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Sealing a keel-stepped mast may seem simple: a mast, a deck opening, a seal… and water that must not pass through. In reality, on a sailboat, this area involves a more subtle technical specificity.

In cruising or racing, when a leak appears at the mast step of a through-deck mast sailboat, repair is necessary. This involves replacing the part by unstepping the mast and removing the original seal, or adding a sealing device without unstepping the mast…

On a sailboat with a keel-stepped mast, the area where the mast and deck meet is rarely monitored. However, the mast boot sealing system seldom fails all at once.

Discovering water in the bilge of a sailboat is never trivial. The first reflex often consists of checking through-hulls, a poorly closed hatch, runoff from the cockpit, or occasional water ingress related to sailing.

Mast step leaks, how to maintain a mast step seal, how to replace a mast step seal, deck-stepped mast sealing….