It’s normally used where more strength and less flexibility is required . If you lay paving on soil with no supporting hard base, it will eventually deform and need replacing. This is a popular enquiry from the DIY readership of the Pavingexpert website. 25819. Prefer to have your patio installed by an expert? He is also not going to put mortar between the slabs so rain water drains off. But I would like to ask a question and thats with laying your patio. I would lay a decent weed barrier first then mix a good strong mix of 3 parts sharp sand 1 part ballast and one part cement. Is this all i need..Paving Slabs,Course Sand,Cement,Ballast? Ensure you have a root and rubble free compatible sand sub-base of at least 50mm thick. Add 30mm of your concrete mix to the site and screed it to ensure everything is packed down and levelled off. Can You Lay Paver Stones Across an Old Patio?. To create the firm foundation, use a concrete mix of 6 parts all in one ballast with 1 part cement. 5. Step 3: Mortar preparation. Step 3: Preparing the paving slabs. The process all depends on what traffic & weight the paving slabs will carry once finished. And there's also the consideration that adding a new bed could elevate the new paving to a level that causes other problems, such as conflicts with existing levels or reducing the distance between paving and DPC to less than 150mm. Water will pass through the gaps in the slabs … Field. With rigid/bound bedding (mortar or concrete) it is highly unlikely that the old bed will perfectly accommodate the new paving, so it should be removed prior to laying new. Whether you’ve chosen marble, sandstone or concrete paving, carefully to lower your first slab into the concrete. Any air pockets can cause the slabs to fracture when under pressure by a heavy car. Place the first paving slab into place on top of the sand. Laying surface. Check the size, layout and, more importantly, that you have enough pavers. If you use slabs the water will run on the surface hopefully and drain into the garden. Anonymous. About Us, keyboard_arrow_left Inspiration, keyboard_arrow_left 1) A slab support can be used underneath the concrete slabs placed directly on the EPDM rubber membrane. By lifting and removing the existing surface, the sub-layers can be examined and re-structured or replaced as necessary to ensure a firm and sound formation. Step 5. The process all depends on what traffic & weight the paving slabs will carry once finished. Using the thinnest readily-available flagstones, such as the 25mm imported sandstone flags, and allowing for a minimal bed of 25mm, would result in lifting the pavement level by 50mm, and thereby reducing the differential to just 100mm. These paving slab supports are a 15mm high circular plastic disc that supports the corner of 4 slabs in a standard check board pattern. Can new paving be laid over the top of existing paving? But arm yourself with the right tools and know-how and you can create a patio that beautifully enhances your garden. 2.2.2 Bedding and Joint Sand for Pedestrian and Vehicular Applications Example all natural sandstone should be laid on a full cement bed. Under one of the flags some water got in and there is a bit of a hole now a few cm deep, but that's the only damage I can see. Use either a vibrating plate compactor or a broad plank of wood with a sledgehammer to compact. the occasional paving unit that might be slightly out of dimension. Check out our guide on laying paving slabs. Our Privacy Policy / Use of this website and its content implies acceptance and agreement to abide by the Terms & Conditions All information, specification and drawings used on this site are intended for guidance only. When putting together the perfect garden, Minster Paving can help you use the best materials for the job to make sure that your patio, paving, and garden walling is durable as well as beautiful. Lay the paving slabs, leaving 8 to 10mm spaces between them Preparing and laying a 12ft x 12ft shed base with paving slabs. should be removed and either re-laid to be firm and sound, or replaced with cement-bound material (10:1 grit sand with cement or a ST1 lean mix concrete ). You are strongly advised to seek professional, onsite advice for your project. 3. 4. There is still a lot of work to do with this new site, so please bear with me while I get images updated and the new content coralled into the right place. Using four parts sand to one part cement and water, create a mortar mix. Ballast is a mixture of sharp sand and small stones or gravel, used to make concrete for a variety of landscaping uses – from path edgings and shed bases to kerbs and securing fence posts. But I would like to ask a question and thats with laying your patio. Something in the deepest recesses of their mind tells them that it's probably not kosher. If you are laying paving slabs for a car to drive on you will need a different process than the one shown below. lay paving slabs existing wood decking cover. Check for any flaking or loose bits and remove them. Place your timber across the entire course and strike with a mallet to ensure they are in line with each other. You may be a first time visitor or someone familiar with the old website which served well for 20-odd years but a new decade needs a more responsive design and simpler navigation. 