult. With three simple steps your bifold doors can be back in the blink of an eye.

The most frequent issue that internal bifolding doors face is that they slide out of alignment. This could be due to loose screws, holes in the anchor/pivot pins or simply a misaligned door. In the majority of instances, you can fix this issue with a few simple adjustments, but if the door isn't moving at all, it may need to be removed and replaced.

To remove the door you'll need a screwdriver and possibly two pliers (to aid in loosening any tight pivot pins). The screwdriver can be used to loosen the locking levers located on the bottom bracket for pivots. The pliers are used for removing the pin.

After the top roller is removed After that, you can lift the door, then swivel it downwards and then remove it from its pivot brackets and track. It's usually a simple process, but you must be cautious not to let the door hit the frame of the door. Then you can sand the edges of the door to make it smooth. You can then paint or refinish the door if needed.

Take off the Roller Guide

This spring-loaded roller guide is mounted on the top edge of bifold doors to aid with smooth operation. It is designed specifically for Kenna frames, and will fit door panels that range from 1 inch to 1-3/8 inches thick. It is made of nylon, steel, and other components. It can be used to replace a damaged or worn-out guide.

To begin removing the roller guide, remove the screws that hold it in place using the screwdriver and a little to loosen it. Then, use your hands to lift it out of the frame. It may require some effort to lift the door, so make sure you ask someone else to assist you.

After removing the old guide, carefully cut off the remaining finishing on the foot of the guide by using a razor to cut it from the blank rod. This will make it easier to take off and protect the new guide foot. The foot is very sharp, and it could cut or snag fingers.

It is possible to use some force to remove the guide, but take care not to break or chip the foot. After you have separated the guide from the rod blank, make sure to take out all of the threads and epoxy that remain where it was affixed. This will help prevent any future problems with the guide.

After you have removed the guide, test out the new guide by placing it in its place and then applying a few turns of masking tape or a type of guide tubing to keep it in its place. This allows you to check the guide alignment and spacing to ensure that everything is properly set up. It doesn't matter if you're looking at it from a distance or using the dependable CRB Spine Finder and Deflection System This step is crucial to avoid any problems in the future.

If the guide is placed properly and is functioning according to its intended function, the last step is to put the door back in its place. Be aware that any screws or pins you removed or loosened should be replaced and tightened correctly when you're done.

Take the Bottom Pivot off.

Bifold doors are a beautiful addition to any home but sometimes they need a little tweaking or adjustment to stay in top shape. Some issues can be addressed with the doors in place. Others will require the doors be removed. This guide will demonstrate how to take off the internal bifold door pins, rollers, and pivots.

Gathering your tools is the first step. Getting everything together ahead of time will save you some frustration later in the process. You'll also require an plier and a screwdriver. A basic set of tools is available at a reasonable cost from your local hardware store. It's also a good idea to have some wood glue in your kit. This will come in handy in the event that you need to glue one of the rollers back in their original position.

After gathering your tools and tools, open the bifold door and loosen the top track bracket using your screwdriver. Once the bracket is loose the door should be capable of sliding off the top track completely. It might take a few jigglings but it should pop right off the track.

Next, you'll need to remove the pivot at the bottom from the frame. This should be done from the outside of your home, so be sure to shut any interior doors you have open. This will be much simpler than trying to work from inside. If the track at the bottom appears to be in good condition you can lift the door up and take off the track.

You'll need to replace the track if it is damaged. You can buy new tracks for bifold doors as well as swinging closet doors at your local hardware store. If the track is badly damaged then you may need to replace it entirely.

It is now time to check your doors for proper function. Make sure that they are easily able to move in and out of position. You'll want to make sure that the edges of your door are parallel to the frame when it is closed. If they're not, you'll need to adjust the top pivot bracket while tightening or loosening the bottom setscrew.

Replace the Roller

Bifold doors neatly enclose closets as well as laundry nooks and pantries, but only when they function properly. The bifold doors consist of two panels that are hinged and slide down a track at the top of the frame. Over time, the roller guide bearings can wear out and cause the doors to bow and scrape against the floor. Replacing the roller guide requires just a few minutes and a few basic tools.

The first step is removing the guide roller from your door panel. The bottom pivot bolt is to be removed, as well as the screw that holds the guide to the top of the door panel must be loosened. After the guide is removed then lift the door frame up and off its track. Then, using a wrench, remove the top pivot bolt from the hole in the frame's header by loosening the bolt.

A replacement top nylon roller guide with a 7/8 " diameter wheel and a steel base is available from Stanley, Cox or Acme. It can be mounted on the top of bifold doors that range from 1 to 1-3/8 inches thick. It comes spring-loaded to self-adjust in the upper track for smooth sliding.


A bifold door can also scratch the floor as it closes and opens. This can happen after adding carpet or other flooring materials which require that the doors be slightly raised to allow for clearance. Removal of the screw that adjusts the bottom pivot and loosening the top track's mounting screws and moving the anchor pin usually enough to clear this issue.

A new set of top roller guides is a cheap solution to a problem that can make your bifold doors difficult to operate. They're usually available at the hardware store near you in the door section but they're also accessible online from a number of vendors. You'll also require an elongated squeeze-clamp as well as a small container Elmer's wood adhesive, which is available in large box stores. The clamp is used to keep the repair area tightly closed after glue is inserted, and allowed to dry.