One of the main advantages of a lead roof is the versatility of lead. A lead roof can get over almost all potential problems or issues that might arise when replacing or installing a new roof. Lead is extremely malleable and can also be cut and welded to cover any shaped roof required. A lead roof uses several jointing techniques to ensure a 100% waterproof joint, the main 2 joints used are welting and wood roll joint. Which joint is used will depend on the roof design, therefore seeking an experience lead specialist for advice is recommended prior to building your roof structure.