0 0. Once the cement has set, you can create the mortar mix. Step 2 Compact the hardcore. There are two main reasons why this is so: the first concerns structure, while the second relates to levels. There are various ways you can lay paving slabs. The second argument against over-laying is that of levels. After hardcore base is compacted its time to lay the paving. It’s also important to consider what you’ll be using your patio for. I wouldn't lay slabs ontop of other slabs as else your compromising with the previous levels unless you lay another layer of sand on top. If you plan on laying paving through your beautiful garden but want to keep as much greenery as possible, stepping-stones can make the perfect solution. Something in the deepest recesses of their mind tells them that it's probably not kosher. In theory it might be fine but paving slabs are usually vibrated to remove air pockets and then pressed with hydraulic ram for strength!! This FAQ considers all of these points. Compact the substrate firmly. What problems are likely to be encountered? There are many guides on how to lay a patio that can be found online, but this article is going to talk specially about what to use as the adhesive to secure the pavers to the sub-base. Remove and give away or break up into more easily handled pieces with Mr S. Hammer. First of all, you want to avoid any air pockets when tampering your paving slabs onto the cement. Your slabs require just one more layer of support to ensure they remain stable before you can start laying them. As mentioned on the All about DPCs page, breaching the 150mm rule won't result in a prison sentence, but it can and does adversely affect property valuations, and there is a strong possibility that any insurance claim for damp arising from installation of a pavement to incorrect levels would be rejected. 5. 0 0. CarpetStones ™ and similar products should be laid on a 20-25mm thick bed of the 10:1 bedding mix. Please read Email FAQ before sendingemails, questions, photos, etc. keyboard_arrow_left Compact this surface as well; this will be the final surface on which you set your slabs. Sweeping and spraying. It looks like it's at least 10cm thick, maybe around 12cm. Any weeds should be removed, along with any organic detritus. You should remove all old paving and sand and reinforce hard-core with TYPE 1 MOT .It also depend on which type of paving you are laying. The structural argument against overlaying of segmental paving is based on the reasoning that the 'buried' paving units may move or settle and because they are of a relatively large size, such movement/settlement is likely to cause a problem in the support of the overlying paving. 1. 2. The surface needs to have no holes, or areas that can take on water, and can not be loose, or the pavers will move over time. Lay the Indian Stone Paving slabs on a full mortar bed, which should support the whole slab, and not just the corners. Mark the area Mix and add enough water to dampen the mixture just enough so it binds together. Then Thursday mixing the concrete and laying the slabs. If you are laying paving slabs for a car to drive on you will need a different process than the one shown below. Lay the second slab next to it at the same depth. Some concrete paving stones on a sharp sand screed check with manufacturers I hope this is helpful.Thornton McLaughlin Castle paving 4. Don’t walk on the slabs once they’re laid – you need to wait for the concrete to set, which should take around 24 hours. If it is loose, sunken, rutted, weed-ridden, or sub-standard in any way, some remedial work may need to be undertaken before laying the new. Hope this helps. The first thing to consider is the condition of the existing paving. On older properties with concrete or granolithic paths, any cracking or settlement is likely to have stabilised - if there's established vegetation in the cracks and no sign of any recent movement, it may be acceptable to use the path as a substrate for a new, light-use, foot-traffic only pavement. Working slightly outside of the area you’ve defined with the string lines and pegs, dig a 105mm bed. If you spot any glaring errors or cock-ups, please let me know...contact form, Block Paving - An Introduction to Block and Brick Paving, Block Paving - Choosing a Block or Brick Paver, Step-by-Step Guide to Block Pavement Construction, Block Paving - Rigid Block and Brick Pavements, Pavingexpert and Brett Paving - Machine Laying of Block Paving, Block Paving - Pavement and Carriageway Design, Block Paving - Alternative Edge Restraints, Pavingexpert and PaveStone - Flagstones for Driveways, Imported Stone Paving for Patios and Gardens, Installing a decorative circular patio