Unlined chimney
The chimney has no liner inside.
Less commonFix nowChimney
Why it matters
Without a liner, the chimney wears out faster and works less efficiently.
How common is it?
Found in 1% of the homes HomeCloud evaluated, Sep 2025 to Oct 2026.
Counted by the finding's name on HomeCloud reports, so the true number can be a little higher.
How soon to fix it
HomeCloud reports list this as a fix-now item.
More roof resources
Types of roofs and how long they lastArchitectural vs. three-tab shingles, metal, tile and slate, and what a "lifetime" warranty really means.Types of roof flashing and how they workStep, kickout, valley, chimney and pipe flashing, and what to ask about in a roof replacement proposal.Replacing your roof with homeowners insuranceClaims, deductibles, depreciation and replacement cost coverage, with a North Carolina shingle-matching note.Roof shingle colors for siding and brickShingle color ideas for nine siding colors and common brick colors.
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