![]() ![]() I tend to over engineer my projects just to make sure that they are fully supported. Hi to add to the recommendations made, I suggest having a look at this discussion - Advice needed to lay brick raised flower bed by In the discussion you'll find excellent advice regarding building a foundation for a raised garden bed. Please let me know if you have any questions. If your garden beds are constructed with four sides and only a few courses high, then it's likely that they don't need to be engineered as they wouldn't be classified as a load-bearing wall. ![]() It's best to check with your local council to determine whether your wall requires engineering. The blocks need to be core-filled with grout and reinforced with steel for engineered and load-bearing walls. Doing so prevents staining to your white render and avoids it being pushed off the wall due to hydrostatic pressure.īesser Block retaining walls are mortared together. This will prevent excessive moisture from entering the blocks and saturating the wall. Another option is to use an agi-pipe around the inside of the bed to remove excess water and drain it to a suitable location.īefore filling the garden bed, I'd recommend painting the rear side of the walls with Crommelin Exterior Grade Brushable Waterproofer. It's essential to add adequate drainage, or the area will fill up with water. These can be added to areas that can't be viewed, like the back of the garden bed. If you are to concrete over the whole base of the garden bed, it's essential to add adequate drainage ports to the lower wall. You could add the foundation under the walls or concrete over the entire area. ![]() Will the garden be constructed on all sides like the first image, or have the back be constructed from treated pine sleepers like the second image?Īdding a concrete foundation under the walls would be a good idea to ensure they don't subside and shift over time. Welcome to the Bunnings Workshop community It's terrific to have you join us, and many thanks for your question about building raised garden beds from Besser blocks. ![]()
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