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How to lay Sod over Existing Lawn

Laying sod could be a tough job, and it’s better to look for a process that makes it easier to put a new lawn. Laying new sod over existing grass could be the easy way of resodding a lawn. Many would say that laying sod on top of existing grass would be the way to go. You might also say that this process will cut down a lot of your time. But it might end up adding more time than it saves. In this article, we will also provide you with instructions on how to do it correctly and the list of materials and tools needed for such a job.

Can you lay sod over existing grass?

Although it can be the easiest way to have a new, fresh lawn, laying sod over an existing one would not be the best option. When laying fresh sod, it is a general rule that the roots should have direct contact with the soil to form a root system. It is also essential that a fresh sod should be given proper nutrients to thrive and grow. However, laying sod on the existing grass would be difficult for the roots to reach the soil because of the added layer in between them, which is the grass from your existing lawn. Now, the roots from your new lawn would have to work harder to reach the roots beneath the old lawn. This would hamper your sod from growing its roots and would likely kill your new lawn over a few weeks. 

If your new lawn is now dead, you will have to remove two layers of sod to have a fresh one. When the new lawn is taken out first, you will notice that the underlying sod beneath has become a slimy mess instead of composted nutrients. 

Related Readings:

What Is The Difference Between Sodding And seeding

Get The Perfect Home Lawn With Sodding

Do This Instead

If you decide to have a new lawn, it is best to remove first the existing lawn before installing the fresh sod. That way, the new sod can grow a healthy and robust root system, which would make your lawn more resilient, more attractive, and less maintenance.

Here is how you can resod your lawn:
  1. Remove and dispose of the existing sod. Use a rotary till to make the job easier and faster.
  2. Rake the soil, and remove debris and patches of old grass. If there are live grass left, it will spoil and affect the roots of the new sod, which will cause brown spots.
  3. Add half an inch of fresh topsoil onto the soil to balance its conditions. This is also important because the old soil might be taken out along with the old lawn. After adding, rake it again to level the soil.
  4. Moisten the soil by spraying water. Moist soil is suitable for the new sod to make a healthy root system. 
  5. Start laying your sod, offsetting the seams on each row. When putting pieces in a row, it is vital to push the ends together so the spaces between them will not be visible. 
  6. Keep the fresh lawn moist as you lay it, and water it after. Keep the edges tight as they dry out faster than those placed in the middle.
  7. Run a sod roller on the area to compact the soil of the sod and the topsoil you added.
  8. Maintaining your new sod should not be that hard. Just keep it moist by watering it thrice on the first week after the sod is installed. 

Think You Can Do It Yourself? Here Are the Tools and Materials That You Will Need (we only recommend the top reviewed products in order to save you time looking for it):

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