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What are Priora Chippings?
Priora chippings, also known as Aquaflow chippings, are precisely graded limestone or granite aggregates engineered specifically for permeable paving and SUDS applications. Available in multiple size grades (2-6mm, 4-20mm, 10-63mm), these angular chippings provide optimal void space for water infiltration while maintaining structural stability, making them the specified choice for leading permeable paving manufacturers.
Technical Specifications:
- Material Options: Limestone or granite
- Available Grades: 2-6mm, 4-20mm, 10-63mm
- Shape: Angular for void creation
- Standards: SUDS compliant
Size Selection for Different Applications
2-6mm Bedding Layer:
- Purpose: Joint filling and bedding
- Location: Directly under block paving
- Function: Locks pavers in place
4-20mm Sub-base Layer:
- Purpose: Primary drainage layer
- Location: Below bedding layer
- Function: Water storage and infiltration
10-63mm Storage Layer:
- Purpose: Maximum water storage
- Location: Base attenuation layer
- Function: Storm water management
SUDS Design Benefits
Environmental Advantages:
- Flood Prevention: Manages surface water
- Pollution Control: Filters contaminants
- Groundwater Recharge: Natural infiltration
- Urban Cooling: Reduces heat build-up
- Planning Compliance: Meets regulations