The outer edge of the paving will almost touch the string line. Select the corner that you will start from. This number is called the drop, and represents the depth difference between a fixed higher and lower point. These kits come with stakes that will hold the edge in place against the slabs. A patio needs a solid and drainable Foundation. The ground below the slab should then be marked, wet, and compressed to make it firm. Just keep in mind that many local authorities limit the amount of soil that can be disposed of at household recycling centres. Once you have finished laying the remaining stepping-stones between the two end slabs you can them remove the string line and pins and then gently replace any gravel around the slabs. Paving needs to sit on a hard well drained Foundation. Add a layer of hardcore 50mm to 80mm deep and smooth out the surface to remove any bumps before adding bedding mortar. It’s quite common for people to lay paving on top of an old patio, concrete or another hard surface. Depending on what you are doing, there are two essential tools if you want to get a clean cut. It’s all too easy to mistakenly hit a utility such as gas or electricity. Level off the slope at one end first then use a spirit level to imitate this slope across the whole area. So if you have the time, it can save you hundreds or even thousands to do it yourself. A slab door is a door that comes without a surrounding frame. Of course the easiest way to go about doing this would be to hire a tradesman who specialises in groundwork, however it isn’t a particularly difficult job, and you’ve probably already got most of the tools you need in your shed should you wish to have a go yourself.eval(ez_write_tag([[580,400],'lawnmowerwizard_com-box-3','ezslot_2',118,'0','0'])); Before buying anything you need to have a fairly good idea of the size of the area you wish to cover, so using a tape measure (a large flexible type rather than the retracting metal type is best) measure the overall length and depth of the space and calculate how many slabs and bags of cement and sand you’ll need. It's important that the first slab is positioned accurately. First mark out the area that you are going to lay paving slabs... 2. Many people want to know if they can lay the paving directly on to soil. You should make out the area using some spray the edge of a spade or whatever works on the surface you are working with. These can be rented out or bought quite cheaply. The fabric provides a weed barrier, ensuring plant life doesn’t try to grow under and through your foundation. The ground level needs to be planed, smoothed, and freed of any debris or dirt. Before you can start laying patio slabs, you need to dampen them so they don’t dry out your concrete too quickly. once the hardcore is to the correct depth and following the gradient you need to compact the area. Otherwise you may injure yourself or end up with a mess that will cost more to fix. Concrete is corrosive and can cause skin conditions if not washed off. If the paving is touching/near a house, use the house as the fixed edge. Laying paving is definitely not for everyone. You may have to cut the stones, to help define the slope. These days I have truly mixed feelings about petrol powered tools. For a detailed breakdown of how to cut and shape paving see our cutting and shaping article. If this isn’t going to work you will have to break up the hard surface and remove it. The ground below the slab should support its weight. Work out the volume of the waste you are removing so that you know how large the skip needs to be. The optional equipment is for specific tasks or generally making laying your paving a bit faster. Follow the guidance of the equipment leaser or manufacturer on using this machine safely. if the area that you are laying the paving on has poor drainage (puddles sitting on the surface after it rains) it is likely to have poor drainage after laying paving. Another consideration you have during this phase is drainage. How to Lay Paving Slabs (the quick and easy way) Step 1: Measure Up. Paving needs to sit on a hard well drained Foundation. Press down firmly to around 15 mm into the sand. unless you have a tipper van you will probably want to hire a skip. they aren’t always clearly marked on the ground or even on maps so follow the protocol suggested by health and safety England. Much like when installing paving slabs for a pathway, you’ll want to dig down to 150mm for your foundations. The first step is to prepare the ground for laying the concrete slab. If any part of the slab drops below the correct height you will need to take up the slab and regroove the concrete. The process Step 1: Preparation. Make sure to wear protective equipment, especially ear defence, when using a concrete breaker. I would say that the next most important thing to … This is most easily made using a cement mixer but can also be mixed in a wheelbarrow. If your clothing gets covered in wet or dry cement, make