Polyform U.S.

Boat fenders are inflatable cushions that hang along the side of a vessel to absorb impact and prevent hull damage when docking or rafting with other boats. Fenders act as a buffer between your boat and a dock, piling, or neighboring vessel, protecting the hull from scratches, dents, and costly repairs.

Marine fenders and buoys are designed for any boat owner who docks, moors, or rafts their vessel regularly. Whether you own a small recreational boat or a larger cruiser, using fenders is considered standard practice for protecting your investment and keeping your hull in good condition season after season.

Choose a boat fender by matching the fender size to your boat's length and weight, since an undersized fender won't provide adequate protection. As a general rule, larger and heavier boats require bigger fenders with greater diameter and length to properly cushion the hull against docks and other surfaces.

Attach boat fenders to your vessel's cleats or rail using fender lines threaded through the fender's twin eyes, positioning fenders at the widest point of the hull where contact is most likely. Adjust the fender height so the fender sits level with the dock surface to maximize the protective coverage along your hull.

Twin eye fenders are cylindrical inflatable bumpers with attachment points at both ends, designed to hang vertically or horizontally along a boat's hull for docking protection. Round buoy fenders are spherical and are commonly used as mooring markers or all-around bumpers in situations where a cylindrical fender isn't the right fit.

Yes, quality marine fenders are specifically designed to perform in saltwater environments and resist the corrosion, UV exposure, and harsh conditions that come with regular saltwater use. Rinsing fenders with fresh water after saltwater use helps extend their lifespan and keeps the material in better condition over time.

Inflatable boat fenders are absolutely worth buying because the cost of replacing or repairing a damaged hull far exceeds the price of proper fender protection. Fenders are a low-cost, high-value piece of safety equipment that every boat owner should have on board, regardless of boat size or how often they go out.

Inflate boat fenders using a standard inflation needle or fender pump through the valve, filling them to a firm but slightly flexible pressure rather than rock hard. Regularly check fenders for air loss, inspect the valve for damage, and store fenders in a cool, dry location out of direct sunlight when not in use to prevent material degradation.

Store boat fenders in a cool, dry area away from prolonged sun exposure and extreme temperatures, as UV rays and heat can break down the inflatable material over time. Slightly deflating fenders before long-term storage can help reduce stress on the seams and valves, keeping the fenders in better shape for the next boating season.

Replacement valves and fender accessories are available through marine gear retailers that carry inflatable boat fender products, and some fender manufacturers offer accessory parts like valve screws and adapters alongside their fender lines. Having a spare valve on hand is a smart move so a slow leak doesn't leave you without protection on the water.