
Installing artificial grass on dirt can be a bit of a challenge, but with the right preparation and tools, you can achieve a lush and durable lawn.
First, you'll want to clear the dirt area of any debris, rocks, and weeds. This will ensure a smooth and even surface for your artificial grass to be installed on.
It's also essential to level the ground to prevent water from accumulating and causing damage to the artificial grass. According to our previous section, the ground should be levelled to within 1/4 inch of the surrounding area.
Before installing the artificial grass, you'll need to lay down a geotextile fabric to prevent weeds from growing up through the grass and to provide stability to the artificial grass. This fabric should be cut to size and laid out on the prepared ground, overlapping the edges by 6 inches.
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Materials Needed
To install artificial grass on dirt, you'll need the right materials. Here's a rundown of what you'll need:
You'll start with the artificial grass itself, which is the foundation of the whole project.
For a solid base, you'll need ¾” Road Base, which is essentially 3/4” rock down to dust. This will provide a stable surface for the grass to be installed on.
If you're dealing with poor drainage areas, you'll need ¾” Clear Crush, also known as drain rock, to help water flow through.
You'll also need some specialized tools, like seam tape and glue, to ensure a secure and seamless installation.
To keep the grass in place, you'll need 4” galvanized spiral turf spikes.
Finally, you'll need a bagged infill of your choice to fill in the gaps and provide extra cushioning.
Here's a list of the materials you'll need:
- Artificial Grass
- -¾” Road Base (3/4” rock down to dust)
- ¾” Clear Crush (Drain rock) for poor drainage areas
- Seam Tape and Glue
- 4” galvanized spiral turf spikes
- Bagged infill of choice
Some other materials you might need include base material like crushed rock or builder's sand, seaming tape, artificial turf adhesive, and weed barrier (if you want to prevent weeds from growing up through the grass). You might also need some basic tools like a utility blade, hammer, and shovel.
Preparing the Area
Preparing the Area is a crucial step in installing artificial grass on dirt. Measure the area you want to cover and calculate how much artificial grass you need, paying attention to any odd shape designs or corners where cuts are required. Typically, artificial grass comes in 15-foot rolls.
To prepare the base, shovel away any existing grass, mulch, pine needles, roots, and other debris. Remove as much of the current soil as possible, up to 2-1/2 inches deep.
The crushed stone base is essential for a stable foundation. It provides proper drainage and ensures an even surface for installation. To create a solid and uniform support system, compact and level the crushed stone base. This helps distribute weight evenly and prevents dips or bumps in the surface over time.
Here's a list of materials you'll need for installation:
- Weed barrier fabric
- Crushed stone base
- Artificial turf adhesive
- Seaming tape
Infill Material
Infill material is a crucial component of artificial grass installations, and it plays a significant role in enhancing stability and providing a natural look and feel to the lawn.
Infill material, such as kiln-dried sand, is applied to the artificial grass surface to enhance stability, support the fibres, and provide a natural look and feel to the lawn. This is essential for maintaining the structural integrity of the turf.
Various infill options are available, including rubber granules, silica sand, and organic infills like cork and coconut husks. Each of these options offers unique benefits depending on the specific needs of the installation.
Silica sand infill is a popular choice, and it's often recommended for its ability to provide superior cushioning underfoot. It's also relatively easy to install and maintain.
To give you a better idea of the infill options available, here's a quick rundown:
Underlay for Soil
Installing artificial grass on soil requires a solid foundation, and underlay can play a crucial role in achieving a smooth and even surface.
Underlay isn't always necessary, but it can be helpful in certain situations, such as improving drainage, controlling weeds, and protecting the artificial grass backing from damage.
You can choose from various types of underlay, ranging from essential to luxury options, with prices starting from £6.49/m to £28.99/m.
Here are some situations where installing underlay on soil might be wise:
- Drainage Improvement: If your soil has poor drainage, underlay can help minimize waterlogging and other problems with standing water.
- Weed Control: Weeds can be kept from growing through fake grass by using underlay as a barrier.
- Protection: Underlay adds another layer of protection to shield the artificial grass backing from harm caused by sharp objects or uneven soil underneath.
- Even Surface: Underlay can make the artificial grass's surface smoother and more even, lowering the possibility of bumps or unevenness brought on by changes in the underlying soil.
If you do decide to use underlay, make sure to follow the manufacturer's instructions for installation and maintenance to get the most out of your artificial grass lawn.
Measure Desired Area
Measuring the area you want to cover is a crucial step in artificial grass installation.
Typically, artificial grass comes in 15-foot rolls, so make sure to take this into account when measuring your space.
Consider any odd shape designs or corners where cuts are required, as these can affect the amount of artificial turf you need.
Double-check all your measurements to ensure you get enough artificial turf to cover the entire area.
Keep in mind that most artificial grass products come in 15’ widths, but if you’ve got seams to do, account for 14.5-foot grass sections.
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Compact the Soil
Compact the soil to ensure a smooth installation of your artificial turf. This step is crucial to avoid bumps or dips.