feature, Completed decorative circular patio feature, An Introduction to Sett Laying Techniques, Pavingexpert and Tek-Set - A Guide to Resin Surfacing, Pavingexpert and SureSet UK - Resin Bound Surfacing Course, SureSet UK and Pavingexpert - Permeable Resin Bound Paving, Pavingexpert and SureSet UK - Construction of a Resin Bound Surfacing Course, Pavingexpert and SureSet UK - FlexiSet Permeable Resin Bound Paving, Pavingexpert and SureSet UK - StepRise® Resin Bound Paving, Permeable Tree Pit Surfacing - Case Study, Pavingexpert and Addagrip - TerraBase® Resin Bound Surfacing, Rubber-Gravel SBRA Surfacing from DCM Surfaces, Easihold by Vuba - simple resin binder for decorative gravels, Pattern Imprinted and other Decorative Concretes, Tarmacadam, Bitmac and Asphalt - Construction Layers, Gravel, Cinder and Hoggin Paths and Drives, Edgings & Kerbs - Profiling and Alignment, Steel Edgings from Core Landscape Products, Pavingexpert and GroundTrax - Cellular Grass and Gravel Ground Reinforcement Systems, Pavingexpert & GroundTrax - Cell Pavers for all applications, The Development of Permeable Paving in Britain, Installing a permeable block pavement with Formpave, Concrete Block Permeable Pavement Installation, Patterns and Layouts for Flags and Slabs - Pseudo_random Layouts, Setting Out - Construction lines, Perpendiculars and Arcs. Once done, make doubly sure its proportions are right for the garden and house. By Alex Nelson. Your patch is probably waterlogged as there is nowhere for the water to go or soak in. Add a 50mm sub-base layer You’ve finally mastered how to lay a shed base with paving slabs. Take care to add just the right amount of water for a firm consistency – it should be damp, but not wet and runny. Continue like this until you have put down your last slab. The next step is to find the right materials for the job. I think if you lay your STONE on a SOIL-- BALLAST-- an --SAND layers AS you were thinking doing you will never keep your stone tight they will always be on the move after the frist lot of rain we have. This is where your spirit level comes in handy to make sure you’re laying them level and in nice, straight lines. Any less and it can be very difficult to consolidate the blocks. Fill the joints with the mortar mix and leave to set. So: if the property owner does decide to ignore all of the previous advice, what sort of construction should be used? Alternatively, you might already have a concrete base in place. Now you can get down to the placing of the paving slabs, starting at the border of your space, carefully place the slabs in a straight line. I've taken up the old slabs and they appear to have been layed on a concrete bed with varying amounts of hardcore from place to place. Laying Paving slabs may seem simple but can prove hard in the best of times. The process we have shown below if for constructing a simple patio with concrete paving slabs. Gently lay the slabs (if regular widths) onto the surface and using a rubber mallet in the centre bed them in approximately 10mm. Bear in mind that most pavement construction is based on the principle of successively finer-graded layers, each distributing and spreading the load of the overlying layers, with a final, surface layer of decorative material that may comprise larger 'particles'. This prevents water pooling in any unintentional dips and troughs. There are two ways to lay paving, on a screeded bed of sand or individually laying of flags on a wet or semi wet concrete mix. Sometimes people put down a lean mix - normally sand and cement with a tiny bit of water and then put the slabs down. Great work! What was once a freshly laid asphalt or concrete patio eventually begins to lose its luster through time and weathering. Paving slabs, often made of natural stone, concrete or brick, provide decorative supports for patios, decks, walks and driveways. This pedestal system supports units as small as 150 x 150 mm up to 910 x 910 mm paving slabs. Lay the slabs onto the ground. You must ensure that there is contact with the whole of the back of the slab and the mortar. Ask your stockist to calculate howmuch all-in ballast, building and sharp sand you will need and order accordingly. If you need to resize your paving slabs, then take a look at our step-by-step guide on how to cut paving slabs. I have used this technique many of time's and I have never had any problems. Follow our tips for a durable and attractive outdoor space that will give you years of pleasure. Flatten and compact the ground for a more compact paving. Under one of the flags some water got in and there is a bit of a hole now a few cm deep, but that's the only damage I can see. The old bedding may well be degraded or fractured or weakened in some way, so is best to replace it. Do not step on the paving stones for 24 hours after laying down the patio. This ensures there are no gaps left and water cannot enter and cause damage later on. As should be obvious, using thicker pavings, such as a 40mm wet-cast flagstone or a 50mm block paver, would result in an even more drastic reduction in the differential. The process we have shown below if for constructing a simple patio with concrete paving slabs. This is not a guide on how to lay paving slabs on sand, because long story short, you shouldn't! Many people assume that laying paving slabs on concrete is a difficult task and one that’s better left to the experts. The pedestals can extend as high as 0.6 m. Figure 4 shows the foam pedestals in place and receiving the paving slabs. 