How to Fasten Metal Roofing in High Wind Areas
Metal roofing is a popular form of roofing in all areas of the country. Like any other type of roofing, in high wind areas, you must take extra measures when fastening the roofing. Installing metal roofing in high wind areas follows the same procedures as roofing in normal areas with just a few extra steps to follow when fastening the metal panels to the roof. With the proper instruction and technique you can complete this in no time. Does this Spark an idea?
Instructions
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1
Ensure there is underlayment already installed to serve as a water barrier and extra resistance in high wind areas. Inspect the underlayment to make sure it is properly nailed to the plywood underneath and no pieces are sticking up. Nail down any pieces or parts that are protruding.
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2
Line up the first piece of metal roofing beginning on either side of the roof. Straighten it so it is flush with the side of the roof and hanging over 3/4 of an inch from the eave.
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3
Fasten screws into the metal panel beginning on the high side of the first rib. Install another fastener six inches down and continue down the first metal panel. Move over to the next high rib and repeat the same process. Continue until you have installed fasteners into all the high ribs.
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4
Install eave clips about two inches from the eave. Clip it onto the panel and attach it to the eave overhanging the roof. Install a second clip about four inches from the first and continue down the metal panel, installing clips every four inches.
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5
Lay out the second piece of metal roofing and overlap it with the first by one high ridge. Install it in the exact same manner by first fastening it down and then installing eave clips for extra protection from the wind.
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Continue fastening the metal roofing in the same manner all the way around the roof and cut it to size with tin snips when you reach the end of the house.
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Tips & Warnings
Use screws long enough to go through the metal roofing, underlayment and plywood and still have one inch left over. This will help increase the strength of the roof for high wind areas.
Be careful when using a ladder. Make sure it is on steady ground while in use.