Round rocks such as pea gravel rolls and dislodge under pressure resulting in failure of the retaining wall.
Can you use pea gravel for concrete base.
When used in this manner it has few cons.
Pea gravel can be used in two ways on a driveway.
The various sized crushed gravel with the fines helps ensures for appropriate compaction.
If you need to tamp down the gravel use a hand tamper.
While pea gravel can be used as a mulch alternative garden border and other landscaping purposes it is not the best choice for a patio base.
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Pea gravel is a loose landscaping material composed of smooth rounded stones between 1 8 and 1 4 inch.
Next compact it and level it using either a hand or mechanical compactor.
One is as a top coat over fresh gravel or concrete.
As pea gravel is a loose fill material it can be displaced with foot or vehicle traffic and other physical movement.
Remember the border should be about 1 2 inch higher than the gravel to help keep the small stones in place.
The use of pea gravel to help set posts provides good drainage and when combined with concrete results in a sturdy fence post installation.
Use a garden rake to smooth high spots and fill low spots as you go.
The pea gravel provides a textured surface to the concrete and prevents the surface from becoming slick when wet.
Lay a 4 6 inch layer of the crushed base material in the trench.
Add pea gravel to a depth of about 2 1 2 inches.
Gravel is especially important in clay soil because it doesn.