sure to wash it off as soon as possible. BUT you should read the whole guide before you start. Stylish and durable, they look great and will withstand the rigours of the Canadian climate. There are a number of methods for laying paving however we have experimented most of them and found this to be the winner for quality finish and speed. Using pegs, the string and a spirit level or line level, set up a string which is level and runs precisely down the line you would like the edge of the paving to follow. This needs to be done with a wacker plate which you can rent cheaply from a plant hire company. To help you get this perfect paving spacers are a great idea. For example, Indian stone paving typically comes in 4 size packs. Paving is our bread and butter at Acorn Landscape Gardening, there is rarely a week goes by that we don’t see ourselves laying paving. The slabs will be laid on roughly 5 cm or 50 mm of concrete. If you are trying to match a paving pattern this can result in gaps of between 0.5cm and 3 cm. Concrete slab installation costs a minimum of $5.35 per square foot for a 4" thickness, and as high as $10.55 per sq. Lay the paving slabs on a full mortar bed, which should support the whole slab, not just the corners Use a mortar mix of 6 parts sharp sand to 1 part cement Mix together with just enough water to make it … How to lay paving slabs on a patio 1. To install the slab, use the SlabSetters to lift the slab off the ground and position it over the leveling sand. Lay it into the concrete mix and gently tap it with a rubber mallet so it’s fixed in place. The method below is suitable for many types of paving slabs, so whether you’re laying concrete slabs or natural stone, our guide has you covered.However, bear in mind that if you are laying porcelain paving slabs you will need a slightly different installation method.. What you need to lay your paving slabs: This means that water will pool on the surface. The slab should be a couple of cm above where it needs to be. Step 2: Building the base. Step-by-step guide Step 1: On paper. Divide this by 80 and you have the correct drop. Remember when you are laying these, you’ll need to allow for a slope of 1 in 60, as this will encourage the flow of rainwater. The aim is to get the slab to remain as level as possible whilst dropping down to the correct level. Next, using your cement trowel, drag some grooves through the cement which go almost to the hardcore base. Place the first paving slab into place on top of the sand. This guide will work if you are laying on most normal garden surfaces including already existing patios, concrete, tarmac, grass or mud. Finally, lay down commercial-grade landscaping fabric. This is most easily made using a cement mixer but. Line up the paving slab to get it in the correct place. A slab is a structural element used for flooring (similar to tiles but larger in size and usually made of concrete instead of ceramic). If the pit is the correct depth, measure the distance between the string line and the base of the pit at the top of the slope (point A in the image). 1. Our breakdown of paving and sealing is designed to help you work out the best approach for your paving. ft. for a 6" slab with thicker edges, styrofoam beneath the slab, and wire mesh. The preparation stage is much the same as with paving slabs, excavation of the area, laying of a compacted sub-base and finally laying the blocks in the chosen pattern ensuring there is a fall of 1cm in 60cm for water runoff. You may find it useful to set up more than one string line. If this is the case, you have to shift the central point so that this space is more consequent. Decide the level you would like the paving to sit at when it’s laid. if you count yourself as a reasonably strong and practical person you should have no problem laying paving. When a corner drops a couple of millimeters, switch to another corner. If you’re laying a small patio, do this in a wheelbarrow, for larger areas it’s worth hiring an electric cement mixer. For paving without uniform slab sizes you may find that having uneven spaces is unavoidable. By defining the slope, the paver can then lay on it the correct way without causing any issues without looking off or weird. Add the drop to this number. Before you begin to lay the paving you need a reference point to get the surface of the paving at the correct height. This is why we lay the two end slabs first the fix a string line between them. When installing sidewalk slabs adjacent to each other, make sure to leave a narrow gap between the slabs. Lay stone hardcore base and weed control fabric. In Maine we install a lot of slabs-on-grade for houses and garages. For paving with uniform slab sizes, accurate spacing can be very important as uneven spacing could stand out from a distance. You need to go over the entire area at least three times to ensure that the hardcore is properly compacted. Try to imitate this as you lay on the slope. As you lay each subsequent