You could just make a few patches and then lay sod next 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. 5 reasons not to lay down sod over existing grass 1. Rent a sod cutter and get rid of the old then lay down the new, it would be smart to put an 1/8 inch of compost down first, you.

The sod compresses the grass and limits its exposure to sunlight and water. If you lay new sod over your existing grass, you are more likely to get weeds. Begin by watering your lawn lightly, not less than 24hrs before laying the sod.

#18 · jan 8, 2010. Remove old sod with a sod cutter to expose soil. Then start laying the sod from the straight edges to the center of the prepared part of the lawn.

Measure the area that needs replacing. Use a garden hose with a sprayer. Add a layer of topsoil on top of existing grass to ensure root contact.

You can lay sod next to existing grass to replace those struggling spots. Poor drainage in a lawn established by laying sod next to existing grass is a serious problem that comes about because of two reasons. 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.

Perhaps you can lay new sod on top of the existing grass. Air then becomes trapped between the. Lay the new sod before.