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When building a deck or outdoor structure, one of the most critical considerations is how much weight the foundation can support. At The Decking Block Company, we offer two specially engineered decking blocks—our Heavy Duty Deckin’ Block and our Standard Deckin’ Block—each designed to provide stability and load-bearing strength. Here’s an in-depth look at the weight each block can support and the projects they’re best suited for.
Heavy Duty Deckin’ Block
Our Heavy Duty Deckin’ Block is designed for projects that demand robust support, such as hot tubs, large garden buildings, and extensive decking areas. Here’s what sets these blocks apart:
- Dimensions: 155mm in height and 290mm in width.
- Weight: Each block weighs approximately 18.5kg, adding substantial mass and stability to the structure.
- Engineering: Made with high-strength concrete and designed with integrated drainage channels, these blocks are built to withstand significant loads while protecting the timber joists from moisture damage.
- Load-Bearing Capacity: With the larger footprint and solid construction, each Heavy Duty Deckin’ Block can support a substantial load, often up to 500kg per block when properly spaced and installed, depending on soil conditions.
Recommended Uses: These blocks are ideal for larger, heavier projects like:
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Footprint for Stability: The larger size and weight make these blocks perfect for structures where stability is essential. They offer excellent distribution of weight, reducing the risk of ground settling over time.
Standard Deckin’ Block
For lighter projects, our Standard Deckin’ Block offers an affordable and easy-to-use solution without compromising on stability.
- Dimensions: 110mm in height and 265mm in width.
- Weight: Each block weighs 10.5kg, making it a lighter option that’s still durable and stable.
- Engineering: Like the Heavy Duty version, these blocks are made from high-strength concrete with drainage channels and a four-way recess for easy timber placement.
- Load-Bearing Capacity: Each Standard Deckin’ Block can typically support up to 300kg per block, depending on ground and installation factors.
Recommended Uses: These blocks are well-suited for smaller, lighter-weight structures, such as:
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Tips for Using Decking Blocks Effectively
- Calculate Load Requirements: Always consider the total weight of your structure, including people, furniture, and other potential loads. Use our Decking Block Calculator to determine the number of blocks required for your project.
- Consider Ground Conditions: Blocks perform best on level, compact ground. If the ground is soft, adding a stabilising layer of gravel or crushed stone beneath each block can improve load-bearing capacity and prevent settling.
- Spacing Guidelines: To maximise support, space the blocks evenly according to the weight of your project. Heavier loads may require blocks placed closer together for added stability.
- Use Reinforcement Where Needed: For high-load areas, consider using additional blocks or supports to evenly distribute weight.
Why Choose The Decking Block Company?
Our patented concrete decking blocks are designed to provide a long-lasting, reliable foundation for your outdoor projects. With options for heavy and standard loads, you can find the perfect support solution for everything from garden sheds to hot tubs.
For more detailed guidance on which decking block suits your project, or to learn more about installation and load-bearing capacities, feel free to contact us.