Well-designed metal roofs are durable ... You can also apply caulk sealant (rather than the liquid paint-like sealant) during this stage. Apply a thin bead of caulk to any joints or overlaps ...

Sealant applications can cost between $1.50 to $3 per square foot. The cost of painting one square foot of a metal roof is between $1.20 and $2.80. On average, painting a 1,000-square-foot metal ...