Water Ponding On Concrete Patio
Curing concrete slab where water could be easily retained on top of the concrete structure after it has been cast.
Water ponding on concrete patio. However the solution here can be found in the polyurethane. When it rains or snow melts i have large water puddles on the concrete sidewalk in front of my house. Birdbaths we fix those all the time using polymer modified cement overlays not a big deal at all maybe 50 worth of material squeegee structural may be another issue i d get an engineer magnetometer. Water pooling on a patio or pool deck is a potential source of moss or mildew growth concrete staining and dangerous slip hazards.
After a rainfall puddles can often form in spots that are not level on a concrete surface and the same can happen on concrete basement floors that have been flooded. Most often water ponding is due to changes in the soil beneath the concrete slab. I d just drill 1 and 1 4 inch holes in the concrete down to the undoubtedly sand and gravel fill under the patio. Exterior concrete fl oors frequently have inadequate drainage that causes small areas of water ponding.
Where the water tends to collect cut out a sloping channel in the concrete to direct the water away filling it with decorative stone or gravel. The puddles have at least 2 inches of water at the deepest point. Instead of gravel you can also have a trench or channel drain made of metal installed. Ponding standing water on concrete patio roof.
Water ponding is especially bad in front of an entrance doorway or sliding glass door where residents are forced to step in the puddle. For uneven and settled concrete water ponding can become a big issue. Ponding method is possible only on horizontal or flat surfaces of the structure i e. Water ponding is caused by lack of water runoff towards drains or slab edges.
After several years of such puddling the integrity of the concrete can become compromised. The water will drain once you get down to the natural sand and gravel that makes up 99 99999 percent of phoenix. After 48 hours standing water becomes a mosquito breeding ground. This sidewalk in parallel with the city street that has a modern rounded curb.
After cycles of wet and dry or freezing and thawing the soil beneath the concrete may become unstable and develop pockets or holes. You can however patch these indentations to reduce the chance of damage. Ponding method is one of the very well known and widely adopted methods in concrete curing. It s dangerous in the winter as the water freezes and becomes a skating rink.
Eventually the soil will not be able to support the concrete and the concrete will actually sink into the holes beneath it.