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4-20mm Clean Stone (SuDS) - Available Online in Bulk Bags or Loose by the Tonne with Nationwide Delivery
4-20mm Clean Stone (SuDS) - Available Online in Bulk Bags or Loose by the Tonne with Nationwide Delivery
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850kg Bulk Bags
including delivery
including delivery
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Loose Tonnes
Obtain a bespoke quote for loose delivery
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Take a metric tape measure and measure the length, width and depth of the area to be filled. The length and width measurements should be recorded in metres and the depth in millimetres. Now take these figures and enter them into the quantity calculator to reveal the approximate quantity required for your job.
Remember:
1 metre is equivalent to 1000mm or 100cm
1 centimetre is equivalent to 10mm
Pure crushed Limestone, Granite, Basalt or Gritstone depending on source ranging in size from 4-20mm. This product is now widely used as a bedding layer for block paving applications where a SuDS compliant bedding layer is required. This product is not sold as being any particular colour and the picture is offered as an example only.
Bedding layer, paths, block paving, gravel grids, general landscaping
Loose or Bulk Bags
10 Tonnes Loose or 1 Bulk Bag
1 x Bulk Bag will cover approx 10sqm at 50mm depth
850kg per bag
Approx 1.8 tonnes per cubic metre.
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Content Below INSTOCK | ALL QUANTITIES BELOW 10 TONNES ARE AVAILABLE IN BULK BAGS ONLY |
4-20mm Clean Stone (SuDS) is a product made from crushed Granite, Basalt, Gritstone or Carboniferous Limestone (depending on source). The product is graded from 4-20mm to create a permeable aggregate
4-20mm Clean Stone (SuDS) is a suitable sub-base for permeable paving and also as fill for gravel grid driveways and paths
Sustainable Urban Drainage Systems (SUDS) are a set of practices and techniques designed to manage surface water runoff in urban areas in an environmentally friendly and sustainable manner. The goal of SUDS is to mimic natural drainage processes, reduce the impact of urban development on water quality, and mitigate flooding. These systems focus on slowing down, capturing, and utilising rainwater, rather than allowing it to rapidly runoff into conventional drainage systems.
4-20mm Clean Stone (SuDS) is generally laid at 50-100mm depth over a compacted sub-base of Type 3. This depth can vary depending on the manufacturer of the paving to be used. Heavier loadings will require a deeper sub-base and may need to be calculated by a structural engineer. Typically, one of our Bulk Bags will cover 5m2 at 100mm depth. For larger areas you may wish to use our quantity calculator located at the top right hand side of this page under the grey "How Much Will I Need" tab. Simply enter your measurements to reveal the required tonnage. Please be sure to enter the length and width figures in metres and the depth in millimetres to give the correct quantity.
4-20mm Clean Stone (SuDS) should be spread with a shovel and compacted with a whacker plate or vibrating roller in layers. It is important the product is properly compacted to prevent settling later on. The depth of installation will depend on the paving manufacturers specification.
4-20mm Clean Stone (SuDS) is free draining. It is graded to create voids between the stones which encourage the passage of water.
4-20mm Clean Stone (SuDS) can be purchased right here! Bulk Bags can be purchased at the top right hand corner of this page. Simply enter the delivery postcode and the delivered price will be shown. You can then add the item to the shopping cart and complete the checkout process where you will be offered our available delivery dates. Larger loose orders of 10 tonnes or more will require a bespoke quote to enable us to apply any bulk discounts. A quote request can also be submitted at the top right hand corner of this page. Deliveries are usually made within 3-5 working days.