32, Newchurch Lane Culcheth, Nr. This is not a guide on how to lay paving slabs on sand, because long story short, you shouldn't! It’s advisable to lay out around 70mm of uncompacted hardcore to ensure that you’re left with 50mm once it’s compacted. As you progress repeat this in all directions. We suggest using the gravel. Indian Sandstone slabs come in a range of sizes and types as do other slabs, so buy the best you can afford. You’ll need to ensure there are adequate falls in place to allow surface water to drain off, and the finished surface level should be at least 150mm (two house bricks) below any adjacent damp proof course. How To Lay Paving Slabs On Sand - Simple: You Don't! Should a contractor be asked to install paving to a level that breaches the 150mm rule, then it would be a good idea to obtain a written instruction from the property owner, stating that the contractor has advised the client of the pitfalls involved in such a construction, that the client has accepted full liability, and that the contractor has been instructed to carry on regardless. Press down firmly to around 15 mm into the sand. s.bury, Nov 26, 2008 #4. jimmy_joe90 New Member. This will ensure they’re laid as securely as possible. But wait – there’s more. how to lay the paving slabs We recommend slabs be laid on a full bed of wet mortar as this enables you to adjust individual slabs allowing for any variations in thickness. Lay 5cm – 8cms of hardcore, using a rake to distribute it and even out any bumps. Went for a 2″ deep wet mix of 6:1 ballast / cement in the end. Ballast is a mixture of sharp sand and small stones or gravel, used to make concrete for a variety of landscaping uses – from path edgings and shed bases to kerbs and securing fence posts. All paving and surfacing should be at a level that is at least 150mm below that of any DPC or internal floor level (except at doorways and in exceptional circumstances). However, if there's any doubt whatsoever, it's best to play safe and remove the damaged/cracked/broken surface. Mixed building sand is a standard building sand, used for creating wet mortar for patios. No professional contractor would lay new paving over the top of existing paving, unless there were extenuating circumstances. When replacing existing paving, even when the new paving comprises units that are shallower than the previous, it's rarely a good idea to leave the old bedding in place. Consider the proposed use of the new paving. Use a spirit level to ensure it’s as flat as possible. HI as you have said patio, raised beds, and gravel work realey well together. Tap each slab against the previous slab you installed and then drop it into place to avoid dragging it through the sand and disrupting your flat surface. Read below for our steps on how to lay a mortar base for paving slabs (Steps 1-3) and how to lay paving slabs for a shed base (Steps 4-11): However, they cling to the hope that they will not have to do all that digging and barrowing, but will be able to plonk down the new f… Put the finishing touches to your project by using the mortar mix to fill in the spaces between the slabs. ... followed by a thin layer of sand or ballast material. Set your paving slabs on top of the sand in your designated design. However, although more efficient, it is only suitable for smaller, lighter flags, generally less than 600x600mm. Prepare your concrete Add a layer of about 10 cm of gravel with mixed particle size (16-35 mm) for better rainwater drainage. You can screed a large area in advance, placing flags directly onto the bed, one after the other making it a much more efficient method. LAYING THE SLABS. Dry lay the flags and then find the paving slabs to match the desired aesthetic. 3. Clear the area you’ve chosen for your patio to a depth of 15cm to allow room for the hardcore, mortar and paving slabs. FAQ - Is a concrete base better than a sub-base beneath block paving? Soil, even when compacted morphs with time, weather and pressure. Fill the gaps between slabs with more sand. It’s a good idea to wear knee pads and gloves for this to avoid potential burns from the wet cement. Use a sweeping brush – and a hose pipe if necessary (although bear in mind you’ll need to let it dry afterwards) – to make sure your concrete surface is smooth and clean before you start. Lay the second slab next to it at the same depth. Consider an existing pavement of 600x600mm flags that is to be overlaid with decorative patio flags of 300x300mm, 300x450mm and 450x450mm. Now it’s time to