Perhaps you can lay new sod on top of the existing grass.

Laying down sod over existing lawn. This quickly kills the already existing grass in much the same way that a brick left on a lawn kills the grass beneath it. Maybe you don’t have to lay a new lawn. When sod is laid out on top of existing grass, the water that’s meant to go to the sod will seep through to the grass below away from the new roots.

Measure the area that needs replacing. #18 · jan 8, 2010. And while laying sod over your existing lawn seems like a pretty sweet idea, it may kill your new sod, especially if the grass can’t make contact with dirt.

Weeds thrive in the sunlight and will quickly overtake your lawn if given the opportunity. Clear away debris and prepare the ground before you can lay new sod over your grass, you’ll need to prepare the soil. 5 reasons not to lay down sod over existing grass 1.

Then start laying the sod from the straight edges to the center of the prepared part of the lawn. Add a layer of topsoil on top of existing grass to ensure root contact. Lay the new sod before.

Use a garden hose with a sprayer. The sod compresses the grass and limits its exposure to sunlight and water. Adding a layer of grass below the new.

This is because when the new sod is laid on top of the old. If you lay new sod over your existing grass, you are more likely to get weeds. The delicate roots of your new sod need to be able to reach out into the soil to enable the turf to be firmly rooted.