slab it’s a good idea to use a straight edge or spirit level to ensure that the top faces of the slabs are aligned: It’s surprising how much soil you dig up when laying a few slabs, so you need to have some sort of plan of action for how to best get rid of it. 4. This takes into account all of the preparation right through to completion. The base of your paver shed foundation is gravel. Lay concrete pavers or patio slabs To build a pleasant outdoor living space such as a patio, summer kitchen or simply a walkway, pavers are the ideal solution. These grooves allow the paving to be pushed down easily enough to level. This can be ordered from builders merchants who will drop it off for you in ton bags. If the surface is solid and will work well as a base for the paving then you just need to make sure you have at least 50mm plus the depth of the paving between the current surface and where you would like the surface of the paving to be. If you lay paving on soil with no supporting hard base, it will eventually deform and need replacing. See our drainage page for more information. Lay paving slabs all along the perimeter of the area first. you can use the string line method again at this point to check the level. depending on what the surface is you will either need a concrete breaker or just a spade. Next you should carefully position the slab on top of the wet cement, bearing in mind that slabs are heavy, so if at all possible you should have someone to assist you at this point, both to spread the weight and to ensure that the slab is positioned correctly.eval(ez_write_tag([[250,250],'lawnmowerwizard_com-large-leaderboard-2','ezslot_8',126,'0','0']));eval(ez_write_tag([[250,250],'lawnmowerwizard_com-large-leaderboard-2','ezslot_9',126,'0','1'])); With the slab in place use the mallet to gently tap the slab in the corners if they are protruding above the height of the ground, this will disperse the cement below, and you might find that it seeps out from the gap at the edge of the slab in the process, if it does just be on hand with the trowel to scrape it clear. To build this up you will use type 1 MOT hardcore. The makeup of the paving structure is as follows however the hardcore can be deeper if need be. The last thing you want is a nice new patio that gets flooded every time it rains. Sometimes the opposite problem occurs and you may find the slab sits too low on one side or corner, if this is the case carefully prize the slab up with a spade or crowbar (again we recommend this as a two person job) and trowel a bit more cement into the shallow area.eval(ez_write_tag([[468,60],'lawnmowerwizard_com-leader-1','ezslot_10',120,'0','0'])); Once you’ve laid the first slab it’s simply a case of repeating the process until you’ve filled the entire area, with a bit of luck you’ll get a better idea of the quantity of cement to use with each new mix, and get better at positioning and fine tuning the slabs as you go. To check the depth as you go use your ultra high-tech stick to keep checking the height, removing more soil where the level is still too high, and raking it back over if you’ve dug slightly too deep. See our drainage page for more information, This can be ordered from builders merchants who will drop it off for you in ton bags. Following this guide should make the job pretty straightforward. make sure the bottom of the pit is reasonably level. See HSE advice on working with concrete here. The next step on how to lay paving slabs on a slope is to install the paver, starting from the areas with lower altitudes. Once you’re happy with your estimates head to your local DIY store and load up the trolley with all the materials you need, at this point it’s also worth buying any of the tools you’ll need if you don’t have them already.eval(ez_write_tag([[300,250],'lawnmowerwizard_com-medrectangle-3','ezslot_13',125,'0','0'])); Mark out the area you wish to pave, you can either do this by scoring a line on the ground along a straight edge or by placing some other sort of marker on the ground such as a piece of strong tied between two pegs. See this article for a step by step breakdown of how to mix concrete. Next, you’ll need your paving slabs. Lay all full and cut slabs until your project is complete. Buying a Second-Hand Ride-on Lawn Mower or Garden Tractor, 600mm x 600mm slabs – these range from between £5 and £25 depending on their quality and appearance, Cement – approximately one 25kg bag per every 6 slabs, Builders sand or ‘sharp’ sand – approximately 1 bag per slab, Cement mixer (can be rented fairly inexpensively), Alternatively you can get away with not using a cement mixer by using ‘Ready Mix’ cement which already has sand mixed in with it, you’ll obviously still need a plastic container to stir water into the cement mix, Mallet -a rubber headed type is best as this avoids damaging or breaking the slabs, Piece of wood the same depth as the paving slabs, Angle Grinder with masonry cutting disc should you need to cut the slabs.