Featured Project

A well-designed fence adds aesthetic and safety value to your home. It can provide protection and privacy to your property. Whether your fence is intended as a subtle backdrop or a landscape focus, whether you want to highlight or perhaps hide your home’s architectural features, the following...

Retaining Wall

Category: 
Backyard

The construction of a Pisa II, Roman Pisa & Pisa Stone retaining wall is easy. Just follow these seven simple.

Retaining Wall Figure 1
1. Excavate
Remove soil to create a trench 12" deep and 24" wide. Shape the slope to allow for 12" of drainage material behind the wall.
Retaining Wall Figure 2

2. Prepare Base
Place filter cloth in trench with well graded angular gravel and compact to a depth of 6'. Instructions

Retaining Wall Figure 3

3. Level First Course
Position a level string line to mark the location of the first course. Place units in center of prepared base and ensure unit is level from front to back and side to side. Instructions
Retaining Wall Figure 4

4. Stack Units
Sweep units and place next course of units on top in a running bond pattern. The edge of the unit should be at the middle of the unit below. Instructions

Retaining Wall Figure 5

5. Backfill Place
Drain tile and free draining soil behind wall. Place gravel in front of wall to cover the first course. Compact all soil. Alternate between backfilling and placing units. Instructions
Retaining Wall Figure 6

6. Secure Coping
Use approved adhesive to attach coping to the top of the wall. Use a line of adhesive near the front and back of the unit. Instructions

Retaining Wall 7
7. Finish Grading
Pull filter cloth towards top of wall and cover with soil. Ensure water will run away from the wall.