Outdoor Concrete Slab Drainage
During rainstorms the patio collects some water thereby forming puddles since there is not a good slope to allow for drainage.
Outdoor concrete slab drainage. If your landscape prevents you from pitching the patio to allow for natural water runoff your concrete contractor can install an in slab drainage system with gravel filled channels to carry the water away. When planning a concrete patio construction project one of the most important things to keep in mind is that your patio will inevitably have water buildup during periods of rainy and snowy weather. The surface of a concrete slab is impervious to water which means that if water can t run off the surface it will pool on your patio. Leveling existing concrete patio for drainage hello i am planning a diy project to screen in my existing and covered concrete patio.
If you have a concrete pad for your patio you can actually fix it. But the problems may not end there. Find outdoor drainage accessories at lowe s today. Concrete expands and contracts with the temperature.
If there are no cracks in the concrete slab you can pour concrete right over it and slope it properly. Sometimes drainage will cause problems and that moisture can be directed away from the concrete slab. The standard slope for proper concrete drainage is a one quarter inch drop for every foot of length. Correcting drainage problems can cost 1 100 to 5 500.
It is not uncommon to see improper or inadequate drainage such as drain pipes that are too small for the amount of water they must move drain pipes that flow uphill or do not have enough drop to move water fast enough. The best way to prevent patio drainage problems is to plan for them when the slab is installed. 16 concrete slab crack repair. In hot weather it can expand and if it meets with an unmovable object it will crack.
This means the end of a patio protruding 10 feet from a home will drop two and a half inches from the. So to calculate the difference in height between one end of a patio or walkway and another simply multiply the length by one quarter. This can be a problem made worse by melting snow or a heavy rain. Problems such as improper slope or no slope at all can begin with the pouring of the concrete.