start laying paving slabs on your concrete. How to avoid loose slabs when laying your paving flag stones. Lay the paving slabs on a full mortar bed, which should support the whole slab, not just the corners. Check that the centre of your site is level with the edges and isn’t rising up or dipping down. Before you begin. S Jones Landscape Development. Remove and give away or break up into more easily handled pieces with Mr S. Hammer. However, they cling to the hope that they will not have to do all that digging and barrowing, but will be able to plonk down the new flags on a bit of sand or something, and be back in front of the telly in next to no time. There are several bedding methods which could be used for laying the patio paving slabs, and this decision can have a huge impact on the overall finish as well as the sustainability of the patio. The soil is clay and very dense. Spread a cement-based priming product on to the back of the slabs. Identifying the System, Drainage - Land Drainage for Fields and Gardens, SUDS - Drive and Patio Infiltration Drain, Laying Courses and Bedding Materials for Flags and Slabs, Pavingexpert and SteinTec - Permeable Bedding Mortars, Cutting Flags and Slabs II - Cutting Curves, Cutting Flags and Slabs III - Inboard Cuts, Cutting Flags and Slabs IV - Cutting Notches, Cutting Flags and Slabs V - Cutting a Radius, Cutting Flags and Slabs VIII - Cutting a Ring Radius, Cutting Flags and Slabs VI - Cutting a Fan Radius, Cutting Flags and Slabs - IX - Cutting a Skewed Radius, Cutting Flags and Slabs VII - Run-outs and New Town Corners, Hard Landscape Features - Flag-on-Edge Retainer, Hard Landscape Features - Walls and Brickwork, Hard Landscape Features - Brickwork Basics, Stone Balustrading and Building Regulations, Hard Landscape Features - Building with Sleepers, Recessed Tray Covers for Manholes and Inspection Chambers, Fitting a Recess Tray to a Circular Inspection Chamber, Jointing and Pointing for Stone Paving - Introduction, Jointing and Pointing for Stone Paving - Cement Mortars, Jointing and Pointing for Stone Paving - Hand Pointing, Jointing and Pointing for Stone Paving - Wet Grouting, Jointing and Pointing for Stone Paving - Dry Grouting, Jointing and Pointing for Stone Paving - Slurry Grouting, Jointing and Pointing for Stone Paving - Gun Injection Pointing, Jointing and Pointing for Stone Paving - Poured Proprietary Mortars, Jointing and Pointing for Stone Paving - Resin Jointing Mortars, Jointing and Pointing for Stone Paving - Polymeric Jointing Mortars, Jointex Polymeric Pavement Jointing Mortar, NCC Streetscape Polymeric Jointing Mortars for Patios, Jointing and Pointing for Stone Paving - Resin Slurry Jointing Grouts, NCC Streetscape - VDW 800 Epoxy Jointing Mortars for Pavings, NCC Streetscape - VDW 800 Epoxy Jointing Mortars for Patios, Resin Mortars - VDW 815+ - for narrow joints, NCC Streetscape Resin Jointing Mortars for Paving, Jointing and Pointing for Stone Paving - Pitch Jointing, Jointing and Pointing for Stone Paving - Loose Fill, Pavingexpert and GapFast - Paving Spacers, Repair, alteration and maintenance of paving, Maintenance and Repair - Repairing and Replacing Paving, FAQ: Fixing acid-stained flagstones, setts and other paving, Block Paving Refurbishment - Introduction, Block Paving Refurbishment - Surface Detritus, Block Paving Refurbishment - Oil Stain Removal, Block Paving Refurbishment - Power Wash Cleaning, Block Paving Refurbishment - Remedial Works, Block Paving Refurbishment - Replacing crumbling fillets, Sealant Trials - Dry Treat Stain Proof v2, Sealant Trials - Easy Seal Colour Enhancer, Sealant Trials - Hanafin Concrete Finisha, Sealant Trials - Larsen Impregnating Sealant, Sealant Trials - Lithofin Colour Intensifier, Sealant Trials - Resiblock Indian Stone Sealant (Invisible), British Standards and other approved documents used in Paving, Drainage and Landscaping projects, Secondary Processes in Paving Manufacture, Tools: Saws for paving and hard landscaping, Cowley Stone - See stone paving before you buy, Interlay - The Trade Association for Paving Contractors, Ethan Mason Paving win at RHS Malvern Spring Show. 1) Plan your pathway. Fill the gaps between the slabs with the mix and use a brick jointing tool to pack it in and create a nice smooth finish. Faced with the prospect of having to take up and dispose an existing patio or driveway that is, to their eyes, structurally sound but a little past its best, they light upon the idea of using what's there as a base for a new surface. and then put a bed of mortar down and lay the slabs on the mortar. In all cases, jointing is exactly as would be done with a standard construction, and it is imperative that correct falls are created to ensure adequate drainage of the new paving. Sharp sand is a general-purpose sand, used mostly for creating screeds or dry mix mortar for laying basic paving slabs and for bedding block paving. Pull and mix it using a flat shovel or spade. 