Browse Forums Paving & Concreting 1 May 28, 2010 2:28 pm Does anyone know how large your area of concrete or stencil crete used for entertaining including the driveway and side enterance needs to be before a drain needs to be included? I vaguely recall 1.2 Mtres. I'm concerned about runoff from an adjoining property in heavy rain and potentially flooding our backyard. Hi HomeOne, I'm in the midst of landscaping a cat run down the side of my house, and the recent rains have me wondering if I need to install some sort of drainage. I've… 0 12212 2 5811 I would find out how deep your clay base is and depending on the depth install a cut off drain which is more than a normal agi drain. Where the neighbouring walls is… 2 3133 |