Weed Barrier Gravel - Material Guide
Picking the right gravel for a weed barrier gravel project? This guide covers the materials that fit best, how much you need, and what it costs delivered.
A solid weed barrier gravel job comes down to three things: the right stone size, the right depth, and a base that drains. Get those right and the surface lasts 15 years before it needs a real top-up. Cut corners on any of them and you will be back out there with a rake inside two seasons. The numbers below come from real delivered jobs across our service area, not catalog specs.
Best materials for weed barrier gravel
What weed barrier gravel needs in a material
- Size and shape: 3/4 to 1.5 inch stone over woven fabric.
- Drainage: fast, prevents standing water on fabric.
- Compaction: light tamp to seat stone on fabric.
The three specs above drive every other choice on a weed barrier gravel job. Order the wrong size and the surface fails fast. Pick a material that drains the wrong way and you fight standing water or washouts. Get these right and the install steps below take care of the rest.
How to install weed barrier gravel
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1
Clear the area
Pull weeds, scrape any sod, rake the soil flat.
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2
Roll out woven fabric
Overlap fabric seams by 6 inches, pin every 3 feet with landscape staples.
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3
Spread the stone
Place 2 to 3 inches of 3/4 inch stone or river rock over the fabric.
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4
Edge and inspect
Set steel edging to keep stone in bounds, check fabric coverage.
How much weed barrier gravel material do you need
| Project size | 3 inch depth | 4 inch depth |
|---|---|---|
| 100 sq ft | 0.9 cu yd / 1.3 tons | 1.2 cu yd / 1.7 tons |
| 300 sq ft | 2.8 cu yd / 3.9 tons | 3.7 cu yd / 5.2 tons |
| 600 sq ft | 5.6 cu yd / 7.8 tons | 7.4 cu yd / 10.4 tons |
Quantities above assume crushed stone at roughly 1.4 tons per cubic yard. Pea gravel and river rock run a bit lighter, decomposed granite a bit denser. Add 10 percent waste for irregular shapes and edge losses.
What weed barrier gravel costs in 2026
| Region | Delivered per ton | Typical 300 sq ft project |
|---|---|---|
| Northeast | $46 to $79 | $161 to $277 |
| Midwest | $35 to $62 | $123 to $217 |
| South | $33 to $59 | $116 to $207 |
| West | $53 to $97 | $186 to $340 |
Prices below are delivered per ton, full truck loads, 2026 service area pricing. Add 8 to 15 percent for half-loads under 12 tons and add fuel surcharges in volatile diesel markets. Bag drops and small-yard deliveries run higher per ton than the table shows.
Weed Barrier Gravel mistakes to avoid
- Non-woven landscape fabric, which clogs and traps water on top.
- Thin 1 inch cap, which lets sunlight reach the fabric and grow weeds in the dust.
- Overlap seams under 6 inches, which weeds will find.
- Skipping the staples, so wind lifts the fabric over time.