A drain pipe is required for any reinforced wall or any wall over 4 ft.
Best material for retaining wall base.
As with other types of walls set the timbers on a gravel base and provide good drainage behind the wall.
Fasten the timbers with long spikes or screws.
Because it is artificially produced.
Choosing materials for your retaining walls 1.
10 retaining wall materials 1.
Compare the pros and cons style and durability characteristics of seven retaining wall building materials including concrete block stone veneer poured concrete brick wood gabion walls and dry stone walls.
Choose timbers that have a 40 treatment rating suitable for ground contact and seal any cut ends with preservative to prevent rotting.
Retaining walls can occasionally have a stone veneer meaning a protective decorative layer of stone is applied over a sturdy but less aesthetically pleasing base.
Concrete blocks are a very modern and sophisticated material.
Place a minimum of 6 in.
150 mm of wall rock in the base trench and rake smooth.
More information on drainage and water management.
Some types of furniture have a wood veneer meaning a paper thin slice of wood is attached to a stronger base material usually medium density fibreboard mdf.
Timbers are usually available in green and brown.