First, let’s go over why you need a base layer. The base layer creates a level platform and provides drainage for artificial turf. When installing a synthetic grass base layer, excavate 3 to 4 inches of topsoil. The best materials for the base layer are 3 inches of class II road base followed by an inch of decomposed granite (also known as granite dust).
You can lay weed barrier fabric under the base layer, over the base layer, or both.
Lay the landscaping fabric under the base layer to prevent contamination and provide a ground stabilization membrane.
If the native soil is hard (as opposed to clay-like), there is no need to install weed barrier fabric under the base material. Simply lay the weed suppressant membrane over the base.
Weed Barrier Fabric and Used Artificial Grass
Used artificial grass costs 50% to 75% less than new artificial grass, which is great on your budget!
However, used artificial grass may come with punctures from the forklifts that moved them. Proper installation of the used artificial grass will hide these punctures, but they could possibly allow a sliver of sunlight to reach the soil beneath it. Where sunlight can reach the earth, weeds will grow. This means that a weed suppressant membrane is even more critical when you install used artificial grass.
If you are interested in used artificial grass but have pets, regular maintenance and pet-friendly infill can mask any odors trapped by weed barrier.
Weed barrier fabric can mean the difference between a lush, realistic layer of artificial turf and lumps that weeds have pushed up. As long as you don’t have plans for the ground under your artificial turf, weed barrier can add years to the lifespan of your artificial grass with no downsides.
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