How to Build a Block Wall

Learn how to build a retaining wall or a standalone privacy wall using wall blocks

Hero

Walls can serve many purposes, whether for decorative, privacy or retaining purposes. Learn how to build a retaining wall or a freestanding wall using wall blocks with this step-by-step guide.

Tip: For maximum stability, install the base wall blocks on a crushed gravel base about halfway below ground

What You Need


HOW TO BUILD A PRIVACY WALL

1
Dig out the base area
DIG OUT THE BASE AREA

• Dig out an area about 7 inches deep, and twice as wide as the width of the wall blocks. 
• Use a hand tamper to pack down the remaining soil.

2
Build the gravel base
BUILD THE GRAVEL BASEc
3
Place the bottom row of blocks
PLACE THE BOTTOM ROW OF BLOCKS
4
Dry fit the next row
DRY FIT THE NEXT ROW
5
Add construction adhesive
ADD CONSTRUCTION ADHESIVE
6
Finish building
FINISH BUILDING

 

HOW TO BUILD A RETAINING WALL

1
Dig out the area
DIG OUT THE AREA
2
Build the gravel base
BUILD THE GRAVEL BASE
3
Begin laying blocks and add adhesive
BEGIN LAYING BLOCKS AND ADD ADHESIVE
4
ADDRESS DRAINAGE
ADDRESS DRAINAGE
5
Finish the wall
FINISH THE WALL

• Keep building the wall, checking the level frequently, until it reaches the desired height.