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foundation - Am I using the correct concrete blocks for the base of my shed and how many do I need? - Home Improvement Stack Exchange
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foundation - Am I using the correct concrete blocks for the base of my shed and how many do I need? - Home Improvement Stack Exchange
![Reinforced Concrete Beam (Beam & Block System) - Wrekin Concrete Products - Telford, Shropshire, Midlands Reinforced Concrete Beam (Beam & Block System) - Wrekin Concrete Products - Telford, Shropshire, Midlands](https://www.wrekinconcreteproducts.co.uk/wp-content/uploads/2018/11/Block-Beam-1-320x240.jpg)