How to Install Artificial Turf

With proper installation, an artificial lawn requires no regular maintenance apart from an occasional spray to keep it clean.^{[1]
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Expert Source

Benjamin Hansen
Licensed Landscape Contractor

Expert Interview. 6 October 2020.} The installation itself can be intense, especially for a large lawn, so recruit a few strong friends to help with the process. Even though upkeep is significantly reduced, occasional care is needed to maintain aesthetics and longevity. Despite the intensive setup, the long-term convenience of reduced maintenance makes artificial lawns an attractive choice, prompting users to consider trade-offs between installation effort and ongoing ease.

Things You Should Know

Remove any weeds with weed killer, then use a rototiller to remove the top layer of soil to start with a clean slate.
Install a waterproof lawn border along the edges of the area, and lay down a weed barrier. Then, spread a base material like crushed rock or gravel.
Roll out the turf and use a carpet cutter to trim it to shape. Join the edges with seaming material or tape. Then, fasten the perimeter with stakes or edging.

Part 1

Part 1 of 3:

Preparing the Area

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For any existing vegetation (grass and weeds) in the area where you want to lay your turf, start by spraying with Round-Up or a similar product to kill all of the vegetation in the area. Do this at least two weeks before you start your project to give it time to work and kill off all of the vegetation in the area. This will help to ensure that all of the plant material is dead down to the roots.
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Remove the top level of soil. If installing the lawn over soil, dig up the top 3 or 4 inches (7.5–10 centimeters) of sod to make room for the new base.^{[2]
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Expert Source

Benjamin Hansen
Licensed Landscape Contractor

Expert Interview. 6 October 2020.} You can use a small rototiller to help you dig up the lawn and break up the soil. Remove all existing grass and other plants, or they may create an uneven surface after they die.^{[3]
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- Let rain-soaked soil dry for a few days before you excavate, to prevent slumping.^{[4]
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- While the remaining surface doesn't need to be perfectly graded, walk over it or use a hand tamp to compact any obviously loose soil. A slight slope is recommended to improve drainage.
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3
Plan your drainage. Installations over well-draining soil should have few issues with drainage, as the artificial grass should be permeable to water, and the aggregate base described below provides an additional drainage layer. If you are installing the lawn over poorly-draining soil or a hard surface such as concrete, take the following precautions:
- If there is no drain near the lawn, install a drainage system before you continue.
- If your area only experiences light rainfall, it may be enough to leave small drainage gaps every 6" (15 cm) around the perimeter.^{[5]
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Install a border. Install a waterproof border along the perimeter if one is not already present, in order to keep the lawn from slumping or separating over time. A plastic bender board is a common, effective option.
- If you're interested in a more involved overhaul, you can pour a concrete curb around the area instead.
- Make sure the border won't protrude above the grass level, or it may inhibit drainage.
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Add a weed barrier (optional). If you are concerned about weeds growing through your artificial grass, lay out a geotextile barrier at the bottom of the excavated area.^{[6]
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Expert Source

Benjamin Hansen
Licensed Landscape Contractor

Expert Interview. 6 October 2020.} This may also help deter gophers and earthworms from digging through your synthetic turf.
- Keep in mind that a geotextile barrier is a tightly woven, fairly heavy weed blocker. You can purchase one from an artificial turf supplier, at a true nursery or garden center, or from a landscape and irrigation supply business. A geotextile barrier is not the same thing as a weed blocker that you might buy from a home improvement store.
- You may install this over the base material instead.
- If you have a major rodent issue, consider a layer of rodent wire as well.
- Contact a professional rodent and pest control business for help to remove rodents. If left alone, rodents will wreak havoc on your artificial lawn.

