If the coil is located on the back of the zipper instead of the front it is an Invisible Zipper. Metal zippers consist of individual metal teeth. They are typically made from nickel, brass, aluminum and manganese.
Cost of Repair. The cost to re-line a chimney can be very expensive! Repair costs generally range from about $2000.00 to $4500.00 per flue or more! In a Real Estate transaction, you may have the opportunity to negotiate defects that are disclosed as part of the inspection process.
Creosote buildup within the flue can also provide the hazard of fire. In this chimney, Flue A, servicing the fireplace or woodstove, has a creosote buildup, cracked or missing pieces of linear, and eroded brick and mortar. The condition of Flue A can lead to fire or carbon monoxide poisoning.reosote buildup within the flue can also provide the hazard of fire. In this chimney, Flue A, servicing the fireplace or woodstove, has a creosote buildup, cracked or missing pieces of linear, and eroded brick and mortar. The condition of Flue A can lead to fire or carbon monoxide poisoning.