Get Haag Certified ONLINE - Residential Roofs

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Get your Haag Panel & Membrane Gauges now!

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Get the latest from Haag in our monthly blog

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Books and Tools

Haag's Books and Tools

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Haag's Shingle Gauge Combo

Single-Ply Roofs Damage Assessment Field Guide

Composition Roofs Damage Assessment Field Guide

Haag Panel & Membrane Gaugeā„¢

4/09 Shingle Gaugeā„¢

1/12 Shingle Gauge™ (3-Tab Only)

Metal Roofs Damage Assessment Field Guide

Wood Roofs Damage Assessment Field Guide

Tile Roofs Damage Assessment Field Guide

Built-Up Roofs Field Guide

Haag's Shingle Gauge Combo

Single-Ply Roofs Damage Assessment Field Guide

Composition Roofs Damage Assessment Field Guide

Haag Panel & Membrane Gaugeā„¢

4/09 Shingle Gaugeā„¢

1/12 Shingle Gauge™ (3-Tab Only)

Metal Roofs Damage Assessment Field Guide

Wood Roofs Damage Assessment Field Guide

Tile Roofs Damage Assessment Field Guide

Built-Up Roofs Field Guide
The Latest from haag
News & Events

05.10.2019

DJ Estep and John Ortenblad Promoted to Principal Construction Consultants

04.23.2019

DFW CBS11 Films Hail Testing in Haag's Research & Testing Lab

04.22.2019

April Newsletter-- Haag's Test Square Method + R-Value Testing
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Haag's Monthly Blog 

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2019:
  • June-- "GIS and Laser Scanning for Oil & Gas Company-- Haag Technical Services", by Marcie Deffenbaugh
  • May-- "Haag’s Ice Ball Testing-- IBL-7" by Steve Smith, P.E.
  • April-- "Haag's Test Square Method," by Richard Herzog, P.E.
  • March-- "Hoover Dam ByPass Bridge Collapse," by Jim D. Wiethorn, P.E. 
  • February-- "For the First Time – Get Haag Certified Online", by Ryan Holdhusen
  • January-- Haag Celebrates 95 Years in Business, and "Imperial Sugar- Sugar Dust Explosion", by John Stewart, P.E.