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The main advantage of sliding doors is optimizing the interior space of a room, allowing us to make the most of small spaces, as well as separating two areas when needed.
Depending on the material (transparent glass, frosted glass, wood, etc.) the doors are made of, they will better match the home’s decoration style and provide more light to the rooms connected by the sliding door.
For example, in an apartment in Barcelona’s Eixample, where apartments are usually small and narrow, and square meter prices are very high for purchase or rent, installing a sliding door of transparent or frosted glass will always provide more light and a sense of spaciousness.


4. Sliding doors help merge spaces and give more openness to the rooms they connect: when the door is open, the first space adds to the second.
5. They elongate spaces, especially if the sliding door extends from floor to ceiling. This is essential because opening the door creates spatial continuity, more volume, and a seamless ceiling line. Otherwise, the wall visually interrupts this continuity.
If you are wondering, “Which is better, sliding or swing doors?” one of the disadvantages of sliding doors is that they do not provide complete insulation or airtightness. Traditional swing doors close the space more completely but take up more floor area, whereas sliding doors make the most of available space.

Glass sliding doors, whether transparent or frosted, can be very thin (1 cm thick), giving a light, airy feel to the space while letting light pass through, brightening both rooms that share the door.
White-lacquered wooden sliding doors are thicker than glass doors, approximately 4.5 cm, giving them more presence as a separating element when closed.
Unlike glass sliding doors, they provide continuity along the wall until opened and hidden.
We can also choose noble wood doors, such as American walnut, if we want the separated rooms to convey warmth and elegance.





The sliding door that divides the living-dining room in this interior design project of a Sant Gervasi apartment allows the connected rooms to remain open, creating spaciousness and brightness.
However, when privacy is needed in the office area, closing the two white-lacquered sliding doors isolates the living-dining area from the office.






This is everything you need to know about the advantages and disadvantages of sliding doors, the different types and styles available, and more. If you need personalized advice, don’t hesitate to contact us. At Coblonal, we have years of experience in interior design, so we know exactly how to guide you.