How to set up your retaining wall to drain properly.
Add drainage to existing retaining wall.
For proper drainage the first 12 inches of space behind a retaining.
I have a low retaining wall 500 mm constructed of single brick.
Retaining wall drainage technology has improved over the years.
Immediately behind it is our neighbour s boundary wall.
Backfill simply refers to the soil directly behind the wall.
Behind that you d have filter cloth and then behind that you d have soil.
Mark the wall at.
It is just over 6 metres long.
Measure 24 inches from one end of the wall and mark the lower face of the wall with a marking crayon.
If you build it out of solid concrete wall you do need to install some drainage pipe fill the trench with gravel around the pipe and make water exits in your wall for that pipe.
So when water builds up behind your wall it will go through gravel into your drainage pipe and exit the wall in the openings that you will make for it.
The way to build this is dig down around the retaining wall probably about 2 feet behind it.
You may have to submit plans for your wall and schedule a property inspection to ensure that building a retaining wall won t create drainage problems.
Position a coring tool mounting plate at the face of the wall and align the center of the plate at one of the marks.
I d like some advice on how best to install some drainage behind an existing retaining wall.
Perforated drains allow the water to flow out of the wall preventing it from collapsing under the weight of too much water.
I m talking vertically now.
You should add sawdust or other absorbent particles to the stones to help them soak up the soil.
No perforated drain pipe adding drains to the foundation of your retaining wall drainage is vital.
Work with your landscaping expert to ensure that these holes are appropriately placed and sized to ensure that any excess water can drain through the wall.
While you re at it do also place a call.
Measure up 6 inches from the ground and.
These days many people choose to build their retaining walls with a layer of sand packed up against the stones to create a buffer.