Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
Block wall installation guide.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Using a shovel mark the ground where the retaining wall will be built.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.
Follow the block manufacturer s instructions for wall height limits.
The installation information demonstrates how to successfully construct retaining walls two sided patio seating walls and concrete fencing select the application for your project and learn step by step details on how to plan design and build with allan block.
Fill the hollow cores and a minimum of 12 in.
Walls that support heavy loads or exceed four feet in height require special soil reinforcement and often professionally engineered designs.
Cinder block walls or concrete masonry block walls have to to be constructed carefully and with the necessary reinforcement to account for a solid installation.
Use a plate compactor to consolidate the area behind the blocks.
Use approved soils to backfill behind the wall rock and in front of the base course.
Install the wall rock to be level or below the receiving notch of the anchoring unit.
To determine the width of your future wall decide how many cinder blocks you want to use for the wall width then calculate the width using the block s measurements.
For example if your cinder blocks are 8x8 in 20x20 cm and you want to use 2 blocks to make up the wall s width your total wall width would be 16 in 40 cm.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
Allan block has the solution for a wide variety of applications.
If the distance is greater than 8 drive additional stakes so that the gaps do not exceed 8.
Tie a string to a stake at the wall s desired height and stretch across to opposite stake or stakes.
Drive long wooden stakes into the ground at each end.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
The installation guide provides the correct steps to follow during the first phase of slabs pavers permeable pavers walls steps caps overlay systems pool coping edges outdoor features and pedestal installation.
The success of your retaining wall depends on a level base.
Retaining wall design and installation guides our design installation guides for versa lok standard and mosaic systems are available in downloadable pdf format and as printed manuals.
300 mm behind the wall with wall rock.