Never re-roof again. North Carolina's Best Metal Roofing and Flat Roofing Systems. You can solve your roofing problems for life with Interlock® Lifetime Roofing Systems. Interlock® aluminum roofs are built to last, conserve energy, and safeguard the environment. In fact, they’re so durable that the first time you replace your roof with our product, you’ll never have to re-roof again. NEVER. We make it easy by providing you flexible financing options, an abundant selection of designer styles and colors, and a lifetime transferable warranty. Choosing Interlock lifetime roofing products means less dependence on energy resources, less pollution in your area, and less money out of your pocket over time. Interlock® Roofing has created a unique slate-styled product that has the look of traditional slate. Never re-roof again. NEVER. Interlock® Features: • Lifetime Limited Warranty • Energy Star® Rated • Curbside appeal • Weather and wind resistant • Low maintenance • 9 designer colors • Superior strength / Durability • Protected by Alunar® embedded with TEFLON® surface protector • Non-combustible "Class A" Fire Rated available Interlock Roofing Ltd. offers a highly durable aluminum roofing product available in a range of different colors, opening up an extensive palette for homeowners and designers. Interlock® roofs are exclusively protected for a lifetime by the Alunar® Coating System embedded with TEFLON® surface protector.