Specification

Architectural Information Services
An entire team devoted to assisting you with the specification process. They can answer questions and provide assistance with master specification preparation and other valuable activities at no charge to you, call them toll free:
800-522-9224 or 800-ROOF-411
or email: AIS@GAF.com

  • GAF TDG

GAF Tapered Design Group
The GAF Tapered Design Group offers a FREE SERVICE providing tapered insulation take-offs for architects, contractors, and distributors nationwide. Our specially trained team of experts — with a combined 20 years of experience in tapered installation design — offer knowledge, professionalism, hassle-free services, and results for all your tapered insulation needs.

Low-Slope CSI Specifications

Other Building Products - CSI Specifications

Quick Specs - Liquid Applied Roofing

Steep-Slope CSI Specifications

Roof Advisor
Roof Advisor is a revolutionary roof-evaluation software program that helps you select the "right" roofing system for your specific needs. Roof Advisor is designed for Professional Roof Consultants, Architects, Building Owners, Facility Managers, and Professional Purchasing Managers.