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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the cause of your bifold doors sliding and scraping on the floor. A few simple adjustments can put them back on track and running smoothly. bifold door replacement is attached to the floor or the base of a bracket for a secure, sturdy mounting. Threaded for adjustment, this kit works with a wide selection of bi-fold doors. Cracked or Broken Anchor or Pivot Pins The pivot pins and anchor pins on bifold doors often break or become misaligned, which can cause the doors to sag, scrape the floor and pop out of their brackets. There are three easy adjustments that you can make to make your bifolds work again. The first thing you should do if your bifolds aren't rolling smoothly is to check the bottom pin. If it's loose, you can remove it with pliers or a screwdriver and replace it. If the original pin isn't big enough to accommodate the replacement make a hole for the replacement. If the pivot pins have broken, you can fix this by using Bondo or Durham's wood filler to patch the crack. Be sure to moisten the area and allow the glue to set before you attempt to move the door once more. Also, you should examine the other pivots of your bifold door to make sure they're not damaged or loose. It's time for you to fix any of these problems: If the anchor pin is damaged or broken You can replace it with a piece piano wire or sewing needle. Make sure you use a tapered end to ensure it is easier to insert and secure the anchor. You can also tap the ends of the new pin to make it more smooth and a little more durable. If you're having trouble getting the new pin into place, gently tap it using a mallet made from rubber. This will ensure that the new pin is secured in place and able to support the load of the door without bending or shifting. Damaged Roller If your bifold doors scratch on the floor It could be caused by a damaged roller. Alternatively, it might be due to the track becoming curved or bent over time. In certain cases the issue may be more severe and require a new track. If you find that your bifold door's bottom pivot is sagging, then it is important to address the issue as soon as you can. This can cause the bifold door to lose alignment with the frame and make it difficult to open or close. There are a few easy tricks that you can use to fix the problem. Over time, the wood on the pivot pins and anchors are seated may crack. If the crack isn't too large it can be repaired by gluing and clamping the piece together. If the crack is extensive or the piece is split, you'll have to replace it. You can also test if the top track and brackets are misaligned by closing the doors to the closet. If they're not aligned with the frame, you can loosen the top set screw of the bracket a bit and try to adjust it. Repeat this procedure until the doors are perfectly aligned. This should only take a few minutes. Broken Track Over time the tracks and runners of your bifold doors could move, change or ware. This can cause your bifold doors to be not aligned properly, or even damaged. This can be frustrating, especially if your bifold door isn't shut properly. It can also reduce the security of your home. However, if you are aware of where to look and what you should do, then it can be repaired fairly quickly. Firstly, you should check for any debris on your running tracks and eliminate the debris. You can also clean the track, re-lubricate it, and smooth the surface. If the issue continues then you can try tightening up or loosening the top set screw to get the tracks back into alignment. Another common problem with bifold doors is that they start to slide and scratch the floor. This can be a huge discomfort and is caused by a number of reasons, including overuse or if they've been improperly installed. There are usually some simple adjustments that can be made to bring the doors back on track. It's important to note that this problem isn't just limited to bifold doors, french doors, composite doors and uPVC front doors can all drop from their tracks. It's usually due to the hinge bolts or fixings haven’t been fitted correctly. The bottom pivot could break. This is common in older bifold doors. It could occur if they're not used often or if they're being handled badly. It's most likely due to a crack or split on the nylon or plastic cap that holds the metal pivot pin. This is a fairly easy fix, but it'll require a good amount of patience and careful work to complete. You'll need to replace the plastic cap or nylon cap, and the metal pivot pin. You'll need to replace the lower brace with a new one, and then put it back on the rail. Misaligned Doors A bifold door is an attractive addition to any house, but over time it may experience issues that affect its ability to close and open. Many of these problems are easily fixed and don't require a specialist. The first step is to identify the reason of your doors not being in alignment. You will need an instrument to measure the gap between the track of the door and the track. If the gap between the track and the door is greater at the top than the bottom, the doors are not aligned. You can fix this by loosening the screw on the pivot bracket and then shifting it to a different slot on the bracket. If your doors remain not aligned, you may have to replace the pivot or anchor pins. They are typically made from wood, and they can wear out with time. To replace them, you'll have to take the door off and remove the pin that was damaged from the wood using pliers or a flathead screwdriver. The damaged pin needs to be removed and a new hole made for it. You'll also have to cut the wood where the damaged pin was, if it is necessary. Once you have replaced the pin, reconnect it to the door and place it in its brackets. If the door is not sitting correctly You can try to align it by putting in additional wood or plastic. But, you must be aware that in the event that the door is misaligned it will likely be easier to replace the entire frame rather than to shim it. If your doors are making an eerie sound when they are opened, it could often be caused by debris getting lodged in the running tracks. To stop this from happening you'll need to get rid of the obstructions blocking the tracks, and then lubricate them once more. If the rattling is coming from inside the doors then it could be a problem with the hinges or mechanism, and will require re-installation. It is best to choose a reputable business to install your new doors.