Drainage Behind Retaining Wall. 5 Tips for an Everlasting Block Retaining Wall CornerStone Wall Solutions In an ideal world, drainage behind a concrete cantilever consists of drainage aggregate running the full length of the wall with weep holes spaced every 6 to 10 feet. What is the best drainage behind a retaining wall? A layer of free-draining material behind the wall serves as a conduit for water movement
5 Tips for an Everlasting Block Retaining Wall CornerStone Wall Solutions from cornerstonewallsolutions.com
This is ideal when the ground line in front of the wall is flat After laying the first course of blocks, lay an agricultural drainage pipe with a geotextile sock (agi pipe) behind the wall on a bed of 10-20mm clean, free drainage material
5 Tips for an Everlasting Block Retaining Wall CornerStone Wall Solutions
Many first-time builders assume they only need to dig a trench as wide as the wall blocks, but a retaining wall requires additional space for backfill and drainage materials Use solid to quickly carry water from your wall to the drainage site Use the perforated kind under or behind your wall, for maximum subsurface drainage
Drainage Pipe through Retaining Walls by C.O.L. YouTube. Key Components of an Effective Internal Drainage System Use solid to quickly carry water from your wall to the drainage site
The Importance of Retaining Wall Drainage ⛲🌊. A 12″ layer of gravel or crushed stone is placed directly behind the wall to prevent water from building up. If your retaining wall needs a drainage pipe, make sure the pipe has slots on all sides, not just one