Frequently Asked QuestionsInstallationMaintenanceOtherProductsResources Back to Top Home | Other Other Do you offer any sort of warranty on your products? Unilock provides a Transferable Lifetime Guarantee on the structural integrity of our paving stones, slabs and retaining wall units to the original purchaser of the product for residential use. Read the full details here. Are all of your products available in every region? Products and colors vary by region. When browsing our products online ensure your region is properly saved at the top of your screen so that you are viewing what is available to you locally.