This Is How Composite Door Crack Repair Will Look Like In 10 Years' Time

· 6 min read
This Is How Composite Door Crack Repair Will Look Like In 10 Years' Time

How to Repair a Cracked Composite Door

Even though composite doors are extremely sturdy but they are still susceptible to developing cracks due to wear and tear. Thankfully cracks like this are generally easy to repair.

All you have to do is apply an adhesive for plastic and a cleaner that is uPVC-friendly (HG uPVC's powerful cleaner is a great choice). You'll also require a fine or medium grit Sandpaper. First, you must clean the crack.

Identifying the Crack

Composite doors are a popular option for front doors due to their toughness and design. Like all doors, composite doors can develop problems over time. Fortunately, the majority of these issues can be resolved without the need to call in professionals.

If you hear a loud cracking sound each when you open or close your composite door it could mean that the frame is damaged. This is especially relevant if you are able to see the cracks in the frame of the composite door. In this situation, it is possible that the door and frame were not properly fitted at first. You should consult the person who installed your composite door in order to resolve this problem.

Incorrect alignment of hinges and latches is another issue that can be found in composite doors. This can be caused by excessive wear and tear or over use, but can also be caused by changes in temperature and moisture. Fortunately, this is another issue that is usually resolved by simply adjusting the screws.


It's possible that the door frame is too small for the composite door. This could be the case if the door frame was not installed correctly by a professional installer. The frame won't be able support the load of a door if it is too small. This can lead to cracking, warping and creaking.

Weather damage is another potential reason for a damaged composite door. The most frequent form of weather damage to composite doors is a worn or missing weather seal. This can let debris and rain be able to enter your home as well as cold air. It is easy to fix the problem with a damaged or missing seal by replacing it with one designed for composite doors.

Regular cleaning is the most essential part of maintaining the exterior of a composite door. This will help prevent any scratches or marks from the surface, and also preventing staining. Clean your composite door with warm soapy-water every week at a minimum to prevent hardware pitting. It is also recommended to grease hinges every year.

Cleaning the Crack

Composite doors are a popular choice for home owners thanks to their durability and low maintenance feel. In  composite door repair , they can be prone to a variety of common issues like cracks and warping. Most of these problems can be resolved without professional assistance.

A composite door is made from a solid core of timber to give the strength and stability needed and uPVC to weatherproof it against the elements. It then has glass reinforced plastic (GRP) outer skin that is available in a variety of styles and finishes, including woodgrain effects and a smooth contemporary finishes. The combination of these materials makes composite doors extremely durable and resistant to moisture and abrasions.

Keep your composite door dry and clean to maintain its good looks. You can keep your door looking great by regularly cleaning it using mild cleaner and an easy-to-clean cloth. But, you should also wipe the door down after exposure to sun or rain. Avoid using abrasive cleaners since they can cause damage to the surface. Always use clean water after you've finished.

Another method to keep your composite door looking good is to grease the hinges and locks regularly. A lubricant made specifically for uPVC doors and locks will work well however be careful not to use too much as too much grease can cause the lock to stick or not function at all.

Check the weather stripping on your composite door to make sure it's in good condition and working properly. This will help reduce drafts, and also save you money on your heating bill.

Although modern composite doors are highly robust and resistant to a variety of common problems, they can still be damaged by sudden temperature fluctuations or by general wear and tear. Fortunately, it's not often necessary to call in professionals to fix these problems, and even large cracks can be repaired using the help of plastic filler and some sandpaper.

Filling in the Crack

Composite doors are durable however they are susceptible to cracks due to physical damage, like scratches or impacts. They may also break because of changes in temperature or humidity. These cracks are often easily repaired with simple DIY method.

Firstly, you will need to identify the source of the crack to determine the cause. It could be as simple as a crackling sound that you hear when you close or open the door. It could also be more serious, like visible cracks or damage to the glass panel. If the issue is more severe then you should contact a professional for assistance.

The next step is applying a filler on the cracked area. Fillers made of plastic are available and are designed to be applied to uPVC or composite materials. They are usually composed of liquid and powder that need to be mixed and then applied immediately, since they set extremely quickly. Use a putty blade apply the filler, and ensure that you get it all the way to the opposite side.

After the filler has been applied and dried, you'll need to sand the surface for smoothness. You can make use of a light sanding pad or an electric sander for this purpose. After sanding the area, you'll have to apply a clear coating of varnish or polyurethane in order to protect your door and filler.

If the sound of door hinges is making you hear cracking sounds It is recommended to lubricate the hinges to prevent them from falling down or becoming stiff with time. This will ensure the integrity of the hinges and help to prolong their life.

You can keep your composite door looking as new by regularly sanding it, using touch-up pen to repair any scratches, and reapplying the same color to ensure uniformity. Regular lubrication will ensure that your composite door is as strong as it is possible. This easy step is often ignored, but it can make an enormous difference to the functionality and appearance of your composite door.

Sanding the Crack

Composite doors are strong and durable however they may crack or squeak. These problems are likely to occur within the frame. This can be due to a variety of reasons, such as weathering or general wear and tear. If you're worried that your doors made of composite may be showing signs of getting old, you can follow several steps to remedy the issue.

You should first clean the crack and surrounding area. This will prevent dirt from getting mixed with the repair work to come. Use a uPVC-friendly and fragrance-free cleaning product, such as HG uPVC Powerful Cleaner available on Amazon to clean any accumulated grime and grit. Dry the area completely before proceeding.

Once the crack is clean and dried, you can begin the repair of your composite door. You can pick between filler and putty in this stage of the process based on whether your door is painted or not. If your door is painted, select the wood filler that will be sanded following its setting. After you have applied the filler you prefer and allowed it to set, allow it to dry. Sanding the filler down will smooth the surface and make it appear more natural.

You'll also need to consider the size of the crack before you start sanding. A larger split will require more than filler or putty to fix. If you notice evidence of this on your door, you might need to install an spline of wood to offer a longer-lasting solution.

It is important to align the door frame and hinges properly to avoid a break. It's also important to regularly grease any moving parts, like the hinges, by using a product designed for uPVC and composite materials. This will help reduce friction, and keep your composite door operating smoothly for many years.