What Sand To Use For Bedding Pavers

By | May 15, 2022

Essential Aspects Of What Sand To Use For Bedding Pavers

The type of sand used for bedding pavers plays a critical role in the durability, stability, and aesthetics of your paved surface. Choosing the right sand ensures proper support for the pavers, prevents shifting and settling, and contributes to the overall longevity of your installation. This article explores the essential aspects to consider when selecting sand for bedding pavers, providing a comprehensive guide to help you make an informed decision.

1. Types of Sand

There are two main types of sand used for bedding pavers: polymeric sand and regular sand. Polymeric sand is a blend of sand and a polymer adhesive that hardens when wet, creating a stable and durable base for the pavers. Regular sand, on the other hand, is natural sand without any additives. It is less expensive than polymeric sand but may require more frequent maintenance.

2. Grain Size

The grain size of the sand is crucial. Too coarse sand can create voids beneath the pavers, leading to uneven settling and potential damage. Fine sand, on the other hand, can pack too tightly, preventing proper drainage and increasing the risk of frost heave in colder climates. The ideal grain size for bedding pavers is between 0.02 inches (0.5 mm) and 0.03 inches (0.75 mm).

3. Compaction

The sand used for bedding pavers must be properly compacted to provide a firm and stable base. Insufficient compaction can lead to uneven settling and shifting of the pavers over time. Compacting the sand involves applying pressure to the sand, either manually using a tamper or mechanically using a plate compactor. The sand should be compacted to a density of at least 95% of its maximum dry density.

4. Drainage

Good drainage is essential for preventing water buildup beneath the pavers, which can cause frost heave, shifting, and other problems. The sand used for bedding pavers should be well-draining to allow water to percolate through and prevent waterlogging. This can be achieved by using a sand with a high percentage of coarse grains or by adding drainage materials such as pea gravel or crushed stone beneath the sand layer.

5. Compatibility with Pavers

The type of sand used for bedding pavers should be compatible with the type of pavers being installed. Some pavers may require special bedding materials, such as a specific type of polymeric sand or a mix of sand and cement. It is important to consult with the paver manufacturer or a professional installer to determine the most suitable sand for your specific pavers.


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