Frequently Asked Questions
Below are some common questions and basic answers to assist you in your coatings project. Please note that these Frequently Asked Questions provide general guidance for projects covered under the standard product limited warranties. For certified contractors seeking information regarding requirements for enhanced system guarantees, see the United Coatings™ Liquid-Applied Roofing Application & Specifications Manual and the HydroStop® PremiumCoat Liquid-Applied Roofing Application & Specifications Manual, both available at gaf.com.
For reference purposes, several detailed cut specifications are attached for certain common applications over standard approved substrates using some of our most popular coating products. GAF offers many other coating product solutions, so please visit gaf.com for additional product information, including product data sheets and technical manuals. If you have specific questions or you don’t see an answer to your questions here, please reach out to Technical Support Services for additional information or detailed requirements. To help assure a successful installation, please read the full application instructions available at gaf.com or on the product packaging prior to starting any project. For additional information, assistance related to a specific substrate, or application questions, reach out to GAF Technical Support Services at email@example.com or call 877-423-7663, option 4