Part 2

Part 2 of 3:

Installing the Base

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1
Add the base material.^{[7]
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Expert Source

Benjamin Hansen
Licensed Landscape Contractor

Expert Interview. 6 October 2020.} Purchase finely crushed rock, gravel, or decomposed granite, with particles under ⅜" (10 mm). Fill the excavated area with about three to four inches (7.5–10 cm) of this material to prevent slumping and improve drainage.
- You'll need approximately one cubic yard of material for every 100 square feet of lawn (0.82 cubic meters per 10 square meters).^{[8]
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  Research source} The information available for your specific product may provide a more accurate coverage estimate.
- If installing the lawn over concrete or another hard surface, a rubber shock pad or self-leveling compound can work instead.^{[9]
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  Research source} Alternatively, you can skip this step if you are certain the concrete has adequate slope for drainage and that you can completely cover the edge of the slab with the artificial grass.
- If children will be playing on the artificial lawn, then you may want to go with a shock pad for safety reasons.
Use a landscaping rake to smooth out the base material. Use a bubble level, string, and ruler to grade flat surfaces to a 2–3% slope (a 2–3 foot drop per 100 feet), sloping down to the drainage system or curb.
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Moisten and compact the base. Sprinkle the gravel or sand lightly with a garden hose (be sure not to over water) to lubricate the particles in preparation for compaction. Use a plate compactor, roller compactor, or hand tamp to compact the material into a sturdy base, reducing it to 90% or less of its original depth (a drop of about 0.3 inches / 7.5 mm).^{[11]
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Research source} This will likely require several passes back and forth over the area. Go in different, overlapping directions on each pass for best compaction results.
- A vibratory plate compactor is the most effective option for this purpose.^{[12]
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- These tools are available from tool rental services. The hand tamp is the cheapest to purchase permanently.
4
Roll out the lawn on the side while the base dries. Unroll the artificial turf somewhere to the side, as it may take a couple of hours to recover its shape after being transported in rolls. Wait until the base dries, then make sure it is smooth and firm before you continue.
- If the base is not smooth, it needs more compaction.
- If the base ended up lower than expected, you may need to pour in and compact an additional layer, to ensure a fairly flat join between the artificial turf and surrounding surfaces.

Part 3

Part 3 of 3:

Installing the Lawn

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1
Lay out the turf. Measure the area where the lawn will be laid out, and the width and length of the turf strips. With a partner, stretch out each strip of turf and lay it down over the prepared base. Avoid dragging the lawn over the base, or you may disturb the smooth surface.^{[13]
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- In most artificial turf, the fake grass blades bend in one direction. Make sure all the turf is installed with the blades in the same direction, or your grass will look less natural.
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Cut the turf where necessary. Use a carpet cutter or utility knife to cut the underside of the turf whenever required by the shape of the project area.^{[14]
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- When making long cuts, cut short distances at a time and compare to the edge to make sure there are no significant gaps. Drawing the cut line onto the back with a marker may also help.
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Get a carpet stretcher (optional). For best results, use a carpet stretcher to stretch the turf strips just before you seam or fasten them, as described below. Press the stretcher flat against the turf with the bristles facing down, and kick the padded end firmly with your knee. Stretching the turf eliminates wrinkles, reduces expansion from heat, and helps secure the surface tightly to the ground.^{[15]
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- This tool is also called a carpet kicker.
4
Seam the turf strips together. There are several ways to join two strips of synthetic turf. A product made by the same company that sold your turf may provide the best results since it will be designed for use on your lawn. Here are the most common options:
- Line up the two strips close together, then fold the edges back and lay artificial lawn seaming material on the exposed base. Cover the seaming material with the accompanying adhesive product, then fold the strips back over the seaming material and let dry.^{[16]
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  Research source} Use the manufacturer's recommended adhesive only.
- Or lay a length of seaming tape or strong outdoor tape on the ground and place the two strips on top of it.^{[17]
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- Or fasten together with stakes, approximately one every three inches (7.5 cm).
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Fasten the turf perimeter. Use 4–6 inch (10.2–15.2 cm) galvanized stakes or landscaping anchor pins to fasten the turf around the perimeter, at 6 inch (15 cm) intervals. Hammer them flat, but avoid excessive hammering, which can cause dips in the lawn.^{[18]
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- For maximum strength, offset the stakes on opposite sides, rather than using two lines of stakes exactly opposite each other.^{[19]
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Add infill or ballast appropriate to your product. Most artificial turf requires added particles to keep the bristles standing, weigh the grass down, and provide cushioning for athletic activities. While the lawn is completely dry, apply a thin layer of one of these materials, by hand or using a drop spreader. Rake in each layer to smooth it out. Repeat until approximately half the blade length is covered.^{[20]
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Research source} For best results, use the material and amount of material specified by your product's manufacturers. These are the most common options:
- Washed silica sand is used primarily as ballast to weigh the turf down. If your turf requires infill, sand alone may not be enough.
- Black crumb rubber provides the most cushioning and support for the grass blades. They may make a mess if the lawn is installed on a slope, or if pets use the lawn as a toilet.
- Copper slag absorbs odors from pets better than other options.^{[21]
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- Some dense products do not require infill. Some professionals prefer to add infill anyway for strength, although this is a somewhat controversial topic.
After each raking of infill material, use a power broom to "bloom" your turf, brushing up the grass blades. If you cannot find a power broom, use a stiff nylon-bristled broom or carpet rake.
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Water the lawn. This will help the infill or ballast settle. Check the material the next day to see the final result. If the lawn isn't bouncy enough or too much of each grass blade is exposed, rake in another layer of infill.^{[22]
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Expert Source

