Tips for a water-resistant patio
The impact of climate change on the garden
Regional differences in climate impact
It is important to realise that the impact of climate change varies from region to region. Depending on local conditions, it may be more important to protect a garden against flooding, heat, drought or a combination of these. Climate change has a significant impact on our gardens. During the presentation “Impact of climate change on the gardening professional” at the Gardening Professionals Days, various solutions were discussed to make gardens climate-proof. Here are some practical tips for creating a water-resistant terrace.
Climate change leads to more rain, more extreme precipitation, fewer rainy days, more drought and higher temperatures. These changes affect both living and dead materials in the garden. Heavy rainfall can cause flooding, puddles, root rot, green deposits and warping of garden wood. Low rainfall causes plants to dry out and wood to shrink. Heat causes additional drought due to evaporation and hardening that is no longer barefoot-friendly, and increases the need for cooling.
Practical tips for a water-resistant terrace
Use ceramic tiles
Ceramic tiles are ideal for preventing green deposits. They absorb less than 0.5% moisture, making it difficult for algae to adhere. Green deposits can still occur in shady, damp areas, but these are easy to wash away.
Choose bluestone
Natural stone types such as bluestone absorb relatively little moisture, making it harder for algae to take hold. This makes bluestone a sustainable choice for a terrace.
Concrete with a protective layer
Some concrete tiles have a protective coating, making them less susceptible to dirt build-up. These tiles have a closed surface, making it easier to remove green deposits. Read more about Protection Plus here.
Water-permeable foundation
A water-permeable foundation under your patio ensures that excess water can easily drain away. This helps to prevent puddles and waterlogging.
Ensure good drainage
Good drainage is crucial. Do not allow rainwater from large terraces to run directly onto the lawn or flower beds. A semi-paved edge or a linear drain that drains into the sewer or infiltration system can help.
Use light-coloured paving
Light-coloured paving prevents paths and terraces from becoming too hot in summer. Black and anthracite paving can become very hot in the sun and are less comfortable to walk on.
Preventive maintenance
Carry out regular maintenance to keep your patio in top condition. Remove leaves and other organic material to prevent moisture problems and algae formation.
With these tips, you can make your patio resistant to the effects of climate change, keeping your garden beautiful and functional all year round.
Ensure sufficient slope
Apply a slope of 1.5% to your patio to prevent puddles from forming. This is particularly important for tiles with relief or facets to prevent stagnant water and algae growth. Watch our video about paving your garden.
Use semi-paving
In addition to closed paving, semi-paving can also be used. This ensures that water can easily sink into the ground. Use stabilisation mats to keep the gravel or grit in place.
Use of grass mats
Many stabilisation mats for gravel are also suitable for growing grass. Use these grass mats to create a stable surface that will not become compacted or damaged by vehicles. Grass concrete tiles are suitable for car parks and driveways, among other things.
Rainwater infiltration
Collect rainwater and allow it to infiltrate slowly using special infiltration crates filled with rock wool. This prevents flooding and conserves water for the garden.
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