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.
Please remember that chimney repair costs can very from state to state and also from contractor to contractor. Also it can depend on how much you are willing to do yourself. Let's start with the basics. To clean, sweep or evaluate a chimney it will usually run about $150 to $300.To tuckpoint a chimney from above the roof line is usually a minimum of $175.o underpin or align a masonry chimney is where it gets a little scary, for that we're talking about $2,500 to $3,000. These are the most common chimney repair costs out there and remember to please consult a professional who has experience working with the exact type of chimney you have.