How do you lay artificial grass on uneven slabs?
Mia Kelly
Published Jan 20, 2026
When laying artificial grass on uneven concrete – or any concrete, for that matter – a vital part of the installation process is to install an artificial grass foam underlay. There are several reasons for installing a fake grass shockpad. Firstly, it will provide a softer lawn underfoot.
How do you lay artificial grass on uneven paving slabs?
If there are any uneven areas, spreading a thin layer of sand or other self-levelling compound will help to fill them in. Always do this on a dry day. If there are gaps larger than 25mm between each slab, this may lead to sagging once the fake grass is laid. The solution is to fill them with quick drying cement.
Can you lay artificial grass on uneven surface?
Does artificial grass need to be level? No, artificial grass on uneven ground is the perfect solution for a sloping garden area. A fake lawn installed correctly on a slope makes life much easier, reducing the need for maintenance.
Can you put fake grass over paving slabs?
But if you want to keep some natural grass in your garden or only have the option of installing on top of concrete, you may be wondering whether it is even possible. Thankfully, you can lay artificial grass on slabs.
How do you lay turf on an uneven surface?
Start by digging up the entire area where you're planning to lay your fake grass by removing older grass or a concrete patio. Next, smoothen out the surface by laying the sub-base on top of the ground which will make a soft and even surface on which you can install the synthetic grass.
25 related questions foundCan you put artificial grass on uneven concrete?
However, some people also question how to lay artificial grass on uneven concrete. It can be done with the exact same process you would use for normal concrete, but you will need to take extra care taken to ensure that there are no stones or bumps that will tear the fake grass.
How do you lay artificial grass on a patio?
Lay Down Directly on Surface
The most popular method to add artificial grass to a balcony or patio is to just simply roll it out and lay it down.
Do you need underlay for artificial grass on concrete?
We recommend that customers always install underlay when laying artificial grass on concrete. However, depending on what you want to use it for, it may be an unnecessary expense. Foam underlay will make slightly uneven surfaces level and soft to the touch.
Can you lay artificial grass on top of stones?
The good news is, if you are looking to lay artificial grass on stones, there is no need to remove them before you do so. You can actually go right ahead and lay the fake turf directly on the gravel, providing the drainage is good. Read on for full instructions and all the materials and tools you'll need for the job.
How do you lay artificial grass on a stone?
If you're laying artificial grass on paving or stones, you'll need to spread a layer of sand to fill in the gaps before you lay the foam underlay. If you need to fill any cracks, then now is the time to do this too. You can join the foam with most sorts of masking tape. Glue the foam down and allow to dry.
How do you level artificial grass?
Make sure it's levelled by using a heavy hammer, builder's plank or whacker plate – so it's compacted and smooth. The smoother the better so the rolls of artificial grass will lay better. For best results, the sand sub-base should be laid to 10/15mm in thickness.
What do you put under artificial grass?
Silica sand is the most common and effective option of sand infill. This sand is often made specifically for artificial grass. This sand infill supports protection from UV rays, which means your turf will look amazing for longer. Acrylic sand infill is another popular choice for artificial grass.
Why do you put sand on artificial grass?
The sand provides stability and protects the turf. As a result, no wrinkles or folds develop through use. The sand also surrounds the long blades of artificial grass and ensures that they remain erect.
Do you have to glue down artificial grass?
When you join two pieces of artificial lawn, as many people do if tackling a full lawn installation, then yes, you will need to glue the joining tape along both seams.
How do you glue artificial grass to concrete?
Place adhesive/glue on the concretes surface approximately 4' the entire length of section. Slowly roll section #1 down on the glued surface. Use a water roller and slowly roll the top of the synthetic turf over the glued area. Follow these steps for the next 4'of glue down until you have reached the end of section #1.
Can I use carpet underlay for artificial grass?
Do I need underlay for artificial grass? You should use underlay for your artificial grass and we recommend using a 5mm or 10mm performance pad, particularly for the permanent installation of artificial grass on decking, concrete or other hard surfaces.
Can you install artificial grass on concrete?
Artificial turf can be installed over almost any surface, even concrete. Many gyms and fitness centers are using artificial grass on concrete floors instead of carpet, partly because of its look and partly because it helps the athletes associate with the outdoors.
Is artificial grass cheaper than concrete?
Is turf or concrete more cost-effective? Artificial turf is often the more affordable landscaping option than concrete. Turf alone can typically range from $2-$8 per square foot, and installing a turf lawn can range $4-$20 per square foot including materials and labor.
How does artificial grass drain?
The roll of grass is manufactured with a holed backing that is concealed within the pile height and not visible when laid. Water simply drains straight through these holes and into the aggregate base below. Due to this, artificial lawns dry relatively quickly compared to regular lawns.
What sand do you put on fake grass?
Silica sand, unlike building or sharp sand, is a very clean form of sand that will not encourage weed growth. You can buy silica sand infill that has been designed specifically for use on artificial lawns here.
Can you lay artificial grass on sharp sand?
Sharp sand is applied onto the area you choose to lay your artificial grass before it's installed. When laying artificial grass, we recommend laying sharp sand to the thickness of 10/15mm, however, there are several steps to carry out before you lay and compact the sand! Find out more below.
What do you put under artificial turf before laying?
What Do You Put Under Artificial Grass? To perfectly lay your artificial grass onto an existing hard base such as concrete or tarmac, we recommend installing a layer of Lazy Foam underlay beneath the artificial grass. Before you lay the foam pad down, be sure to clean the surface beneath it.
How much sand do you put under artificial grass?
Around 3-4 inches of the base material is needed to improve drainage and avoid slumping. Mega Tip: Sand for artificial grass is great for easy drainage. Infill for artificial grass is also made of crushed rock. Don't put excessive sand on your installation area.
How do you fluff artificial grass?
Simply brush or rake your turf fibers against the grain to fluff them up. Raking or brushing your artificial grass lawn redistributes the blades so that they will wear more evenly and last longer. Keeping the fibers upright will also make your yard look more like natural grass.