What are the thermal expansion issues with aluminum outdoor armchairs in direct sunlight?

Aluminum outdoor armchairs are popular for their lightweight and rust-resistant properties, but they face significant thermal expansion issues when exposed to direct sunlight. Aluminum expands when heated, which can lead to warping, loosening of joints, or even structural damage over time. Prolonged exposure to high temperatures may also cause the surface coating to degrade, affecting both aesthetics and functionality. To minimize these effects, choose high-quality, heat-treated aluminum frames and ensure proper ventilation or shading for your outdoor furniture. Regular maintenance, such as tightening screws and checking for stress points, can also extend the lifespan of your aluminum armchairs. Understanding these challenges helps in making informed decisions for durable outdoor seating solutions.