Several conditions can produce the same observation. An on-site assessment should test plausible causes and document limitations before a repair is selected.
Can I keep using the fireplace or appliance?
Do not retrieve a loose cap from the roof. If it threatens to fall, keep the area below clear and arrange prompt professional removal.
What should I photograph or record?
Safe ground photos and the number of flues Recent storm or roof-work timing Animal sounds, debris or water entry Any appliance or factory-built system model information
What type of company should I contact?
Look for a company with relevant experience in chimney cap installation and replacement and your appliance type. Confirm services, qualifications and current insurance directly.