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Closing a balcony: how to do it and what are the advantages

The closing of the balcony is a resource that enhances the use of the porch and improves the experience in the projects connected to it.

By CASACOR Publisher

Submitted at Nov 25, 2025, 10:00 AM

08 min de leitura
Projeto de Mariana Leal, do Morada 31.12.

Projeto de Mariana Leal, do Morada 31.12. (Renato Navarro/Divulgação)

The balcony closing has become a frequent solution in projects that seek to expand the use of the balcony without losing brightness or connection with the exterior. With the installation of glass panels or retractable systems, the projects gain more versatility throughout the year, regardless of the weather.
Touches of color and structural elements give personality to this apartment. Project by Ricardo Abreu. In the photo, a balcony with armchairs and a bar.

Projeto de Ricardo Abreu. (Renato Navarro/Divulgação)

Before starting this type of intervention, however, it is essential to understand how the process works, what models are available, and what precautions ensure durability and safety. Knowing these elements helps to make more conscious choices aligned with the needs of each space.

Main advantages of balcony closing


The closing of the balcony allows transforming the balcony into a usable area in all seasons, expanding its function and better integrating the space with the rest of the house. With protection against rain and wind, projects such as dining areas, reading corners, or small workspaces become more comfortable.

Hydraulic tile with lady pagination gives a retro air to this apartment. Project by Ricardo Abreu. In the photo, a balcony with hydraulic tile flooring and plants.

(Renato Navarro/Divulgação)

In addition to this functional gain, the system contributes to thermal and acoustic comfort, reducing external noise and helping to stabilize the internal temperature. Another benefit is the preservation of furniture and finishes, which are less exposed to the sun, sea air, or pollution.

Different systems for balcony closing


Before choosing the best system, it is important to understand how each model works and what its aesthetic and functional particularities are. Each solution offers a different degree of opening, sealing, and visual fluidity, which directly influences the everyday use of the balcony. Below are three common formats on the market:

Retractable system (glass curtain)

The retractable system allows for completely collecting the panels, creating a total opening of the balcony when desired. It is ideal for those seeking visual amplitude and integration between interior and exterior without losing brightness. Its discreet installation values the aesthetics of the space and keeps the balcony versatile throughout the year.

Mimicked doors and off-white tones define the décor of a 1,119 sq ft apartment. Project by Daniela Funari. In the photo, balcony with a coffee nook.

Projeto de Daniela Funari. (Mariana Camargo/Divulgação)

Sliding system

With panels that slide on parallel tracks, the sliding system facilitates daily handling and ensures good durability. Although it does not offer total opening, it allows for sufficient ventilation and usually has a more accessible cost, making it a practical choice for apartments. Its more linear structure combines well with projects that prioritize simplicity and functionality.

Covered terrace with a view of the São Paulo skyline is perfect for hosting. Project by Rodrigo Barbosa. In the photo, covered terrace with decking, gourmet area, and living space.

Projeto de Rodrigo Barbosa. (MCA Estúdio/Divulgação)

Articulated system

Made up of leaves that fold sideways, the articulated system balances ventilation and protection without compromising visual lightness. It allows for partial or almost total opening, depending on the project and the number of panels. It is an option that brings flexibility to the space and adapts well to larger balconies or with heavy circulation.

Garden apartment gains winter garden with tropical species. Project by Migs Architecture and landscaping by Anna Luiza Rothier. In the photo, balcony with home office and vertical garden.

Projeto de Migs Arquitetura e paisagismo de Anna Luiza Rothier. (André Nazareth/Divulgação)

Maintenance and essential care


To ensure the good performance of the balcony closing, periodic cleaning of the tracks is essential. Dust and debris can compromise the sliding of the leaves; therefore, a soft cloth and neutral products are sufficient to keep the system in good condition. The glass should be cleaned regularly to preserve transparency and shine.

Apartment of 126 m² has a view of Sugarloaf Mountain. Project by João Panaggio. Dining room, living room, and balcony.

(Denilson Machado, do MCA Estúdio/Divulgação)

Another important care is the preventive maintenance of hardware, rubber, and fixations. Checking for any slack, slight misalignments, or wear points prevents bigger problems, such as leaks or difficulty opening. With constant attention, the system remains safe, functional, and durable. CASACOR Publisher is a creator of exclusive content developed by the Technology team of CASACOR based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.