08/13/2026
Ponding water, defined as water remaining for over 48 hours, can shorten the lifespan of roofs and surfaces. Proper slope is essential for effective drainage, highlighting that stagnant water often indicates design or drainage issues.
https://roofingelementsmagazine.com/tech-report-ponding-water-on-low-slope-roof-systems/
By The Asphalt Roofing Manufacturers Association (ARMA) Editor’s Note: The Asphalt Roofing Manufacturers Association (ARMA) has prepared many technical reports to aid roofers in the proper installation of various asphalt roofing systems. ARMA [https://www.asphaltroofing.org/] has granted permissio...