Which practice is an example of preventative maintenance against termites?

Regularly checking for leaks is a proactive step in termite prevention because it helps identify and address potential sources of moisture that can attract termites. Termites thrive in damp environments, so by ensuring that there are no leaks in pipes, roofs, or walls, a property owner can minimize the chances of creating an attractive habitat for these pests. Keeping a building dry and well-maintained plays a critical role in preventing termite infestations, making this option a prime example of preventative maintenance.

While other choices might contribute to the overall maintenance and defense against termites, they do not directly address the essential moisture factor as effectively as regularly checking for leaks does. For instance, installing metal siding can help deter termites to some extent, but it does not address already existing moisture problems. Similarly, using only chemical repellents may not be sufficient over time without addressing underlying moisture issues, and elevating structures can provide some physical barrier but relies heavily on site conditions and construction practices that may or may not be properly maintained. Regularly checking for leaks ultimately focuses on the critical prevention strategy of moisture control, which is key in termite management.