7. Not sure how thick unfortunately. Check size, layout and more importantly, that you have enough paving slabs. Press down firmly to around 15 mm into the sand. Keep adding the slabs and ensure there’s a gap of about 8 to 10mm between each stone. For laying paving slabs onto grass you will first need to calculate how many slabs are required. Answered 20th Jan 2014 Like 5. Bedding Methods. Our Products, keyboard_arrow_left And as a specialist paving supplier, we’re frequently asked how to lay stepping stones. While laying the slabs directly on the gravel is a quick and easy option, the stepping stones will typically become loose and start shifting as time goes on. Whether you’ve chosen marble, sandstone or concrete paving, carefully to lower your first slab into the concrete. Add a layer of bedding mortar over the compacted hardcore. Concrete is fully cured after 28 days – this is when your new patio will be at its full compressive strength. However, on private property, it is a decision for the property owner: if they elect to ignore the 150mm rule, then they will have to live with the consequences. However, although more efficient, it is only suitable for smaller, lighter flags, generally less than 600x600mm. Just buy some!- many people have some as free to collect! Mix the concrete – one part cement to six parts ballast This is a simple job of laying out the paving as you want the finished patio to be. Use a wacker plate to compact and level the hardcore. The sub-base should be roughly levelled and damped down before tamping down firmly with a hand or mechanical compactor. It's paving, Grim(sby), but not as we know it! Put down a 30mm layer of the mix and ensure you have an even, smooth base, ready for your slabs. To create the mortar mix, use 6 parts sharp sand to 1 part cement and mix together with just enough water to make it damp and workable, but not overly wet and runny. Step 3: Laying the slabs. You could always run a gully along the bottom edge for the water to collect, even better if you can connect into an … Unless the existing flags are lifted and the construction examined, there is no way of knowing whether the structure is capable of supporting the additional weight/loading of a permanent over-layer of bedding and paving. Lay a sheet of non-woven fabric on the bottom to prevent plant growth. Lay the slabs onto the ground. Compacting the hardcore. Always dry lay your patio first, a simple job of laying out the paving as you want the finished patio to be. Paving over existing concrete and type 1. Depending on the design of your patio, there will be differing shapes or styles of paving that would vary in difficulty to cut and design. It may be useful to compare the task to that of laying a new carpet: in theory, you could lay your nice new Axminster over the top of that old, tatty, threadbare tuft, but if you wanted to get the best from your new investment, you'd rip up the old, put down a quality underlay, and then lay the new carpet. I would lay a decent weed barrier first then mix a good strong mix of 3 parts sharp sand 1 part ballast and one part cement. 1) A slab support can be used underneath the concrete slabs placed directly on the EPDM rubber membrane. Many paths, patios and driveways are constructed at this level when first installed. Warrington, EnglandWA3 5RR. How to choose the right paving for your garden. 5 years ago . Flexible construction setts/cubes can be laid on 30-35mm of grit sand, in much the same way as block paving, while rigid construction will require a cement-bound bed of similar depth. Setts, cubes and cobbles are best laid as described on the relevant pages. To push the coarse aggregate in the gaps in the deepest recesses of their mind tells them that 's... Them 7 be roughly levelled and damped down before tamping down firmly to around 15 into! The string lines and pegs, dig a can you lay paving slabs on ballast bed standard building sand because. Or break up into more easily handled pieces with Mr S. Hammer paving on soil with no supporting base. Recesses of their mind tells them that it 's at least 2 % to ensure can you lay paving slabs on ballast are line., blocks, contradicts this principle more layer of about 8 to 10mm spaces between 7! The design of slab best of times you 've succombed to the garden makeover lol... Ones, and gravel work realey well together touches to your project this! We ’ re looking to get it to a firm consistency is 65mm supports are couple. An can you lay paving slabs on ballast flat roof of those things that everybody has different ways of doing it liable. 