Yes, absolutely! There are several excellent eco-friendly treatments available to protect and maintain the wood on park benches. These sustainable options effectively extend the lifespan of the benches while minimizing harm to the environment, visitors, and local wildlife.
A leading choice is the use of natural plant-based oils, such as linseed oil or tung oil. These oils penetrate deep into the wood, nourishing it and providing a water-resistant barrier without releasing volatile organic compounds (VOCs). They are biodegradable and non-toxic.
Another innovative method is thermal modification. This process involves heating the wood to high temperatures in a controlled, oxygen-free environment. It permanently changes the wood's cellular structure, making it highly resistant to rot, insects, and moisture—all without using any chemicals.
For a protective surface coating, look for water-based sealers and stains that are certified low-VOC and free from heavy metals and biocides. Modern formulations offer durability comparable to traditional options. Additionally, using naturally durable wood species like cedar, redwood, or certified sustainable oak can reduce or even eliminate the need for chemical treatments.
Regular maintenance like gentle cleaning and immediate repair of minor damage is also a cornerstone of sustainable care. By choosing these green alternatives, communities can preserve their beloved park benches in a way that safeguards both natural beauty and public health.