AB Metro Patio Walls Installation – Guidelines and Limitations
Following guidelines contained in our documents and tools, you are able to build a low height retaining wall up to 2 ft. (0.6 m) tall, or a free-standing patio wall up to 3 ft. (1 m) tall. Our simple to use sets of blocks allow you to stack and glue them together to create your desired design. General guidelines require all units to be glued together using a flexible masonry adhesive, such as NP1.
Low Height Retaining Walls
Low height garden and landscape retaining walls can be built up to 4 courses – 2 ft. (0.6 m) tall on a compacted rock base that is a minimum of 6 in. (150 mm) deep and 16 in. (400 mm) wide. The first course of block is buried 3 in. (75 mm) below grade with the cores filled with rock and all courses / blocks glued together. No surcharges or slopes above the wall. Elements installed near retaining walls must be kept a minimum of 3 ft. (1 m) away from the back of the retaining wall. For taller retaining walls, see the AB Metro Classic retaining wall.
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