For homes in areas with extreme weather, high heat, or intense sun exposure, high-quality acrylic paint is the best option. Acrylic paint is durable, resistant to both heat and cold, and provides a protective barrier with excellent UV resistance. For best results, look for acrylics that contain natural earth pigments, which are better suited for resisting sun damage. While oil-based paint is also durable, it can be prone to fading in high heat and can become too viscous to apply easily in cold temperatures. Additionally, choosing a neutral or light color like gray, beige, or white can help, as these colors absorb less heat than darker shades.

Painted decks typically require a new coat about once every ten years. In between new coats, it's best to maintain your deck by regularly removing debris, washing it down with non-abrasive cleaners, and staying ahead of structural issues, such as loose boards and rotting wood. In some cases, painting a small section of your deck affected by damage or the sun can lower your costs and workload.

Staining a deck with a rag is typically a better option than using a brush, as it helps the stain penetrate deeper into the wood. However, both brushes and rags are best reserved for detailed work because using these tools on an entire deck can require tediously crawling around on your hands and knees. A pad applicator, sprayer, or roller are preferred alternatives to applying stain over the majority of a deck. Use a rag for railings and other detailed work, and let the wood soak up as much of the stain as possible before wiping away drips or pools.

A wood deck requires annual cleaning and regular inspections for loose or broken boards, nails, and screws. It should be refinished by applying a stain or sealer every two to three years to protect the wood from water damage, rot, mildew, and sun fading. The exact frequency can depend on the climate and the deck's exposure to sun and moisture. If your deck is painted, it will need repainting approximately every 10 years. Signs that your deck needs refinishing include faded, splintering, or warping boards.