Haag shingle gauge, The 1/12, 12/1 Haag Engineering Shingle Gauge is the product of years of Haag’s research, testing and engineering expertise. Haag continues to minitor the industry and ecaluate the Shingle Gauge to deliver the most accurate tools possible.
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•ESTIMATES WARRANTY LEVEL OF 3-TAB ASPHALT COMPOSITION SHINGLES.
•USE ON ROOFS INSTALLED AFTER JAN. 2011.
•SLIDE THE 1/12 SHING GAUGE ONTON BUTT OF SHINGLE; DO NOT MEASURE OVER SHINGLE ADHESIVE.
•STOP AT SLIGHTEST RESISTANCE AND TAKE WARRANTY ESTIMATE.
•DELIVERS THE MOST ACCURATE ESTIMATING TOOL POSSIBLE.