Infill vs Non-Infill Turf: What Contractors Should Know
Infill is the granular material brushed into turf after install. It sets the fibers, adds stability, and on pet and sports turf it does real work. Some jobs skip it.
Infill is granular material, usually silica sand, brushed into turf after install to keep fibers upright, add ballast, and set performance. Most jobs use some infill: sand for stability and putting speed, antimicrobial infill for pet odor, and performance infill for sports. Non-infill or low-infill turf exists for light landscape use, but infill generally improves stability, fiber life, and drainage behavior.
What infill does, by use
| Infill type | What it does | Best use |
|---|---|---|
| Silica sand | Weighs turf down, keeps fibers upright | Landscape and general stability |
| Antimicrobial / coated | Controls odor and bacteria | Pet turf, dog runs, kennels |
| Performance infill | Sets footing and shock absorption | Sports fields and play areas |
| Sand for greens | Tunes ball speed, supports the roll | Putting greens |
| Non-infill / low infill | Simpler install, softer underfoot | Light-use landscape, some decking |
Infill is not just filler. It keeps fibers from laying over, extends the life of the turf, and on pet and sports jobs it is what controls odor and footing. Skipping it on the wrong job leads to matting and callbacks.
When to skip infill
Low-traffic landscape areas, balconies, and some decking can run non-infill or low-infill turf for a simpler install and a softer feel. The trade-off is that fibers lay over faster without ballast, so it is best kept to light-use spots. For pet, putting, and sports work, infill is doing a job you do not want to skip.
Picking turf for a specific use? See best pet turf, best putting green turf, or best sports turf for the infill that fits each.
Frequently Asked Questions
Do you need infill for artificial turf?
Most installs use some infill. Silica sand keeps fibers upright and extends turf life. Light-use landscape areas can sometimes go non-infill, but pet, putting, and sports turf generally need infill to perform.
What infill is best for pet turf?
An antimicrobial or coated infill, which controls odor and bacteria in dog runs and kennels. Pair it with a fast-draining pet turf for the best odor control.
Does putting green turf need sand infill?
Yes. Silica sand keeps the fibers upright and tunes the green's speed. The amount of sand is how you set a faster or slower roll.
SourcesSynthetic Turf Council
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