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Allan Block retaining wall and fence systems have been used throughout the United States. They come in a variety of shapes and colors that form landscaped terraces or major structural retaining walls and fences. Allan Block, manufactured exclusively by Clayton Block, uses unique shapes and interlocking systems that allows easy installation without mortar, footings or pins. . . PLUS, they're more economical and have a life span up to 10 times longer than wooden timbers. |