New build home lawn areas suffer terrible compaction during construction which can be catastrophic if not dealt with. Cultivate or remove existing hard pan and cap off with at least 150-200mm of fresh topsoil. A healthy root zone is the foundation to a healthy lawn!
Sometimes starting new is best.Poor conditions and unhealthy root zones are symptoms of years of neglect. Avoid the stress of fighting a losing battle.Spray out existing lawn and weeds with Glyphosate (2 treatments may be necessary). 10-14 days later cultivate to a depth of 150mm.Remove dead organic matter and stones.Bring in fresh topsoil to fill any depressions and remedy any unevenness.
Probably the most critical stage of preparation, so worth spending time on. Fresh screened soil is the most expensive route but is far less labor intensive and allows easy tie-ins to kerb and foothpath edges and compacts evenly under foot. Once area has been levelled and raked out evenly, lightly thread heels into surface to compact.The flat side or back of a wide rake can be used to smooth over the surface. You are now ready to lay. Do not water soil before laying Instant Lawn. It will only stick to your boots and give an uneven finish.
Multiply the length by the width to get a square meter amount. If the area is an irregular shape, divide into two areas and add them together. For intricate and awkward lawns or curved areas allow 10 % extra for trimmings and tieing in.
If you have the resources, get it installed. You will not regret it! Grass thrives when irrigated late at night or early morning. Timers can easily be set up saving time and water.It will also add value to your property.