Outdoor Concrete Slab Drainage

If there are no cracks in the concrete slab you can pour concrete right over it and slope it properly.

Outdoor concrete slab drainage.

Find outdoor drainage accessories at lowe s today. But the problems may not end there. In hot weather it can expand and if it meets with an unmovable object it will crack. If the water pools next to your home it can damage your foundation.

The standard slope for proper concrete drainage is a one quarter inch drop for every foot of length. The best way to prevent patio drainage problems is to plan for them when the slab is installed. Sometimes drainage will cause problems and that moisture can be directed away from the concrete slab. Problems such as improper slope or no slope at all can begin with the pouring of the concrete.

During rainstorms the patio collects some water thereby forming puddles since there is not a good slope to allow for drainage. Leveling existing concrete patio for drainage hello i am planning a diy project to screen in my existing and covered concrete patio. This means the end of a patio protruding 10 feet from a home will drop two and a half inches from the. Concrete expands and contracts with the temperature.

Although you can add a drain to an improperly sloped patio the best way to handle this is to make sure that the patio is sloped correctly when it is built. 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. Correcting drainage problems can cost 1 100 to 5 500. If you have a concrete pad for your patio you can actually fix it.

So to calculate the difference in height between one end of a patio or walkway and another simply multiply the length by one quarter. 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. 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. If that water stays on your patio surface it will cause damage to the structure of the concrete itself and may form a breeding ground for mosquitoes and mold.