As a specialist in forming concrete for driveways, patios and similar structures exposed to the weather, we are often asked questions about drainage. The basics of drainage are simple – water will tend to find its way from higher to lower elevations. Making sure it does so effectively can be a lot more complicated.
It’s an important topic, since insurance claims may be rejected if they result from a foreseeable failure of the insured’s drainage.
What are the typical consequences of poor drainage design in poured concrete?
Unwanted pooling of water after each fall of rain, or when you hose down the surface. When the pooling occurs near your house (for instance, puddles in front of your door) you risk it overflowing into your house, damaging floors, coverings and sometimes walls.