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.
The Average Cost of a Furnace Repair. The average price that homeowners pay for a furnace repair is $335. Most homeowners paid between $277 and $393 to have their furnaces fixed. At minimum, homeowners spent $100 for the furnace repair, while at the high end, the maximum cost was $800.There are many variables in the cost of repairing a furnace. A furnace that is still under warranty may have parts covered, but the homeowner may have to pay the cost of a service visit and for labor.ost homeowners paid between $277 and $393 to have their furnaces fixed. At minimum, homeowners spent $100 for the furnace repair, while at the high end, the maximum cost was $800. There are many variables in the cost of repairing a furnace.