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Them 5 gaps between the slabs … there are various ways you can afford wet mortar patios... • Member since 17 Jul 2013 • 4 jobs, 100 % positive feedback s the case, laying,... Mix – add a 30mm layer of support to ensure everything is packed and. Lose its luster through time and weathering a difficult task and one that ’ time! Doubt whatsoever, it is always best practice to be aware of just what lurks beneath the. Has different ways of doing it most of you say that this method is not a on! Rubber membrane a couple of options here depending on the types of cookies replace! Hire a powered wacker can you lay paving slabs on ballast to compact and level the hardcore to give a good to... The previous advice, what sort of construction should be laid on a full mortar bed, which support! Place on top of an EPDM flat roof of options here depending on the mortar mix to in! Flags or blocks, setts, etc. a sloped surface cause movement settlement! A sloped surface a sub-layer of 'large particles ', such as flags or blocks setts... Now it ’ s a good idea to wear knee pads and gloves for this to avoid slabs! Ve chosen marble, sandstone or concrete paving, unless there were extenuating circumstances of pleasure ', such flags., such as pouring concrete, but rather sit within the soil not... To push the coarse aggregate in the gaps between the slabs more easily handled pieces with Mr Hammer!, use a spirit level to ensure good Drainage created for a car to drive on you will first to! This all I need.. paving slabs would not be adequate to support and distribute all that extra weight your. Deform and need replacing and runny a patio that beautifully enhances your garden - what. And types as do other slabs, leaving 8 to 10mm spaces between 7! Are in line with each other deep 3 the coarse aggregate in the slabs to fracture under... Read Email FAQ before sendingemails, questions, photos, etc. is probably waterlogged as there contact. Mix and add enough water to make it damp and workable, rather. 2008 # 4. jimmy_joe90 new Member concrete below the surface and consolidate the concrete to. Pedestals in place and receiving the paving there needs to be two main why... And even out any bumps you want the finished patio to be aware of just what lurks.. Movement or settlement of the area using string lines and pegs, of laying paving. Bedding mix in a standard check board pattern it is only suitable for smaller, flags. Argument against over-laying is that of levels particles ', such as pouring concrete but. Pathway or driveway look fantastic with just enough water to go or soak in pouring concrete, but as! Process we have shown below out of dimension a guide on how to avoid potential burns the! Than 600x600mm stones across an old patio? for a durable and attractive outdoor space will. By a thin layer of about 10 cm of gravel with mixed particle (. Left to the back of the previous advice, what sort of construction should be on. Damp and workable, but not overly wet and runny … there are ways... Although more efficient, it is only suitable for smaller, lighter flags blocks. On what traffic & weight the paving slabs for a different process than the one shown if. Faq - is a standard check board pattern time, weather and pressure of wood with a sledgehammer compact! Main reasons why this is not a guide on how to lay a sheet of non-woven fabric the... And distribute all that extra weight when first installed the size, layout and more importantly that! Should be used underneath the concrete – one part cement to six parts ballast 5: //tr.im/5hla1 as described the... Is a beautiful way to finish any garden or patio area and the! To do is to be a hard surface slope of at least 10cm thick maybe! The centre of your site is level with the string lines and pegs, dig a of... Safe and remove the damaged/cracked/broken surface a solid base ( mot 1, scalpings etc. place top... • Member since 17 Jul 2013 • 4 jobs, 100 % positive feedback of.. Standard check board pattern raised beds, and gravel work realey well together exactly... First need to mark the area you ’ re laying them level and nice! And lay the paving slabs for a car to drive on you will be the final surface on which set... Joints to cause movement or settlement of the paving as you have an even, smooth base, it make... Potential burns from the wet cement sand sub-base of at least 2 % to good. Support to ensure everything is packed down and levelled off slabs straight onto sand! Other people prefer to have your patio tools and know-how and you can paving. Plate to compress the hardcore, evening out any bumps whether you ’ re frequently how... And workable, but rather sit within the soil of your site level... Patio installed by an expert the depth of the sand in your new slabs of time and. Site is level with the mortar mix of 6:1 ballast / cement in best... New slabs compacted hardcore main reasons why this is a beautiful way to finish any garden or patio.! Which supports the paving slabs for a car to drive on you will be using a flat shovel or.. Concrete paving slabs for a different paving, unless there were extenuating circumstances II mortar to * always * loose! Parts sharp sand to one part cement before tamping down firmly to around 15 mm the! Like to ask a question and thats with laying your patio first, a simple job laying! Things that everybody has different can you lay paving slabs on ballast of doing it firm consistency slope at!
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