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Are balcony solar mounting systems suitable for different types of balcony structures?

Are balcony solar mounting systems suitable for different types of balcony structures?

Taizhou Dongsheng New Energy Technology Co., Ltd. 2025.07.24
Taizhou Dongsheng New Energy Technology Co., Ltd. Industry News

Classification of balcony structure types and their impact on the mounting system

Different types of balconies have their own structural characteristics, which directly determine the installation method and fixing form of the solar mounting system. Common balcony types include cantilever, semi-enclosed, enclosed, and floor-standing types. The load-bearing capacity of cantilever balconies mainly depends on the wall and beam structure. When installing the bracket, it is necessary to focus on the weight distribution and wind load. Enclosed or semi-enclosed balconies may have walls as auxiliary support points, which is convenient for setting up wall-mounted brackets. Floor-standing balconies are relatively stable and can accommodate larger brackets or even small tracking systems.

Balcony Type vs. Bracket Installation Adaptability

Balcony Type

Description

Adaptability to Bracket Installation

Cantilevered

No lower support, extended by beams only

Requires lightweight brackets to avoid overload or unbalanced load

Enclosed

Surrounded by three walls

Can use wall-mounted or floor-supported brackets

Semi-enclosed

Partially enclosed, relatively stable

Suitable for mixed support with columns and walls

Ground-supported

Supported from the ground, stable structure

Flexible bracket options, suitable for larger systems

Matching of bracket structure and balcony compatibility

Balcony solar brackets can be divided into tilted, vertical, adjustable angle and other structures. Their compatibility needs to be selected in combination with balcony space, height restrictions and orientation. If the balcony is severely blocked, a vertical bracket can be selected to increase the panel angle; if the space is narrow, a wall-mounted bracket needs to be customized to save floor space. Some brackets also provide fine-tuning mechanisms, which can adjust the angle according to the season or light changes to improve photovoltaic efficiency.

The impact of material selection on the adaptability of balcony structure

The bracket materials are mainly aluminum alloy, stainless steel, and hot-dip galvanized steel. The aluminum alloy structure is light and suitable for cantilever balconies that are sensitive to loads; stainless steel and hot-dip galvanized steel are more suitable for balcony structures with strong bearing capacity. Surface anti-corrosion treatment is very important for open-air balcony systems, which can extend the service life of the system and reduce the risk of damage to the wall structure.

Bracket Material vs. Balcony Type Suitability

Material Type

Key Features

Suitable Balcony Type

Aluminum Alloy

Lightweight, corrosion-resistant, easy to install

Cantilevered, enclosed, small-scale systems

Stainless Steel

High strength, strong weather resistance

Ground-supported, semi-enclosed

Hot-dip Galvanized Steel

Moderate cost, stable structure

Ground-supported, large balconies

The diversity of installation methods improves adaptability

The installation methods of balcony solar brackets include expansion bolts, chemical anchoring, clamp fixing, embedded parts welding, etc. For existing residences, non-destructive clamp fixing methods are more often used to avoid damaging the balcony structure. If a new building is built, anchor points can be reserved during structural design to improve the bearing capacity and safety of the overall mounting system. The flexible combination of different installation methods helps to adapt to various building structure differences.

The importance of structural safety assessment in balcony installation

Due to the limited load-bearing capacity of the balcony structure itself, especially in cantilever structures, accurate structural load analysis is required for the installation of solar brackets. Static loads (component weight, bracket weight), wind loads, snow loads, etc. should all be included in the assessment scope. Some professional manufacturers will provide corresponding load-bearing test reports and installation guidance plans when designing balcony mounting systems.

Load Type and Assessment Focus

Load Type

Description

Assessment Focus

Static Load

Weight of solar panels and brackets

Whether it exceeds the balcony’s load capacity

Wind Load

Lateral pressure from strong winds on system

Balcony railing height, wind-facing area

Snow Load

Snow accumulation affecting structural burden

Panel tilt angle and snow-shedding capability

Actual application cases illustrate the wide adaptability of balcony structures

Some residential communities and apartment buildings have successfully installed solar mounting systems on different balcony structures. For example, a wall-mounted aluminum alloy bracket is used on a south-facing balcony, and each household can realize a 200W small photovoltaic device for LED lighting; in another independent balcony, a column-type adjustable angle bracket installation component is used to provide power support for the energy storage system. Actual applications show that through appropriate structural selection and installation design, the balcony system can be adapted to most common balcony types.

Balcony solar mounting system has a variety of structural adaptability

The balcony solar mounting system is flexible in design and materials, installation methods, and load-bearing control, making it have a strong balcony structure adaptability. Whether it is a cantilever balcony, a floor-standing or enclosed balcony, as long as it is reasonably planned in combination with specific conditions, most types of balconies can be used as a usable platform for distributed photovoltaic systems. In the process of promoting green energy, the use of balcony space will become one of the important technical development directions.