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Klosen / Blog  / Different Slimline Door Components Explained
Cortizo Slimline Sliding Door

Different Slimline Door Components Explained

If you’re in the market to purchase a slimline door, you’ll want to know what all the different parts are and how they work. Or, more to the point, how they can enhance the quality of your property.

Panes or glazing

The panes are the actual windows. These can be double or triple glazed.


The frame includes the head, sill and jambs. With slimline sliding doors, these are slim to allow for great views and natural light exposure. The head is at the top and the sill is at the bottom. The jamb is the vertical part of the frame that connects the head to the sill. The frames are often manufactured from aluminium for a robust, contemporary finish that’s designed to last.

Door leaf

The door leaf refers to each separate panel. Most internal doors are a single door leaf. But with slimline patio doors, it’s normal to have multiple leaves joined together. For more contemporary spaces, it’s common for a slimline door to replace an entire wall.

Opening mechanism

Two popular opening mechanisms for slimline doors include bi-fold and sliding. Bi-fold allows you to fold the doors and push them to the other side of the room. This enables a more open access between your interior and exterior spaces. On the other hand, slimline sliding doors allow you to slide door leaves to one side – a neat, minimal choice.

You should also have a choice of handles for an easy, secure and ergonomic experience.


The threshold closes the gap between the bottom of a door and the floor. Thresholds are great for insulation as they seal the opening to prevent air, rain, and snow from entering. With slimline doors, you should be able to choose from a range of threshold options.

Looking for slimline doors for your home or commercial building project? The expert installers over at Klosen can help. We supply contemporary windows and doors across Cambridgeshire, Lincolnshire and London, partnering with only the finest manufacturers from across Europe. Contact us today to discuss your project and find out more about our products.

Klosen UK

Klosen UK provides luxury and bespoke aluminium doors and windows for your home. We hope you have enjoyed your read.

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