There's less slate, less weight and easier installation with the Nu-lok system design. Nu-lok uses premium components that are designed to last, taking advantage of the longevity of slate. See our 50 year warranty. Tested and proven -- meets and exceeds building code standards. See the details. Integrate solar panels into your Nu-lok slate roof. Installed on homes and buildings worldwide. Nu-lokusa slate roofs are provided with genuine Greenstone Vermont Architectural Roofing Slate.
