Save over 25% when you purchase the Composition Roofs Field Guide, 4/09 Shingle Gauge™ + 1/12 Shingle Gauge™ all together.
Haag Education presents the Single-Ply Roofs Damage Assessment Field Guide!
Haag's most popular book, now in a new and updated 2nd Edition!
The Haag Panel & Membrane Gauge™ helps you estimate the thickness of steel and aluminum panels and single-ply membranes.
The 4/09 Shingle Gauge™ measures the thickness of an asphalt composition shingle to aid you in estimating the warranty level.
The 1/12 Shingle Gauge™ estimates the warranty levels of 3-Tab fiberglass asphalt shingles installed after Jan. 2011.