How To Build a Retaining Wall (Step By Step Guide)
Construction Adhesive (one or two tubes is plenty for most walls) Paver Base (aka crushed stone base) – Amount depends on the size of the wall; 3/4″ rough gravel for drainage; Leveling Sand (1 bag is all you need) ... For larger retaining walls up to three feet high, these 6″ x 16″ x 10.5″ concrete garden wall blocks are the best for ...
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