Haag'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 two-prong shape of the gauges does not indicate that they can be used to tune pianos, the similar shape of the two gauges does not mean that they measure the same products. If you have ever heard of the Haag Shingle Gauges™ referred to as “interchangeable” or as two sizes (one ''long,” one ''short”) of the same tool, it is important to know that the two Shingle Gauges are completely different and that ONE SHOULD NEVER BE USED IN PLACE OF THE OTHER.
First came the 4.09
Haag's IAS-accredited Research/Testing lab has been monitoring the shingle manufacturing industry for over 20 years. We saw a need for a tool which could estimate the thickness of asphalt composition shingles and link that thickness to a warranty level. We aimed to support industry pros with measurements in the field so they can better prepare their roof repair and replacement estimates.
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