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Types of uPVC Door Hinges

3 Types of uPVC Door Hinges

uPVC doors improve your home’s efficiency by trapping heat and sealing out cold. However, these doors are only effective as long as the door’s hardware functions properly. When it comes to choosing the hardware accessories for your doors, hinges play a very important role. Hinges attach your door to its frame, making a pivot position, allowing it to open and close smoothly. 

In this blog, we’ll discuss about the different types of uPVC door hinges, their functionality, pros and cons, and how to install them in detail. 

Different Types of uPVC Door Hinges

The most common types of uPVC hinges are:

Butt Hinges

Butt hinges are the most common type of hinges for uPVC doors. A butt hinge consists of two flat hinge leaves (or plates), hinge knuckles, and a hinge pin. Both the hinge leaves contain holes where screws can be fixed. One leaf is attached to the door, while the other is attached to the door frame. The hinge pin is fitted through the knuckles, helping both the leaves stay in place.

There are different types of butt hinges - plain butt hinges, ball-bearing butt hinges, ball-tip butt hinges, rising butt hinges, and spring butt hinges. These hinges are mainly found on old doors and vintage cabinets.

Advantages of Butt Hinges

  • Durability: Butt hinges are sturdy enough to handle the weight of uPVC doors.
  • Ease of Use: A butt hinge is easy to install and maintain.
  • Budget Friendly: Butt hinges are generally cost-effective.

Disadvantages of Butt Hinges

  • Easy Visibility: Butt hinges are clearly visible on the door edges, making it easy for intruders to locate and break them.

Flag Hinges

Flag hinges consist of a male leaf and a female leaf, with a hinge pin permanently attached to the male leaf, giving it the shape of a flagpole. These hinges are known as lift-off hinges or double-acting hinges and are designed specifically to allow full 360-degree rotation. The most unique part about this flag hinge is that the knuckle plates have a flag-shaped cutout, allowing for an increased movement of rotation.

Flag hinges are compact, showing lesser visibility on the door edges. These hinges are more secure than butt hinges and are commonly found on modern doors. 

Advantages of Flag Hinges

  • Easy to Dismantle: Flag hinges are secured to each other through gravity, making it easy to dismantle as and when needed.
  • Adjustable: As it allows 360-degree rotation, you can move it laterally or vertically, according to the door jamb. 

Disadvantages of Flag Hinges

  • Low Strength: Flag hinges are not suitable for heavier doors. However, they are perfect for doors with less weight.

Rebated Hinges

Rebated hinges are also known as Eurogroove hinges. These hinges are specifically designed for uPVC doors with a rebate, which is a step or groove in the door frame where the door sits when closed. Although they are similar to the butt hinges on older doors, its leaf tends to fit snugly against the door sash. This makes rebated hinges appear hidden when the door is closed.

The popularity of rebated hinges has diminished significantly. As these hinges are phased out, it becomes difficult to identify and find them.

Advantages of Rebated Hinges

  • Limited Visibility: Rebated hinges are extremely compact, making them very difficult to spot on the door sash.
  • Adjustable: Rebated hinges can be adjusted laterally or vertically, allowing for easy installation.

Disadvantages of Rebated Hinges

  • Difficult to Find: If the parts of a rebated hinge get damaged, broken, or worn out, they cannot be found easily.

How To Install uPVC Door Hinges

Installing uPVC door hinges is a relatively easy and simple task.

  • Step-1 - Remove the Old Hinges: With the help of a screw, loosen the screwed of the old hinges and remove the hinge slowly. 
  • Step-2 - Adjust the New Hinge: Hold the new hinge the place and screw it tightly to the door and the door frame. 
  • Step-3 - Repeat the Process: Once you have successfully installed a door hinge, repeat the same process to install and replace all the other door hinges.

Installation Tips

Installing uPVC door hinges should be done with utmost safety. Even though this project is simple, minor neglect can sometimes lead to major outcomes. Follow the below-mentioned safety measures when installing uPVC door hinges.

Safety Precautions

Follow the below-mentioned safety precautions when installing uPVC hinges:

  • Wear Protective Gear: Wear safety goggles to avoid getting dust, debris, or drill bits in your eyes. Also, wear gloves to protect your hands.
  • Handle Tools with Safety: Familiarize yourself with the tools you are going to work with and handle them with care to avoid accidents.
  • Secure the Door: Secure the door tightly. Use an extra pair of helping hands if required.
  • Use Appropriate Tools: Use tools such as a screwdriver, screws, a new hinge set, drilling machine (for drilling holes in the door), and safety instruments.


Butt hinges, Flag hinges, and Rebated hinges each have their own advantages and disadvantages. Research carefully before selecting one for your uPVC doors. Also, for the hinges to work properly, the quality of the door also matters. Invest in high-quality Internal Doors and External Doors from Emerald Doors.

FAQs on Types of uPVC Door Hinges

We often get these questions asked regarding the uPVC door hinges. Check them out.

  • How many hinges does a uPVC door have? 

As a general rule, a uPVC door has three types of hinges - Butt hinges, Flag hinges, and Rebated hinges. These hinges provide stability, security, and support to the uPVC door, ensuring smooth movement within the door frame.

  • How do you identify an uPVC door hinge? 

A uPVC door hinge can be identified by its appearance. They typically consist of a plastic or metal casing with screw holes for secure attachment to the door and the door frame. These hinges are often concealed when the door is closed. 

  • Can uPVC door hinges be replaced? 

Yes, the uPVC door hinges can be replaced. If the hinge is broken or is no longer functioning properly, you can replace it with a new hinge. Replacing worn-out hinges is necessary to maintain the smooth functioning of the doors. 

  • Which hinges have the longest life? 

Stainless steel hinges have the longest lifespan among all the hinge materials. These hinges are highly resistant to corrosion and wear, making them perfectly suitable for doors, cabinets, and other outdoor fixtures.

  • Can you adjust the hinges on the uPVC door? 

Yes, you can adjust the hinges on the uPVC door. Start by loosening and adjusting the screws on the hinges. Most uPVC doors come with adjustable hinges for fine alignment. Adjust the hinges laterally or vertically until you find the perfect position to fit them. Tighten the screws once you have a proper alignment of the hinges to your door frame.

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Author: Shabana kauser

Shabana Kauser, the Director of Emerald Doors, brings over 20 years of invaluable expertise in the door industry. Her visionary leadership has steered the company to new heights, offering an extensive range of internal and external doors while prioritizing quality and customer satisfaction. The website's glowing reviews stand as a testament to her commitment to excellence. To learn more about Emerald Doors, connect with us on Instagram, Facebook, Twitter, and Pinterest.