How to use this result
Use the same planning horizon when comparing alternative systems.
Service life
Actual life depends on exposure, preparation, cleaning and maintenance.
Simple totals
The calculator does not discount future cash flows.
Important: Requirements, permits, accessibility duties, environmental rules, workplace-safety obligations, product standards and inspection practices vary by country, province or state, municipality, building use, existing conditions and adopted code edition. Qualified local professionals and the authority having jurisdiction must determine what applies.