Install drain tee fittings and a drain grate every 25 ft. to 50 ft., depending on how much rainwater is expected to run down to the wall. Cut one landscape retaining wall block down to accommodate ...

Retaining walls cost between $1,000 and $10,000 for a typical 4-foot by 25-foot wall or around $5,500 on average. The overall costs depend on the dimensions of your particular wall, the wall style ...

You can buy retaining wall blocks at Home Depot for as little at 60 cents each, and spend up to $3 each for larger and nicer blocks. You’ll need a shovel, mallet, hand tamper, wheelbarrow, yard ...

Concrete block retaining walls need to be reinforced. This means reinforcing rods need to be installed that tie into the footing, ... Drainage behind retaining walls also is very important.

2. To avoid soil shifting and damaging the wall, retaining walls should rest on cut or undisturbed ground, not landfill, and have a footing roughly two times the width of the wall and as deep as ...

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; ...