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.
1 A multi flue chimney cap is designed for a chimney that has more than one flue, generally 2 to 3. 2  These can cost anywhere from $130 to $250. 3  A 17â³x29â³ can cost $199 to $230. 4  For specialized or custom chimney caps, the cost can range from $150 to $350. According to the website ChimneyKeepers.com, capping a chimney through their service can range from $125 installed for a single flue to as much as $225 for a multi-flue. 2  Customized caps such as stainless steel and cooper are going to cost more than a traditional cap made from basic materials.