Add a layer of topsoil on top of existing grass to ensure root contact.

How to lay down sod over existing lawn. To get rid of old grass, use a rototiller coupled with a rake if the grass is too thin. When sod is laid out on top of existing grass,. Be sure to cut from the soil side through to the grass side, then pat down the new edge, making sure you.

Smooth the soil with the shovel to make it. This is optimal as there is a better connection for the roots and less. Buy about a third more.

And once it’s laid out, it needs to be watered thoroughly to avoid dehydration and so the roots begin to grow and establish itself within the soil. This will give it a good start by helping the. You could just make a few patches and then lay sod next the existing grass.

Use a rotary till to make the job easier and faster. Perhaps you can lay new sod on top of the existing grass. Measure the area that needs replacing.

Remove old sod with a sod cutter to expose soil. Clear away debris and prepare the ground before you can lay new sod over your grass, you’ll need to prepare the soil. How to lay sod over grass 1.

Remove and dispose of the existing sod. If you encounter a tree or another obstacle you need. In addition to a larger space, the old lawn forms a barrier that may physically prevent root growth.