UnitBirwelco’s dedicated Storage Tank maintenance, repair & refurbishment division provides a comprehensive range of services for fixed and floating roof storage tanks, from one-off repair and modification through to major refurbishments , full-term maintenance plus design and build.  We also design and manufacture storage tanks and pressure vessels to all recognised international codes or customer requirements.  Our shop-built tanks can be sized to hold a range of product volumes , with a maximum diameter of 4.5m and unlimited lengths.  Other services include flares, fired heaters, heat exchangers, NDT, engineering, procurement, spares and aftermarket, and much more.