How Many Blocks for a 20' x 20' Wall?
A 20x20 wall is a significant project covering 400 square feet. For a wall this size, you will need approximately 450 to 500 blocks.
Material Requirements
- Total Square Footage: 400 sq ft.
- Block Count (Net): 450 blocks.
- With 10% Waste: 495 blocks.
- Mortar Needed: ~35 to 40 bags of pre-mix (80lb).
Contractor Tip
"For a 20x20 wall, you are looking at roughly 4-5 full pallets of blocks. At this volume, most masonry yards will offer a discounted commercial rate and job-site delivery."