When your outdoor benches are exposed to rain and moisture, choosing the right cushion material is crucial for comfort, durability, and easy maintenance. The best cushions combine a waterproof or water-resistant outer fabric with a quick-drying, mildew-resistant fill.
For the outer fabric, solution-dyed acrylics like Sunbrella are top-tier. They are inherently water-repellent, fade-resistant, and allow moisture to evaporate quickly. Vinyl or polyester fabrics with a laminated PVC backing are also excellent for creating a fully waterproof barrier. Avoid standard cotton or canvas, as they hold moisture and promote mold.
The filling is equally important. Traditional foam absorbs water and rots. Instead, opt for quick-drying synthetic fills like polyfiber (a polyester cluster fill) or reticulated foam. These materials allow air and water to pass through, drying remarkably fast and resisting mildew growth. Some high-end cushions use a mesh suspension system that elevates the fill, promoting even better airflow and drainage.
For benches that are constantly wet, consider cushions with drainage grommets or a slatted design that lets water run straight through. The winning combination is a waterproof fabric shell with a polyfiber fill—it provides comfort, sheds water, and dries in the sun rapidly, ensuring your outdoor seating stays fresh and functional season after season.