Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 ...

World Block makes steel forms used to create Precast Modular Blocks for use in landscape construction and long-lasting retaining walls. Our one-of-a-kind forms help save Precast Concrete and Ready ...

MINNEAPOLIS, MN--(Marketwired - Jan 22, 2015) - SRW or segmental retaining wall design has just gotten easier. Allan Block has created and published the document Best Practices for (SRW ...

Household retainer / Whether of wood, mortared materials or interlocking blocks, retaining... SF Gate Logo Hearst Newspapers Logo Skip to main content Newsletters Home About SFGATE Contact SFGATE ...