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.
Roof Repair Leak. If you have a leak coming through your chimney or skylight you will need to replace the metal or vinyl flashing which seals the edges. Expect to pay between $300-$400 for the materials for this type of repair and $100-$200 for labor.