Understanding Brick Calculations
Brick calculations depend on the brick size, mortar joint thickness, and project type. Standard modular bricks require approximately 7 bricks per square foot for walls and 4.5 pavers per square foot for flat applications.
Brick Sizes and Coverage
| Brick Type | Size (L x H x W) | Bricks per Sq Ft |
|---|---|---|
| Modular | 7-5/8" x 2-1/4" x 3-5/8" | 6.86 (wall) |
| Standard | 8" x 2-1/4" x 3-3/4" | 6.55 (wall) |
| Queen | 7-5/8" x 2-3/4" x 2-3/4" | 5.76 (wall) |
| King | 9-5/8" x 2-5/8" x 2-3/4" | 4.8 (wall) |
| Paver | 8" x 4" x 2-1/4" | 4.5 (flat) |
Mortar Requirements
| Project Type | Mortar per 100 Bricks | Notes |
|---|---|---|
| Single Wythe Wall | 7-8 bags (60 lb) | Type S or N mortar |
| Double Wythe Wall | 10-12 bags (60 lb) | Includes collar joint |
| Paver (Sand Set) | N/A | Use polymeric sand |
| Paver (Mortared) | 3-4 bags (60 lb) | For permanent install |
Popular Brick Patterns
- Running Bond: Most common, bricks offset by half (5% waste)
- Stack Bond: Bricks aligned vertically (minimal waste)
- Herringbone: 45 or 90 degree angles (10-15% waste)
- Basket Weave: Pairs of bricks alternate direction (5-10% waste)
- Flemish Bond: Alternating headers and stretchers (decorative walls)
Brick Buying Tips
- Always buy 10% extra for cuts, breakage, and future repairs
- Order all bricks from the same lot for color consistency
- Check for chips, cracks, and color variations before accepting delivery
- Store bricks off the ground, covered, and away from moisture
- Use appropriate mortar type for your application and climate
- Consider hiring a professional for structural brick walls
Mortar Types
Type M: High strength, below-grade applications. Type S: General purpose, good for most walls. Type N: Medium strength, above-grade exterior. Type O: Low strength, interior non-load bearing.