What is the best sand for a sand bed?
Foundation sand for a patio
The top layer should consist of approximately 3 to 5 cm of fine gravel or masonry sand to ensure good water permeability. This reduces the risk of lime efflorescence. The sand bed underneath must be at least 20 cm thick. Although sand may look the same at first glance, there are many differences. It is always important to choose sand that is clean and pure.
Durability and functionality
Choosing the right foundation sand is crucial for the durability and functionality of your patio. The top layer of the sand bed is particularly important, as this layer ensures efficient water drainage. Here are some important considerations:
- Optimal drainage: Preferably use gravel or masonry sand. These types of sand have better water permeability compared to fill sand. Good drainage prevents water accumulation and subsidence.
- Compaction of the sand bed: It is essential that the sand layer is well compacted. Although gravel or masonry sand is slightly more difficult to compact due to its uniform grain size, this is crucial for the stability of your patio. A well-compacted layer prevents shifting and subsidence.
- Avoid poorly permeable sand: Do not use poorly permeable types of sand under concrete tiles. Poorly permeable types of sand can lead to water accumulation and result in problems such as lime efflorescence and damage to the tiles.
Advantages of GeoCeramica® patio tiles
Our GeoCeramica® patio tiles offer additional advantages thanks to their unique properties:
- Stabikorn® base layer: The Stabikorn® base layer in GeoCeramica® tiles ensures excellent water drainage, which helps prevent water-related problems.
- Ceramic top layer: The ceramic top layer of these tiles is resistant to lime efflorescence, keeping your patio looking beautiful for longer.
Summary
For a durable and functional terrace, it is important to choose the right foundation sand. Crushed stone or masonry sand are excellent choices because of their water-permeable properties. Ensure that the sand layer is well compacted for maximum stability. With GeoCeramica® terrace tiles, you also benefit from an advanced underlay and a ceramic top layer, which contributes to the durability and aesthetics of your terrace. With the right materials and techniques, you can enjoy a stable, well-drained terrace that can withstand the elements.
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