For large walls 4 inch weepholes are common.
Poured concrete retaining wall drainage.
After the wall is complete install drainage stone and tile on top of the earth side of the footing along the wall.
Weepholes actually penetrate the retaining wall and drain the area immediately behind the wall.
Drainage systems usually utilize weepholes and drainage lines.
In this photo increte contractors installed a poured in place decorative concrete wall system called stone crete that creates deep relief stone walls with a variety of available textures and colors.
Retaining walls are a specially engineered structures that hold back or retain lateral sections of soil water or other organic materials.
The majority of landscapers today can achieve a similar look with a block cmu core plastered to resemble poured concrete.
Planters in direct contact with retaining walls can be a risky choice due to the danger of water seepage through the wall to compromise its structural core and discolor the face.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.
Weepholes should have a minimum diameter so as to permit free drainage.
Fill the stone to a depth of at least 12 inches and to a width of at least 12 inches.
Retaining walls are very helpful in the prevention of erosion as well as preventing the collapse of higher level ground onto a part of your building driveway patio or landscaping area.
Do choose a material you can easily work with.
Pour concrete of specified strength in the forms and properly vibrate it to ensure compaction of the concrete.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
Frederick landscaping quotes the concrete wall cost per linear foot at 30 to 40 as a ballpark estimate and the price would depend on several factors such the size of the project location design etc.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Retaining walls can be constructed using a variety of materials from poured concrete and large timbers to natural stones even bricks.