Superior Workmanship A-1 Roofing has earned a reputation as Philadelphia’s most respected roofing, contractors. Our clients know they can depend on us for innovative solutions to their toughest home repair problems, as well as completing each project promptly, professionally, and with superior workmanship. We always provide FREE estimates! Our Mission A-1 Roofing LLC is committed to being a leader in the roofing/siding industry by setting the standards of a knowledgable, professional, dependable contracting company. We will provide superior service and be true to our word.