How to Tell the Thickness of Aluminum Sheeting
Measuring aluminum sheeting requires the use of a tool designed to read the thickness of materials. A digital caliber can read the thickness of the aluminum sheeting and is easier to read than a standard caliber. When you are measuring the thickness of aluminum sheeting, you need to take multiple measurements around the edge of the aluminum sheeting. The reason for multiple measurements is to prevent false thickness readings, because aluminum sheeting is soft and can be compressed with no outward signs of damage. Does this Spark an idea?
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Instructions
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1
Using a clean rag, wipe both sides of the aluminum sheeting to remove dirt from the area where you will be taking a thickness measurement.
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2
Open the jaws of the caliper and slide the caliper onto the aluminum sheeting. Make sure that the aluminum sheeting is resting between the upper and lower jaws of the caliper.
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3
Push the lower jaw toward the surface of the aluminum sheeting. Continue pushing on the lower jaw until the aluminum sheeting is pinched tightly between the jaws of the caliper.
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4
Read the number on the digital caliper and write the number down.
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5
Repeat steps 1 through 4 until you have at least five measurements.
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6
Using a calculator, add the measurements and divide the sum by the number of measurements you have taken to get an average thickness of the aluminum sheeting.
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Refer to the sheet metal chart to determine the gauge of the metal, based on the average thickness of the aluminum sheeting. For example, if the average thickness of the aluminum sheeting is between 0.0286 inches and 0.032 inches, you have 20-gauge aluminum sheeting.
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