This article shows you how professionals work out how much topsoil to buy. Use a roller or back of a spade to tamp down the soil and firm it down. Turf underlay is the foundation or bed for your turf to grow on, you only get one chance to get this right as once your turf is down it’s too late. In order to provide you with the best advice, there are a few things to take into consideration: The type of soil currently in your garden. Give the soil another rake to rough up the surface a bit. You should have worked out your area already to order your turf, multiply this by the depth of the soil, and then multiply by 1.6. Topsoil is the uppermost layer of soil, which is high in nutrients and organic matter. Make sure all weed roots are removed as they will grow up through the new turf. I wouldn't really use topsoil either but more turf underlay. Order your turf. It’s very hard to estimate the amount of topsoil you will need for a landscaping project. The amount of soil you need can be easily calculated using the formula (area x depth x 1.6). How do I work out how much soil is needed? Turf Underlay. Soil also gets all the levels right before you put your turf down. It can be used for making new beds, borders, raised beds or as a base for lawns, where the natural soil is … When your turf is delivered, you need to lay it pretty quickly, preferably within 24 hours, but certainly within 2 days, so having time to screen and spread the topsoil without the pressure of a pile of turf sitting waiting to go down makes things easier and you'll do a better job of it. Measure the area and your turf company will tell you how much you need. Then your grass stays greener for longer without rain or irrigation. Just as a guide, to work out the quantity you intend to purchase, multiply the length and the width of the site area you need topsoil for. It is widely available to buy in bags or in bulk from specialist suppliers, garden centres and DIY superstores. For … The measurement result is the size of the surface, which should then be divided by 30. Rake the surface to be turfed to remove stones and make level. Whether you are installing a new lawn, or you need to topdress an existing lawn, what is the best soil for turf? Usually has a bit of ash and clay in the soil to help hold the moisture in. Well if you want a lawn that stays greener and is level than yes you do need soil. When it comes to buying topsoil or turf, guestimating just isn’t good enough. Calculating how much topsoil to buy. How much topsoil you need to get will depend on what type of problem you’re trying to fix before laying the turf. One of the most common questions asked about how to install turf is whether or not you need to invest in all-new soil for the turf to be planted in.