Know the Signs of a Damaged Firebox
Common Signs of damage can look like the following: Cracks in the chimney masonry, Rust spots, stains, and other signs of water damage; Cracked or damaged bricks in your firebox; Missing or damaged mortar joints; Damaged damper; Poor draft and unusual odors; Animals or debris in the flue.
Firebox Repairs
Fireboxes are designed to withstand high temperatures and outside elements, but eventually will need to be repaired or reconstructed to remain safe & functional. Cracks can form from water damage, construction, or usage over time. These cracks should be monitored & inspected to determine when a repair or rebuild is necessary to protect you and your home.