Reference Books & Tools
Created by Haag engineers, known throughout the industry not only as scientifically rigorous practitioners but also as outstanding communicators, Haag’s reference books and tools serve as handy resources in the field. Our line of reference books includes the Composition, Tile, and Wood Field Guides, as well as our new Built-Up Roofing Field Guide. Haag’s tools include our popular Shingle Gauges, which estimate a shingle’s warranty, and our Pitch Gauge and Inclinometer, which estimate a roof’s pitch.
Haag Panel & Membrane Gauge™
Pre-Order Now! BACK IN STOCK LATE APRIL 2015. The Haag Panel & Membrane Gauge™ estimates the thickness of steel and aluminum panels and single-ply membranes.
Haag Shingle Gauge Combo
Use Haag's Shingle Gauges to suggest comparable replacement shingles during damage assessment!
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. Scroll below for info and a sneak-peek video.
Crane Accidents: Causes & Trends
A comprehensive analysis of over 500 crane accident causes and trends, 1983-2013. By Jim Wiethorn, P.E.
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. Scroll below for more info, including a sneak-peek video and a how-to-use demo video.
4/09 Shingle Gauge™
The 4/09 Shingle Gauge™ measures the thickness of an asphalt composition shingle, and based on analyses made by Haag, correlates that thickness to a warranty level.