A well-constructed base for a permeable paver patio offers several key benefits:
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Superior Drainage: The right base materials, such as open-graded aggregate, allow water to infiltrate efficiently, reducing runoff and preventing pooling.
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Long-Term Stability: A properly compacted base prevents shifting and settling, ensuring the patio remains level and durable over time.
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Environmental Benefits: Permeable paver systems help recharge groundwater and reduce erosion, making them an eco-friendly choice.
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Load-Bearing Strength: Using crushed angular stone and geotextile fabric enhances the base’s ability to support heavy loads, making it suitable for driveways and high-traffic areas.
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Reduced Maintenance: A well-designed base minimizes clogging and prevents weed growth, reducing the need for frequent upkeep.
Choosing the right base is crucial for the longevity and functionality of your patio.
In Ontario, the best base construction typically involves an open-graded aggregate system. This method ensures proper drainage and stability, which is crucial given Ontario's freeze-thaw cycles. Here is Big G's approach:
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Excavation – Dig to a depth of around 10-12 inches, depending on soil type and expected load.
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Geotextile Fabric – Lay a permeable landscape fabric to prevent soil mixing with the base material.
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Base Layer – Use 3/4" clear gravel (ASTM No. 57), which allows water to pass through while providing structural support.
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Bedding Layer – Apply High-Performance Bedding (HPB) or 1/4" chip stone, which further enhances drainage and stability.
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Compaction – Compact each layer thoroughly to prevent settling.
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Paver Installation – Place the permeable pavers and fill joints with fine angular stone instead of sand to maintain permeability.
This system prevents water pooling, reduces erosion, and minimizes the impact of freeze-thaw cycles. If you're looking for materials or professional installation, companies like Harold Pepper & Sons and Green Apple Landscaping in Ontario specialize in landscape solutions.
