How To Build Concrete Block Retaining Walls
Stagger the overlaps at least 4 in.
How to build concrete block retaining walls. Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on. Whether you re building a retaining wall or just need some extra privacy a cinder block wall is an affordable way to get the job done. Tall wall excavate a trench deep enough to accommodate 4 to 6 in. Using cinderblocks mortar and 2x4 boards this diy weekend project allows you to section off your outdoor living space into a private retreat.
Of compacted base 1 in. How to build a dry stack stone retaining wall. Once you ve got your base set up it just takes some finesse in building the wall up and turning corners. How to build a short retaining wall this 2 retaining wall is a great architectural element that also serves a purpose to keep dirt from a sloping yard from going into the driveway.
This durable freestanding wall brings an attractive element to your yard that can zone off an outdoor patio area or add emphasis around flower beds and other landscaping. Concrete blocks are ideal for building walls to hold back the soil after you dig into a slope for a pathway patio or another landscaping project block retaining walls are generally the same as freestanding block walls but with a few important differences. How to build a concrete wall figure a. Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Whichever type of block you use make sure you follow the manufacturer s instructions. Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding. 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. Of leveling sand and half the height of the first course of blocks.
Follow the block manufacturer s instructions for wall height limits. The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.