XTN Sustainable Life-cycle Asset Management (XTN-SLAM) provides technical advice and direction to clients relative to the physical and economical performance of built assets. Specifically, XTN-SLAM offers service life assessment and planning services. These services make use of conventional procedures as well as state-of-the-art techniques in the following in the areas: service life prediction; functionality assessment; whole life and life-cycle costing and comparison; life-cycle management; sustainability assessment; and sustainable design.