Verifying Class-C Fire-Rating for Standing Seam Metal Roof

Hi All-Most of my work in Southern California is with asphalt shingles, which are easy to achieve a Class-A roof. For a project I am working on now our clients… Hi All-Most of my work in Southern California is with asphalt shingles, which are easy to achieve a Class-A roof. For a project I am working on now our clients…Read MoreGreenBuildingAdvisor