CTS Aluminium geodesic dome roofs Aluminum dome roofs have developed into a frequently used roof system for covering large areas. Domes are used for covering storage tanks, bulk storage facilities, waste water facilities and for aesthetical architectural projects. Aluminum dome roofs are lightweight, strong, therefore all aluminium geodesic dome structures can create breathtaking possibilities. CTS has an extensive track record with providing aluminium geodesic domes in the petrochemical bulk storage industry.