Construct Modular Block Retaining Wall

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Regrading to Fix a Wet Basement. 4k start to finish landscape project

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What happens here

The modular retaining wall blocks are carefully laid in courses, starting with the base layer. Each block is positioned, leveled with a spirit level, and tapped into place using a rubber mallet to ensure a snug fit and consistent height. Construction adhesive is applied between layers to secure the blocks together. Backfilling with gravel behind the wall provides additional drainage and stability. This process continues for multiple layers until the desired height of the retaining wall is achieved.

Goal: Build a stable and visually appealing retaining wall to hold back soil and define the new grade.

Tools and materials

Construction Adhesive — Securing layers of blocks together
Gravel — Backfilling behind the wall for drainage
Line Level — Maintaining a consistent level over long runs of blocks
Modular Retaining Wall Blocks — Building the retaining wall structure
Rubber Mallet — Tapping blocks into place for level and snug fit
Shovels — Moving and spreading gravel and soil
Spirit Level — Ensuring blocks are level horizontally and vertically
String Line — Setting a straight guide for block placement
Work Gloves — Protecting hands during construction

What they say

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[Music] now one of the tricks we learned a long time ago to make our lives easier when we get on retaining wall projects is to use the same material beneath the wall as we do in the drainage zone and that's 3/4 clear if you use the right material this angular stone 3/4 inches in size it locks in place enough that it makes actually a really good base material and it saves you from ordering 2 separate trips down to the gravel pit to pick up one type of material for base and a totally different type of material for drainage [Music] [Applause] [Music] so one of our go-to blocks is a versa lock standard unit it is the only solid block that is actually still pinned and how this works is Blaine's got to line up these pin holes with the slot below it and drive that pin in place it doesn't give them a large margin for error but when you do it right you've got a good strong block and a good connection method there's a lot of other blocks that have lips in the back and those lips tend to break off over the course of time a little bit of ground movement and you get issues with those lips so that's why we go with these

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