Proper planning prevents poor performance.
Can you turf over existing lawn. New turf must be able to make soil contact to put its roots down, therefore, any existing grass must be extremely sparse for. One final tip is a very high quality turf can give a poor match to the existing lawn so look for a reasonable match that can be improved on. Installing synthetic turf over an existing lawn simply does not allow for several important steps that are integral in the integrity and longevity of your new lawn.
You might think dropping new turf on top of the old grass will save time on preparation and give you a lush new lawn sooner. While the very short answer is yes, the more detailed answer is that it’s possible but not advisable. I'm no expert but would say that i would remove the old grass first and take.
I would say laying turf over an existing live lawn, with less than 6 of topsoil on top, is a bad idea. In this video you will learn how to lay turf from start to completion. You certainly can lay your new turf over an existing lawn.
But this method is not recommended by many experts, and that is for good reasons. 2 having turf laid is expensive, and it's worth having it done right. The results from laying new turf over old grass can.
Nowhere is this more true than when preparing to lay turf. You really need to dig over your existing lawn and incorporate horticultural grit and humus to promote drainage and provide a good level base for your new turf to grow into. And the answer is yes, technically.
There seems to be mixed opinions online with some saying yes and others no. Turf is a living plant that needs quality soil to grow. New turf must be able to make soil contact to put its roots down, therefore, any existing grass must.