Use a hand tamper for smaller spaces, while a light roller or plate compactor works best for larger areas. A plate compactor is a more efficient option for bigger areas.
Start by spreading the soil out until it's level. This will make it easier to compact the soil evenly.
Work from the highest point to make the surface as level as possible. This will help you avoid uneven compacting.
Use a rake or shovel to redistribute the soil if you notice any spots that seem unevenly compacted. This will help you achieve an even surface.
Small, repeated motions with the compactor will help to flatten lumps, bumps, and divots. This will give you a smooth surface for your artificial turf.
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Cutting
Cutting is a crucial step in installing artificial grass. Typically, artificial grass comes in 15-foot rolls.

To cut the artificial turf, use a snap blade X-Acto knife with 18mm black Olfa blades. A sharp blade is essential for making clean cuts.
When cutting to a patio edge or garden edge, remove just the outer tuft along with the factory edge. This helps to create a seamless look.
Cutting to a curved edge requires a bit more patience, but with a sharp blade and steady hand, you'll make quick work of it. Fold the turf back, press it tight to the corner, and place your blade against the backing where it lands closest to the wall.
Relief cuts are essential when cutting around corners, trees, or posts. Start from the furthest outward point and cut through from the backing out to the edge of the artificial grass.
To avoid fraying the edge of the backing, use a sharp blade and make small, precise cuts. A clean cut will make for a beautiful, more natural-looking lawn surface.
Cut along the edges of the area to trim the artificial grass accurately. Make sure to carefully measure before cutting to avoid unnecessary waste.
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Laying the Turf
Laying the turf is a crucial step in installing artificial grass on dirt. Spread your synthetic turf out at least 2–3 hours before installation to let it settle and avoid any creases.
To ensure a more natural look, lay the turf out in the direction of the grass blades. Use a carpet stretcher to stretch out the turf just before seaming, if needed.
When making long cuts, cut short sections at a time and compare the edges to ensure no gaps. To keep the turf blades standing in the right direction, brush them with a broom.
- Use a sharp knife to trim the artificial grass accurately, cutting along the edges of the area.
- Make sure to carefully measure before cutting to avoid unnecessary waste.
Pay attention to the temperature and humidity, as they might affect the glue's ability to dry. Make sure the cut edges of the turf are smooth and clean to avoid lumpy seams.
Lay Turf
It's time to lay your artificial turf, and it's essential to do it correctly to ensure a seamless and natural-looking lawn surface.
Spread your synthetic turf out at least 2–3 hours before installation (or overnight) to let it settle and avoid any creases. Then, lay it out in the direction of the grass blades for a more natural look.
Use a carpet stretcher to stretch out the turf just before seaming (optional), and make sure the cut edges of the turf are smooth and clean to avoid lumpy seams.
To keep the turf blades standing in the right direction, brush them with a broom. Pay attention to the temperature and humidity since these might affect the glue's ability to dry.
To trim the artificial grass accurately, use a sharp knife and cut along the edges of the area. Make sure to carefully measure before cutting to avoid unnecessary waste.
Here are some tips to keep in mind when laying your artificial turf:
- Use a carpet stretcher to stretch out the turf just before seaming (optional).
- When making long cuts, cut short sections at a time and compare the edges to ensure no gaps.
- To keep the turf blades standing in the right direction, brush them with a broom.
- Make sure the cut edges of the turf are smooth and clean to avoid lumpy seams.
- PAY attention to the temperature and humidity since these might affect the glue's ability to dry.
Seaming
Seaming is a crucial step in laying artificial turf, and it requires some care to get it right. You'll need to prepare your edges before putting the grass in place by removing the outer three tufts on your seeming edge, trimming the backing tight to the tuft being seemed, and removing the excess backing.
To ensure a perfect seam, carefully trim the edges of your artificial grass pieces, removing three tufts from each to create a nice vertical edge. This will make it easier to seam the pieces together.
You may need to cut some narrow lengths of artificial grass to fit around objects or edges, so it's a good idea to do this in advance to make the process easier. Simply cut right down the centre of the tufts to create your first piece to lay against the far edge of the yard.
When seaming, make sure each roll of turf pieces is placed in the same direction, and get it close to position before cutting the artificial grass. This will help you avoid any gaps or uneven patches.
To seam the edges of artificial grass, you'll need to use seaming cloth, also known as artificial grass tape. Lay the seaming fabric along the seam's length after pulling back the grass, and secure it using 6-inch galvanized nails or landscape anchors.
Here are some tips to keep in mind when seaming:
- Use a carpet stretcher to stretch out the turf just before seaming (optional).
- When making long cuts, cut short sections at a time and compare the edges to ensure no gaps.
- Brush the turf blades with a broom to keep them standing in the right direction.
- Make sure the cut edges of the turf are smooth and clean to avoid lumpy seams.
- PAY ATTENTION TO THE TEMPERATURE AND HUMIDITY, as these might affect the glue's ability to dry.
Infilling
Infilling is a crucial step in laying the turf, and it's where the magic happens. The right infill material can make all the difference in the world.
