You need to ensure that you have a minimum layer of 50mm of chippings but you also need to ensure that they are still able to be compacted down properly, so that they hold together and don’t just crumble away. So, assuming a sub-base is going to be used, just how deep should it be? As long as you didn’t go any deeper than 25mm of the Granite Dust then the water should still be able to seep away over a couple of hours. If you try to compact 6” of base, you will only compact the top 4” and the bottom 2” will settle in the future. 1. Before laying any foundations, you must compact and level the ground. It is absolutely fine to have artificial grass on paving slabs. If it … Generally, adequate density is specified as a relative density for the top 150 mm (6 inches) of subgrade of not less than 95 percent of maximum density determined in the laboratory. Wendy. Wendy. This is revealed in Table 2 below. (which will in turn call the compact operation once everything closes) If you haven't figured this out I could dig through my archives and pull it up. The blocks will … I consent to NeoGrass Ltd providing my submitted details to the installer and give permission for them to contact me using the details I have provided. Kind regards, Some paving types, block paving for example, nearly always need a sub-base, while others, such as pattern imprinted concrete, may not need one, but wouldn't be any less effective if one was to be included. Is this ok or is it imperative to have a border? Forest Pennant Stone for Bristol Eco-Home, Forest Pennant to provide stone for Worcester Library, Marshalls to close Transformation Centres, Marshalls make a splash with permeable paving, New look and new catalogue for Bradstone Ireland, New block mix offers environmental benefits, say Marshalls, Acheson-Glover get weaving at Linen Green, Tatton 2006:Paving, plants & perspiration, Acheson & Glover score national awards hat trick, New lightweight block splitter from Probst, Kitemark Award for Irish Paving Manufacturer, New Bradstone Display Area for Creagh Concrete, Formpave launch new range of British Stone, New Guide and New Products from Tobermore, New Concrete Specs from December 1st 2003, Concrete Block Permeable Paving and the Clogging Myth, Steintec Utility Case Study - Participants Required. The depth varies due to the old lawn sloping but at one end is barely 25mm with soil visible at the very edge. See link here which takes you through the whole process from start to finish https://neograss.co.uk/how-to-install-artificial-grass/ It is what gives an artificial lawn its strength. The most important thing in any application like this is the sub-base on which you install your crushed limestone (or concrete etc.) I’ve got a 14 sq meter circle in my garden. You also need to asses what you are placing over the top of the road crush. I’m taking up and extending an area that already has artificial grass laid on top of grano dust, membrane and soil. I am compacting sub base on an area of my garden 12mx4m and don’t have a border at any of the sides. Wendy, Hello, I am replacing my existing 12 year old turf. I am so confused on how i will attach the grass to the edge do i need a frame? Kind regards, CM3 5UL, Phone 01245 931 200 For domestic applications, granite or limestone chippings will provide a more than adequate sub-base layer that will be amply strong enough to cope with everyday family life. If you continue to use this site we will assume that you are happy with it. Wendy. You could set up a string line from one end to the other to help gauge your depth, allow yourself the thickness of the slab plus 35mm give or take of your mortar base. When it comes to fixing the gras and/or underlay we always recommend that you run the glue round the whole of the perimeter edges about 200-300mm wide. Contrary to their name, ton bags typically weigh around 850kg, rather than a ton, so please ask your supplier for the approximate weight of the bulk bags prior to purchasing, to ensure you order the correct quantities. Hi Shane, I'm looking for any other reasonable excuses other than thats just plain silly. If you spot any glaring errors or cock-ups, please let me know...contact form. However, although MOT Type 1 will allow a certain amount of water to drain through it, it is technically a non-porous aggregate. Check with your suppler for recommendations. The sub-base should be compacted using a vibrating plate compactor, which can be hired from your local tool hire shop. RE: base course aggregate compaction defg (Structural) 6 Jun 09 10:54. Granular soils have the highest bearing strength and compact easily.
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