15 Things You Didn't Know About Composite Door Crack Repair

· 6 min read
15 Things You Didn't Know About Composite Door Crack Repair

How to Repair a Cracked Composite Door

Even though composite doors are extremely durable, they may still develop cracks due to general wear and tear. Thankfully cracks like this are generally easily repaired.

All you need is an plastic filler, a uPVC-friendly cleansing 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 among the most popular types of front doors that are available due to their style and durability. But, just like any other door, they could encounter problems over time. Luckily, most of these issues can be resolved without the need to call for help from professionals.

If you hear a cracking sound every when you open or close your composite door, there could be an issue with the frame. This is especially true if the crack is visible along the edges of the frame. In this instance the problem could be caused by the frame and door being fitted correctly in the beginning. You should contact the person who installed your composite door to resolve this issue.

Another issue common to composite doors is the misalignment between the latches and hinges. This can be due to excessive wear and tear or heavy use, but it can also be due to changes in temperature and moisture. Fortunately, this is a problem that can usually be resolved by simply adjusting the screws.

You may also find that the frame of your composite door is too small. This can happen when the frame isn't installed properly by an experienced professional installer. If the frame is too small it will not be able to support the weight of the door. This can cause cracks or warping, as well as creaking.

Weather damage is another possible reason for a damaged composite door. Weather damage is typically caused by a worn or damaged weather seal. This can allow cold air into the home, as well as debris and rain. A faulty or missing weather seal can easily be fixed by replacing it with a brand new one specifically designed for composite doors.

The most crucial aspect of maintaining the composite door is regular cleaning. This will prevent the surface from becoming scratched or marked, and it can help keep any stains from appearing. It is recommended to clean your composite door at least once a week with soapy water to avoid hardware pitting, and you should also lubricate the hinges on a regular basis.

Cleaning the Crack

Composite doors are popular among homeowners due to their durability and low-maintenance feel. As time passes, they could suffer from a variety of common problems including warping and cracked surfaces. Fortunately, a majority of these issues can be fixed without the need for professional intervention.

A composite door is made of a solid wood core to give strength and stability and uPVC to weatherproof it against the elements. It then has glass reinforced plastic (GRP) outer skin which is available in a variety of styles and finishes including woodgrain effects as well as a smooth contemporary finish. Composite doors are created by combining different materials that makes them highly durable, resistant to moisture, and resistant to scratches.

The best method to ensure that your composite door looks good is to keep it dry and clean. You can keep your composite door looking good by cleaning it regularly with mild cleaner and an easy-to-clean cloth. However, you must also wipe the door down after exposure to sun or rain. Avoid using abrasive cleaners as they can damage the surface. Always use clean water after you've finished.


Another method to keep your composite door looking nice is to lubricate the hinges and locks regularly. A lubricant specifically specially designed specifically for uPVC doors and locks is ideal however be careful not to overdo it as too much grease can cause the lock to become stuck or not function at all.

Examine the weather stripping on your composite door to make sure it is intact and functioning properly. This will lessen drafts and help you save money on heating costs.

Modern composite doors are durable and resistant to most common issues. However they are susceptible to being damaged by abrupt temperature fluctuations or general wear and tear. Fortunately, it is not often necessary to call in experts to fix these problems or even cracks that are large can be fixed with the help of plastic filler and sandpaper.

Filling in the Crack

Composite doors are durable however they are susceptible to cracks due to physical damage, like scratches or impacts. They also can crack due to fluctuations in temperature or humidity. These cracks can often be easily repaired using a simple DIY repair procedure.

Firstly, you will need to identify the source of the crack to determine the cause. It could be as easy as a crackling sound that you hear when you open or shut the door. It could also be more serious, such as a visible crack or damage to the exterior glass panel. If the problem is more serious then you should consult a professional for help.

The next step is to apply a filler to the cracked area. There are plastic fillers available specifically made to be used on uPVC and composite materials. These will usually be a combination of powder and liquid that needs to be mixed together and then applied immediately, since they set extremely quickly. Use a putty blade apply the filler, making sure you apply it all the way to the opposite side.

After the filler has been applied after the filler has been applied, you'll have to sand the surface to give it a smooth finish. You can make use of a light sanding pad or an electric sander to accomplish this. After you have sanded the area, you will require a clear coat of varnish or polyurethane to protect the filler and your door.

If the cracking sound originates from the hinges of the door, you'll have to grease them to prevent them from dropping or becoming stiff over time. This will ensure the integrity of the hinges and help to prolong their life.

You can also keep your composite door looking as beautiful as new by frequently smoothing it down, using touch-up pens to fix any scratches or dents and reapplying paint of the same color to create an even appearance. Regular lubrication of any moving parts will ensure that they work smoothly and enhance the durability of your composite door. This easy step is often ignored, but it can make an enormous difference in the performance and appearance of your composite door.

Sanding the Crack

Composite doors are strong and durable however they may crack or creak. It's likely to encounter these problems with the frame, which can occur due to many reasons, such as wear and tear. If you are concerned that your composite doors might be showing signs of age, you can take a few easy steps to remedy the issue.

The first thing you have to do is clean the area around the crack and its surrounding surface. This will prevent dirt from getting intermingled with your later repair work. Use a uPVC-friendly and fragrance-free cleaning agent, like HG uPVC Powerful Cleaner, available on Amazon, to remove any buildup of grime and grit. Let the area dry fully before moving on.

Once the crack is clean, you can begin the repair process for your composite door. Depending on whether your door is painted, you can choose between putty and filler for this step. If it's painted, go for a wood filler which can be sanded off after it has set. After you have applied the filler you prefer and allowed it to set, allow it to dry. Sanding the compound down will help to smooth out the surface and create a look a little more natural.

You'll also want to think about the size of the crack prior to you start sanding. If the crack is larger, you will need more than just filler or putty to fix it. If your door is showing indications of this, you might need to insert a wood spline into the split to provide a lasting solution.

It is best to position the door frame and hinges correctly to avoid a break. It is also essential to grease all moving parts including hinges using an oil designed specifically for uPVC or composite materials.  Repair My Windows And Doors  will lessen friction and help to keep your composite doors operating smoothly for years to come.