T
he PISA® Retaining Wall Systems offer the flexibility of design and the natural appearance that architects, engineers, contractors and homeowners are looking for.PISA® retaining walls are the ideal way to handle grade changes in any landscaping or gardening project as well as increase the amount of useable space for patios, terraces and parking.
PISA® retaining wall is a dry stacked wall system. No mortar or mechanical fasteners are required to hold the units in place. The PISA® Retaining Wall System utilizes its unit weight and shape to resists lateral earth pressure.
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