Paver Sand Calculator — Bedding & Joint Sand
Calculate the exact amount of bedding sand and polymeric joint sand needed for paver installations. Proper sand selection and depth are critical for a level, stable, and weed-free paver surface.
Why This Construction Metric Matters
Why: Bedding sand provides the level surface that pavers sit on—incorrect depth causes uneven settling. Joint sand locks pavers together and prevents movement. Using the wrong sand type (play sand instead of coarse angular sand) leads to washout, weed growth, and ant infestation.
How: Bedding sand: Area (ft²) × 1/12 ft depth ÷ 27 = cubic yards. Convert to tons (× 1.35). Joint sand: use manufacturer's coverage rate, typically 50 lbs per 100 ft² for standard joints. Add 10% waste for screeding and joint filling losses.
- ●Bedding sand must be coarse, washed, and angular—ASTM C33 concrete sand is ideal.
- ●Compact bedding sand to exactly 1 inch after screeding—thicker layers cause settling.
- ●Polymeric sand costs 3-4× more than regular sand but prevents weeds for 5-10 years.
- ●Never use limestone screenings as bedding sand—they cement together when wet and prevent drainage.
Paver Sand Calculator
Bedding sand • Joint sand • Sand types • Cost comparison
Quick Examples — Click to Load
Small Patio Bedding
10 ft × 12 ft patio, 1" bedding sand
Medium Patio with Polymeric
16 ft × 20 ft patio, polymeric joint sand
Driveway Bedding Sand
20 ft × 30 ft driveway, 1" base sand
Walkway Sand
4 ft × 50 ft walkway, 1" bedding
Joint Sand Refill
12 ft × 15 ft patio, 1/4" joint refill
Large Project Bulk Order
40 ft × 50 ft patio, 1" bedding, bulk pricing
Custom Project
Enter your own dimensions
Mason Sand
Fine sand perfect for paver bedding and leveling
📏 Project Dimensions
Recommended: 10% for Mason Sand
💰 Cost Options
Planning estimates only. Verify with a licensed engineer or contractor before construction.
📐 Construction Industry Facts
The bedding sand layer must be exactly 1 inch thick after compaction—thicker layers cause differential settling.
— ICPI Tech Spec 2
One cubic yard of bedding sand covers approximately 324 square feet at 1-inch depth.
— Calculated
Polymeric sand hardens when activated with water, creating a semi-rigid joint that resists erosion and insects.
— ICPI
Sand weighs approximately 2,700 lbs per cubic yard (1.35 tons)—a pallet of sand bags covers about 100 ft².
— ASTM C33
📋 Key Takeaways
- • Bedding: 1" layer, concrete sand, ~1.35× for compaction
- • Joint: ~1 lb/sq ft for 1/4" joints
- • Polymeric: Best for joints, resists weeds
- • Waste: Add 10–15%
What is Paver Sand?
Paver sand is a critical component in paver installations, serving two main purposes: bedding and joint filling. The bedding layer provides a level, stable base for pavers, while joint sand fills gaps between pavers to lock them in place and prevent shifting. Different types of sand are used for different applications, each with specific properties that make them ideal for their intended use.
Bedding Layer
Level base for pavers, typically 1" deep
Joint Filling
Fills gaps between pavers, prevents shifting
Weed Prevention
Polymeric sand prevents weed growth
Drainage
Allows water to drain properly
How to Calculate Paver Sand
Calculation Formula
Tons = (Volume × Density) ÷ 2000
Bags = Total Weight ÷ Bag Size
Standard sand density: 2,700 lbs per cubic yard
Quick Reference
Sand Types for Pavers
Concrete Sand
Coarse sand ideal for paver bedding layer
Mason Sand
Fine sand perfect for paver bedding and leveling
Polymeric Sand
Specialty sand with polymer binders for joints
Paver Base Sand
Specially graded sand for paver installations
Joint Sand
Fine sand for filling paver joints
All-Purpose Sand
Versatile sand for various paver applications
Sand Type Comparison
| Sand Type | Density (lbs/cu yd) | Best For | Price Range |
|---|---|---|---|
| Concrete Sand | 2700 | Paver bedding | $25-40/ton |
| Mason Sand | 2700 | Paver bedding | $30-50/ton |
| Polymeric Sand | 2800 | Paver joints | $40-80/ton |
| Paver Base Sand | 2750 | Professional installations | $35-55/ton |
| Joint Sand | 2700 | Joint filling | $30-50/ton |
| All-Purpose Sand | 2700 | General use | $25-40/ton |
Bedding vs Joint Sand
Bedding: 1" layer under pavers, use concrete sand. Joint: fill gaps, use polymeric or regular mason sand. ~1 lb/sq ft for 1/4" joints.
Key Formulas
Important Considerations
⚠️ Avoid
- • Play sand for bedding (too fine)
- • Filling joints when wet
- • Skipping compaction factor
✓ Best Practices
- • Concrete sand for bedding
- • Polymeric for joints (weeds)
- • Add 10–15% waste
⚠️ Disclaimer: Sand estimates are for planning. Actual quantities vary with joint width, paver size, and compaction. Order extra for large projects.
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