Standing rigging and spars: when replacement is due

Standing rigging wears out through time and loading. Check wire, terminals, chainplates, mast and spreaders, and ask when the rig was last renewed.

Updated 24 Oct 2026 2 min read

Key points

A common prompt for a thorough rig inspection is 10 years. Condition matters more than age.
Hidden corrosion at chainplates and terminals is the usual surprise.
A mast inspection may need a climb or the mast taken down.

What is standing rigging

The wires or rods that hold the mast up: forestay, backstay, shrouds, and the fittings that connect them to the mast and the hull. They carry heavy loads every time the boat sails, and they fatigue.

Age

Many surveyors and insurers use 10 years as a prompt for a thorough rig inspection or renewal, and many owners renew between 10 and 15 years. Boats that sail hard or in salt air can need it earlier, and lightly used rigs can last longer. Ask for the date of the last renewal and the invoice. See Service history: what a seller should provide.

What to look for

Broken strands in the wire, particularly near terminals. A single broken strand means the wire is due for replacement.
Cracks and rust at swaged terminals and turnbuckles.
Crevice corrosion in stainless parts, which shows as brown streaks.
Chainplates where shrouds attach to the hull. They corrode out of sight under deck seals, and leaks nearby are a hint. See Hull moisture readings and delamination.
The mast. Check the step, the partners where it passes through the deck, the spreaders and their end caps, and the halyard sheaves.
Furling gear. Bearings turn freely, and the foil is straight.
Boom and gooseneck, and the kicker fitting.

Inspecting aloft

A surveyor or rigger goes up the mast in a bosun's chair or uses a mast climber, or the mast is lifted out at a yard. A detailed rig inspection is a separate job from the hull survey, so order it early. See What a survey includes, and what a surveyor does not inspect.

Cost

Replacement cost depends on the length and type of wire or rod, the size of the boat, and whether the mast comes out. A new set of shrouds for a 40 ft cruiser is a sizeable bill, so get a quote from a rigger. Use it in your negotiation. See Post-survey renegotiation: reduce, repair or walk away.

Also useful at step 5 Sails and deck hardware

General information, not legal, tax or financial advice. Rules change; check your own case with a professional or ask us.