Field glossary

Ponding

Water standing on the roof more than about 48 hours after rain, an aging accelerant and common warranty exclusion

Used across 4 Anvilfield field guides, most in Roofing.

Also defined as

Standing water that remains on the roof past the defined window, commonly cited as 48 hours after rain
Water remaining on the roof 48 hours or more after rain, per the NRCA definition

Where this shows up