Composition Roofs Damage Assessment Field Guide
Haag's most popular book is now a new, updated 2nd Edition.
Haag Panel & Membrane Gauge™
The Haag Panel & Membrane Gauge™ helps you estimate the thickness of steel and aluminum panels and single-ply membranes.
4/09 Shingle Gauge™
The 4/09 Shingle Gauge™ measures the thickness of an asphalt composition shingle to aid you in estimating the warranty level.
1/12 Shingle Gauge™ (3-Tab Only)
The 1/12 Shingle Gauge™ estimates the warranty levels of 3-Tab fiberglass asphalt shingles installed after Jan. 2011.
Metal Roofs Damage Assessment Field Guide
Our newest publication is a must-have guide featuring metal roofing. Learn how to differentiate functional damage from issues related to manufacture, installation, and weathering.
Wood Roofs Damage Assessment Field Guide
The Wood Roofs Damage Assessment Field Guide is an enhanced reference book featuring large, detailed photos and informative explanations.