Are Composite Door Crack Repair The Best There Ever Was?

· 6 min read
Are Composite Door Crack Repair The Best There Ever Was?

How to Repair a Cracked Composite Door

Although composite doors are extremely durable, they do suffer from cracks caused by wear and tear. These cracks are usually easy to repair.

All you need is an plastic filler, a uPVC friendly cleaning agent (HG uPVC Powerful Cleaner is the best choice) and a few medium to fine-grit sandpaper. First, you must clean the crack.

Identifying the Crack

Composite doors are a common choice for front doors due to their strength and aesthetic. Like any other door, they could be prone to problems over time. The majority of these issues can be solved without the need for professional help.


If you hear a cracking sound every when you open or shut your composite door, there may be a problem with the frame. This is particularly relevant if the crack is visible around the perimeter of the door frame. In this case, it is possible that the frame and door were not properly installed at first. It is recommended to contact the professional installer who installed your composite door, as they'll be able to assist in solving the issue.

Incorrect alignment of hinges and latches is another issue that can be found in composite doors. This can be due to excessive wear and tear or over usage, but it could also be caused by changes in temperature and moisture. This is another issue that can be solved by simply adjusting screws.

It's also possible that the frame of your door is too small for your composite door. This could happen if the frame is not installed properly by a professional installer. The frame will not be able to support the load of a door if it's too small. This can cause cracking, warping and creaking.

Another potential cause of cracks in a composite door is weather damage. The most frequent type of weather damage to composite doors is a worn or damaged weather seal. This can let debris and rain enter your home, along with cold air. It is easy to repair the problem with a damaged or missing seal by replacing it with a seal designed for composite doors.

Regular cleaning is the most essential part of maintaining a composite front door. This will prevent the surface from being scratched or marked, and it can help prevent any stains from forming. Clean your composite door using warm soapy water at least once a week to avoid the pitting of your hardware. You should also regularly lubricate hinges.

Cleaning the Crack

Composite doors are a favorite choice for home owners thanks to their strength and low maintenance. As time passes, they could be prone to a variety of common issues such as cracks and warping. Fortunately, the majority of these issues can be addressed without the need for expert intervention.

A composite door is constructed with an untreated wood core for strength and stability, as well as uPVC to provide weatherproofing. The door is then covered with glass reinforced plastic (GRP) outer skin that is available in a variety of styles and finishes including woodgrain effects and a smooth contemporary finish. The combination of these materials ensures that composite doors are highly robust and resistant to water and abrasions.

Keep your composite door dry and clean to maintain its good looks. You can keep your door looking great by cleaning it regularly with mild cleaner and a soft cloth. However, you should also clean the door after prolonged exposure to sunlight or rain. Avoid using abrasive cleaners as these could damage the surface of the door. Additionally, always make sure that you use clean water to rinse it off after you're done.

Regularly Lubricating the hinges and locks of your composite door is a easy way to maintain its appearance. A lubricant specifically made for uPVC doors and locks will work well however, be cautious not to use too much as too much grease can cause the lock to stick or not work at all.

Check the weather stripping of your composite door to ensure it is intact and functioning properly. This will cut down on drafts and also save you on your heating bills.

Modern composite doors are robust and resistant to a variety of common issues. However they can be damaged by sudden temperature fluctuations or general wear and tear. Large cracks can be repaired by using some plastic filler, sandpaper, and perhaps a little more sandpaper.

Filling the Crack

Although composite doors are extremely durable, they are prone to cracking as a result of physical damage like impacts or scratches or even changes in humidity and temperature. These cracks are usually easily repaired using a simple DIY repair method.

In the beginning, you'll be required to determine the source of the crack to determine the cause. This may be as simple as hearing a crackling sound every time you shut or open the door. It could also be something more serious, like visible damage or chip to the glass panel. If the issue is more serious it is recommended to contact a professional for assistance.

The next step is to apply a filler over the area that is cracked. You can buy plastic fillers that are specially made to be used on uPVC and composite materials. These will usually be a combination of liquid and powder that has to be mixed and then applied immediately, since they set quickly. Make use of a putty knife to apply the filler, and make sure you get it all way to the opposite side.

After the filler has been applied and dried, you'll need to sand down the surface for a smooth finish. For this, you can make use of an electric sander or a light sanding device. After sanding the surface, you'll require a clear layer of polyurethane or varnish to protect your door and filler.

If the sound that is cracking is coming from the hinges of the door, you will have to grease them to stop them from falling or becoming stiff with time. This will help ensure the durability of the hinges and help to extend their lifespan.

You can keep your composite door looking new by regularly sanding it, using a touch-up pen for repair of any scratches, and then applying the same color for uniformity. Regular lubrication of any moving parts will ensure that they work smoothly and enhance the durability of your composite door. This simple task is often left unnoticed, but it can make an enormous difference to the appearance and functionality of your composite door.

Sanding the Crack

A composite door is strong and durable, but it's resistant to the occasional crack or creak.  composite door replacement  is likely that you will experience these problems with the frame, that can be caused by many reasons, such as the weathering process and general wear and tear. If you are concerned that your doors made of composite may be showing signs of getting old, you can follow several steps to remedy the issue.

Clean up the crack and surrounding area. This will help to prevent dirt from getting intermingled with your later repair work. Use a uPVC-friendly, fragrance-free cleaning product, such as HG uPVC Powerful Cleaner available on Amazon to get rid of any accumulated dirt and grit. Allow the area to dry completely before moving on.

Once the crack has been cleaned after which you can begin the repair work. You can choose between putty and filler for this step depending on the condition of your door or not. If your door is painted, choose a wood filler that can be sanded following its setting. After you've applied the filler you prefer and allowed it to set, allow it to dry. Sanding the filler down will help to smooth out the surface and make it look a little more natural.

You'll also want to think about the size of the crack before you begin sanding. If the crack is larger it will require more than just putty or filler to repair it. If you see signs of this on your door, you might need to install an spline of wood to offer an extra-long-lasting solution.

It is best to position the door frame and hinges in a proper way to avoid a split. It is also essential to ensure that all moving parts are lubricated, including hinges, using the lubricant specifically designed for uPVC or composite materials. This will reduce friction and keep your composite door operating smoothly for many years.