二、 预防维护Preventative Maintenance
防患于未燃，延长建筑使用寿命，节约生命周期成本
A pro-active maintenance can save life-cycle costing and assure maximum roof life.
1. 屋面清洁 Scheduled Roof Cleaning
定期清洁屋面和天沟，保证雨水及时排出
Clean roof and gutter regularly to assure rain drainage.
2. 预防修补 Scheduled Walk-on Inspections and Preventative Repair
定期对易渗漏部位进行预防性修补
Conduct regular pro-active maintenance on leaks.
3. 系统保养 Scheduled Overall Maintenance
定期更换老化胶泥、补充缺失铆钉、紧固松动的螺丝
Regularly replace aging sealant and fix lost and loose Rivet and Screw.