Jeremy Yamaguchi
Lawn Care Specialist

Expert Interview. 21 January 2019.}
- Optionally, use a leaf-blower to clear debris from the surface once finished.

Expert Q&A

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Question

How do I prepare soil if I want to overseed a lawn?

Jeremy Yamaguchi
Lawn Care Specialist
Jeremy Yamaguchi is a Lawn Care Specialist and the Founder/CEO of Lawn Love, a digital marketplace for lawn care and gardening services. Jeremy provides instant satellite quotes and can coordinate service from a smartphone or web browser. The company has raised funding from notable investors like Y Combinator, Joe Montana, Alexis Ohanian, Barbara Corcoran and others.

Jeremy Yamaguchi

Lawn Care Specialist

Expert Answer

Rake a thin layer of enriched soil over your existing soil. This will provide better germination than the native soil you already have in your lawn.

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Should artificial turf be laid in a certain direction?

Anthony "TC" Williams
Experienced Landscaper
Anthony "TC" Williams is a Professional Landscaper in Idaho. He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. With over 21 years of landscaping experience, TC has worked on projects such as the Idaho Botanical Garden in Boise, Idaho. He is a Idaho Registered Contractor and a previously Licensed Irrigator in the State of Texas.

Anthony "TC" Williams

Experienced Landscaper

Expert Answer

Yes. There should markings on the back of the turf showing the direction. Be sure any other turf goes the same way.

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What size nails do you use to hold turf down?

Anthony "TC" Williams
Experienced Landscaper
Anthony "TC" Williams is a Professional Landscaper in Idaho. He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. With over 21 years of landscaping experience, TC has worked on projects such as the Idaho Botanical Garden in Boise, Idaho. He is a Idaho Registered Contractor and a previously Licensed Irrigator in the State of Texas.

Anthony "TC" Williams

Experienced Landscaper

Expert Answer

Use 4 to 6 inch (10 2-15) galvanized stakes placed approximately 6 inches apart.

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Things You'll Need

Gravel, crushed rock, sand, or aggregate
Shovel
Landscaping rake
Garden hose
Plate compactor, roller compactor, or hand tamp (available from tool rental services)
Artificial turf
Seaming sheets, seaming tape, and/or outdoor glue
Galvanized nails or landscaping anchor pins
Plastic bender board (unless a border already exists)
Turf infill or ballast
Power broom or stiff nylon broom
Carpet stretcher (recommended)
Rodent wire (if necessary)
Weed barrier (optional)
Transit and rod or string line
Line level

Tips

If installing the lawn over very soft or eroding soil, you may wish to compact a layer of larger rock particles, approximately ¾" (2 cm) in diameter, then add a layer of smaller material above that as described in the instructions above. Make sure that these rocks are not too big or they may tear or poke through the turf.

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Warnings

Take care not to damage any irrigation lines while excavating for the artificial lawn. If using drip irrigation lines, use an irrigation plug or clamp to shut off water along the length of the artificial lawn.

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Keep the lawn away from barbecues, cigarettes, and other heat sources, or the plastic may melt.

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Chlorine from swimming pools may discolor your artificial lawn. You may not want to install the lawn within three feet (0.9 meters), in order to avoid this.

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