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.
It may cost you $200 to $500 for materials and tools to repair your fireplace and chimney. A mason or contractor will charge you $1,000 to $1,500 for a chimney repair project. Finally, foundations and siding are perhaps the most expensive and scariest of repair projects.