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 The cost of chimney repair will really depend on the type of repair required. 2  For instance, a cracked chimney usually costs around $1,000 to repair since it will have to be rebuilt. 3  The issue becomes worse if the cracks are left untreated. This does not have to be the case at all. 2  The old saying âan ounce of prevention is worth pounds of cureâ is true when it comes to chimneys. 3  A simple cap replacement can cost $200 to $500. 4  Reflashing the chimney can be with the same range.