That's an excellent observation, and you're absolutely right. Traditional metal park benches can become unbearably hot in direct sunlight, making them unusable and even posing a burn risk. This is a common issue in public spaces, but thankfully, there are several effective ways to address it.
The most straightforward solution is strategic shading. Planting trees or installing permanent shade structures like pergolas or canopies can dramatically reduce the surface temperature of the bench by blocking direct solar radiation. This not only makes the bench more comfortable but also extends its lifespan.
Another approach is to move away from traditional materials. Instead of solid metal, consider benches made from alternative materials. Wood, especially high-quality hardwoods like teak or ipe, remains much cooler. Modern composites and recycled plastics are also excellent choices as they don't absorb and conduct heat like metal. For designs that require metal, opting for perforated or slatted designs increases airflow and reduces the overall heat-absorbing surface area. Applying special heat-reflective, light-colored paint coatings can also make a significant difference.
For existing metal benches, innovative add-ons can help. Installing thin, removable wooden slats on the seat and backrest creates a barrier between the user and the hot metal. In some modern public designs, you might even find benches with integrated misting systems that provide a cool spray of water on particularly hot days.
Ultimately, the goal is to create inviting public spaces. By choosing the right materials, incorporating smart shading, or utilizing simple modifications, we can ensure that park benches are a place of rest and relaxation for everyone, even on the sunniest of days.