How Much Crushed Stone for a 6x8 Greenhouse Floor?
How much crushed stone for a 6x8 greenhouse floor: about 0.6 tons at 3 inches deep. The area is 48 square feet, which is 0.44 cubic yards at that depth.
Volume and tonnage calculator →The math
- Area: 48.0 sq ft.
- Depth in feet: 3 ÷ 12 = 0.250 ft.
- Cubic yards: 48.0 × 0.250 ÷ 27 = 0.44 yd³.
- Tons: × about 1.4 tons per yard = 0.6 tons.
The crushed stone calculator does this for any size.
Related: How Much #57 Stone for a 6x8 Greenhouse Floor?
Crushed stone needed by depth
| Depth | Cubic yards | Tons of crushed stone | Tons +10% |
|---|---|---|---|
| 2 in | 0.30 | 0.4 | 0.5 |
| 3 in | 0.44 | 0.6 | 0.7 |
| 4 in | 0.59 | 0.8 | 0.9 |
| 6 in | 0.89 | 1.2 | 1.4 |
Building the greenhouse base
A stone floor drains spilled water, holds some heat and is easy to rake clean. Many growers use about 3 inches of pea gravel or washed stone over fabric, with paver or concrete stepping paths if they roll carts.
Related: How Much Crushed Stone for a 6x8 Shed Base?
Prep
Remove sod and roots, level the area and slope it slightly for drainage. Install edging so the stone stays inside the footprint.
Ordering and delivery
Most quarries and landscape yards deliver by the ton; ask whether there is a minimum and a delivery fee, and where the driver can dump without damaging your lawn. Crushed stone has angular faces that lock together under a compactor, which is why it holds a pad shape. Round up by about 10 percent for compaction and uneven ground.
Tools for the job
A flat shovel, a steel rake, a wheelbarrow and a rented plate compactor cover most residential pads. A landscape rake or the back of a rake levels the top layer, and a long straightedge or a level string shows high and low spots before the final pass.
Common mistakes
The most frequent problem is ordering for the finished depth without allowing for compaction, which can shrink a loose layer by 10 to 20 percent. Another is skipping fabric on soft soil and watching the stone vanish into the mud over the first wet season. Spreading everything in one thick layer instead of compacted lifts also leaves a soft, rutted surface.
Questions people ask
How many tons of crushed stone for a 6x8 greenhouse floor?
About 0.6 tons at 3 inches deep.
How many yards of crushed stone for a 6x8 greenhouse floor?
About 0.44 cubic yards.
How many tons of crushed stone are in a cubic yard?
Roughly 1.4 tons for planning, but suppliers vary with stone size and moisture.
Should I put landscape fabric under the stone?
On soft or clay soil, a woven geotextile keeps stone from sinking into the dirt and makes the layer last longer.
Related guides
- Gravel for a Greenhouse Floor: Best Stone, Depth and Tons
- How Much Does a Ton of Gravel Cover? Depth Chart
- Tons to Cubic Yards for Gravel: Conversion Chart
- Crushed Stone vs Gravel: Differences and Best Uses
- Geotextile Fabric for Driveways: Woven vs Nonwoven and How Much You Need
- Compacting a Driveway Gravel Base in Lifts
- How Much Pea Gravel for a 6x8 Greenhouse Floor?
- How Much Gravel for a 6x8 Greenhouse Floor?
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