In civil engineering, ponding is the (typically) unwanted pooling of water, typically on a flat roof or roadway. Ponding water accelerates the deterioration of many materials, including seam adhesives in single-ply roof systems, steel equipment supports, and particularly roofing asphalt.

1. a body of water smaller than a lake, sometimes artificially formed, as by damming a stream. 2. (esp. of water) to collect into a pond or large puddle. [1250–1300; Middle English ponde, pande, akin to Old English pynding dam, gepyndan to impound. See pound 3]

2023年6月28日 · Ponding on your roof is essentially just water that collects in a low spot after a rainstorm. It’s a puddle that sits there for a while, eventually evaporating and leaving behind a coating of...

The meaning of POND is a body of water usually smaller than a lake —sometimes used with the to refer informally or facetiously to the Atlantic Ocean. How to use pond in a sentence.

2024年11月10日 · Ponding occurs when water accumulates on the soil surface due to reduced infiltration and inadequate drainage. Factors influencing ponding include soil texture, structure, density, compaction, and surface cover.

2018年6月18日 · What is ponding on a flat roof? To understand what ponding is, and why it is a problem, you need to know that a flat roof is not supposed to be perfectly flat. It should have a slight slope toward the edges and even a fraction of an inch per foot can be sufficient.

Ponding is the (typically) unwanted pooling of water, typically on a flat roof or roadway. Ponding water accelerates the deterioration of many materials, including seam adhesives in single-ply roof systems, steel equipment supports, and particularly roofing asphalt.

What is ponding? Ponding is when water collects in puddles on the roof instead of draining off in a timely manner. Some homeowners may think this small amount of water is harmless, but ponding tends to worsen over time and can have a negative impact on the roof and your whole home.

2021年9月13日 · Water ponding is the accumulation of water on flat surfaces such as slab-on-grade, flat decks, driveways or balconies. This can occur due to water seeping upward from inside (or below) the surface, or its source can be external, such as rainwater.

Ponding definition: (construction, geology) The excessive accumulation of water at low-lying areas that remains after 48 hours after the end of rainfall under conditions conducive to drying.