Williamson Construction

Certifications & Awards

• 

  GAF CoatingsPro™ Liquid Applied Roofing Contractor

  GAF CoatingsPro™ Liquid Applied Roofing Contractors focus on coatings and liquid membranes, and can offer the Liquid-Applied Emerald Pledge™ Limited Warranty. This certification requires proper insurance and licensing, a strong reputation for quality, and a commitment to understanding the latest technology and installation methods.