You'll want to choose an infill material that suits your specific needs, such as kiln-dried sand, rubber granules, silica sand, or even organic infills like cork and coconut husks. Each option has its unique benefits, so research and choose wisely.
A consistent infill layer is key to a smooth surface underfoot. Apply your infill material in a thin layer each time, and aim for a uniform spread. This will make all the difference in the world as you walk on the turf.
For a less traffic-heavy install, silica sand is a great option. However, for a more heavy-duty application, like a pet-friendly lawn, you may want to consider a combination of infill materials, such as 50% PureZEO Pro and 50% Wonderfill.
To infill the bulk of your artificial grass, use a drop spreader with an adjustable spread rate. This will give you a consistent and even layer of infill. For the edges and corners, a grain shovel will come in handy.
Secure the Edges
To secure the edges of your artificial grass, you'll need to use edging materials, which play a crucial role in maintaining the perimeter integrity of the turf.
Edging prevents shifting or movement, adds a clean and finished look, and helps contain the infill material within the designated area.
You can use seaming cloth, also known as artificial grass tape, to join multiple rolls of artificial grass together. This should be laid along the seam's length after pulling back the grass.
To secure the edges, you can use 6-inch galvanized nails or landscape anchors, which can be fastened using a hammer.
Kiln-dried sand is essential for infilling the grass, providing stability and resilience to the turf, and keeping the blades of the grass upright.
By securing the edges and infilling the grass, you'll enhance the stability, aesthetics, and longevity of your synthetic turf installation.
Finishing Touches
After infilling, excess infill can get trapped between the outer grass blades and the perimeter wall, causing them to lean away from the wall and press into neighboring existing grass blades.
To remove this infill and allow your outer grass blades to relax, use a shop vac around all edges of your project area that have a perimeter wall. This will give you a loose natural finish to your edges.
You can also use a leaf blower to remove any debris left on the surface from artificial grass installation, and then give the area a thorough spray down with the garden hose.
Some infills can leave a light dusting on your grass blades, so it's essential to give the blades a good rinse to allow their true colors to show.
Properly brushing back up against the wall with your power broom will also help to remove any trapped infill and get your blades standing up straight.
To ensure a beautiful and long-lasting artificial grass lawn, make sure to give the blades a good rinse to remove any remaining infill.
Here are some additional tips to keep in mind:
- Use a shop vac to remove excess infill from the edges of your project area.
- Give the area a thorough spray down with the garden hose to remove any remaining debris.
- Properly brush back up against the wall with your power broom to remove any trapped infill.
By following these finishing touches, you'll be able to achieve a beautiful and natural-looking artificial grass lawn that will provide years of enjoyment for you and your loved ones.
Professional Setup
To set up your artificial grass like a pro, you'll want to start by acclimating it to the sun for at least 1-2 hours before installation. This will make the backing less stiff and the turf easier to work with.
Always stretch and install the turf taut, using a carpet stretcher if needed. This will ensure a smooth and even surface.
One yard of base materials will cover 80 square feet at 4 inches depth, so be sure to calculate your needs accordingly. You'll want to have enough material to cover the entire area.
Don't overlap seams when installing the turf, as this can create a visible joint. Take your time and make sure each piece fits snugly together.
To avoid creating a noticeable dip, don't drive nails into the base too far. Instead, use a gentle touch to secure the turf in place.
Before filling, always hand or power broom the turf to remove any debris or dirt. This will ensure a smooth surface for the infill materials.
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To maintain the turf's integrity, always run the grain of the turf in the same direction. This will prevent any uneven wear and tear.
For a professional finish, use a 2×4 (for straight line installations) or 1×2 (for curve line installations) of synthetic or pressure-treated wood bender board around the perimeter of the turf area. This will frame and protect the turf from soil and debris.
When selecting infill materials, stick to the manufacturer's recommended options. The amount of infill needed will vary, but a 50lb bag typically covers 30 square feet of turf.
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Maintenance and Care
Maintaining your artificial grass on dirt is crucial for its longevity and appearance. Regular brushing helps prevent debris accumulation and maintains its lush green appearance.
To prevent flattening, use a stiff bristle brush to fluff up the fibres. This simple trick can restore the grass's natural appearance.
Regularly removing solid pet waste and hosing down the affected area can prevent odours and discolouration. Don't let pet accidents ruin your beautiful artificial grass!
To clean stains, use a gentle soap solution and water, followed by thorough rinsing. This will prevent stains from setting in and ruining your grass.
Here's a quick rundown of common issues and their solutions:
- Flattening: use a stiff bristle brush to fluff up the fibres
- Stains: clean with gentle soap solution and water, followed by thorough rinsing
- Pet waste: remove solid waste and hose down the affected area
Frequently Asked Questions
What is the best thing to put under artificial grass?
For a stable and well-draining base, use a 1-2 inch layer of 3/4 inch or smaller crushed stone or gravel under artificial turf. This provides the ideal foundation for a long-lasting and safe artificial grass installation.
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