Can a roof older than 10 years stop the buyer from getting a policy?

Often yes. Underwriters rarely bind a new policy on a roof older than about 10 years, and a denied or partial claim makes that worse.

Roofs older than 10 years, and why the loan can stall

Underwriters often will not bind a new policy on a roof older than about 10 years. A denied or partial claim makes that worse.

Age alone is a credit or a price cut, not a claim. A documented storm loss on the seller’s policy is the claim path. Do that work before closing.

Inspection & Assessment. Card at booking. Default price $200. The only discount code is FYPM.

Can a roof older than 10 years stop the buyer from getting a policy?: Often yes. Underwriters rarely bind a new policy on a roof older than about 10 years, and a denied or partial claim makes that worse.
Is an old roof an insurance claim?: Age alone is a credit or a price cut, not a claim. A documented storm loss on the seller’s policy is the claim path.

Longer explanation: /docs/real-estate