# How to Lay Flagstone on a Concrete Block Wall
Things You'll Need
- Stiff-bristled brush
- Whisk broom
- Stonework construction adhesive
Instructions
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1
Select decorative flagstone -- as flat as possible on one side -- that is approximately the same width as the top of the concrete block wall.
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2
Clean the top of the concrete block wall thoroughly with a stiff-bristled brush and sweep it clean with a whisk broom.
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3
Lay down a solid line of stonework construction adhesive along the top of the concrete block wall.
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4
Place a flagstone on top of the concrete block and press it down firmly. Position another flagstone end-to-end with the first one. Choose a flagstone with edges that fit together with the first one as closely as possible.
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5
Continue the same process down the length of the wall. When you approach a corner, fit the stones together as closely as possible. Maintain the flagstones in a straight line on top of the concrete block wall.
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