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Advertorial: The 4.09 & 1.12 Shingle Gauge: What's the Difference?
By Ryan HoldhusenHaag's 4.09 Shingle Gauge and 1.12 Shingle Gauge have very similar names. They also look a lot alike. Both have a basic shape similar to a piano tuning fork, each with a central opening where users slide an asphalt composition shingle to estimate its thickness. However, just as the basic...