Nicolock is the hardscape products expert you can trust for trendsetting styles that will last a lifetime. U.S.-owned and operated for more than 50 years as an industry leader in the production and supply of hardscape products, including interlocking paving stones, architectural paving slabs and retaining wall systems. Nicolock’s hallmark is its patented Paver-Shield™ manufacturing process, delivering superior top-to-bottom color blending for long-lasting beauty. All pavers are made with patented Paver-Shield manufacturing technology have an ultra dense surface and richer, more vibrant color throughout the thickness of the paver that will not fade for beauty that will last a lifetime.