The higher the number, the wider your teeth will be. Here is an example of the plastic molded zippers and their different size teeth. And another example, this time with nylon coil zippers: The higher the number, the wider the coil. It's that simple! I hope this helps you determine the right zipper for your project.
1 The cost to repair a chimney crown will depend on the size of the chimney and how easy it is to access the chimney. 2  Depending on the severity of the job, the average cost of chimney crown repair will range anywhere from $400 to as much as $2,200. If the chimney crown is extensively damaged, it will often have to be rebuilt. 2  If this is the case, you will be looking at a price closer to that $2,000 range. 3  However, if the chimney only has smaller hairline cracks, then the repair could be as little as $400.
1 For instance, a cracked chimney usually costs around $1,000 to repair since it will have to be rebuilt. 2  The issue becomes worse if the cracks are left untreated. 3  In that case, the price will skyrocket to more than$3,000. In that case, the price will skyrocket to more than$3,000. 2  This does not have to be the case at all. 3  The old saying âan ounce of prevention is worth pounds of cureâ is true when it comes to chimneys. 4  A simple cap replacement can cost $200 to $500. 5  Reflashing the chimney can be with the same range.