VIDEOClick to see full answer. In this way, how do you build a hill retaining wall? How to Build a Retaining Wall on a Steep Hill Insert wood stakes to mark the boundaries of the first retaining wall at the base of the slope. Dig out vegetation and dirt from the base of the slope with a flat shovel and pile it in a nearby tarp. Dig out a trench at the base of the drop. do I need drainage behind retaining wall? Third, since most retaining walls are impervious, which means water cannot pass through the wall itself, efficient drainage is crucial. When drainage goes unaddressed hydrostatic pressure will build up behind the wall and cause damage such as bulging or cracking. Moreover, how do I build a small retaining wall? How To Build A Small Retaining Wall Dig A Trench. The first order of business is to dig a trench 4 inches deep to receive a bed of paver sand and landscape blocks. Level The First Row Of Blocks. Stagger The Next Row. Install Capstone Blocks. What is the cheapest way to build a retaining wall?* Treated pine and is the least expensive material. Hardwood is more expensive than treated pine. Concrete sleepers are more expensive. Besser blocks are relatively expensive to have installed. Interlocking concrete blocks come in a variety of prices.
