ASTM E2140

Water Penetration Test
ASTM E2140 standard test method for water penetration of metal roof panel systems by static water pressure head.  The ASTM E2140 laboratory test covers the determination of the resistance to water penetration of exterior metal roof panel system side-seams, end-laps, and roof plane penetrations when a specified static water pressure head is applied to the outside face of the metal roof panel.