foam for boat seats

The right foam for boat seats makes the difference between cushions that stay comfortable for many seasons and cushions that stay soggy, sag, or smell musty. Boat seating faces spray, rain, sun, and constant use. Ordinary indoor foam isn't designed to handle that much moisture.

What to Look for in Marine Foam

Before you reupholster, think about how your seats get used and how wet they get. Then match the foam to those conditions.

Dry Fast Foam

Dry fast foam is an open-cell, reticulated foam. Water drains straight through it and air circulates freely, so it dries quickly. It works well for seats that get soaked often, especially when paired with breathable marine fabric.

Closed Cell Foam

Closed cell foam resists absorbing water and feels firmer. It's a common choice for helm seats, swim platform pads, and cushions that may double as flotation.

Tips for Boat Cushion Foam

• Choose a thickness that matches your seat base and the support you want.
• Pick firmer foam for seats and softer foam for backrests.
• Wrap foam in batting or a moisture barrier for a smoother upholstered finish.

Ready to refresh your boat seat cushions? Browse our selection of marine and outdoor cushion foam below to find the right fit for your project.