That is a 16mm drop in level per metre. You'll only need to lay enough mortar for the first slab. Perfect Grass is asked to lay artificial grass on all types of surfaces both indoors and outdoors. Remove the shim and check the pegs are level in the other direction. Laying artificial grass onto a permanent surface such as concrete or concrete paving is pretty simple as the surface has already been created for you. Our video guide below is the perfect place to start with your project. We'll show you how to joint three different jointing widths: Begin jointing once the mortar is set underneath your paving slabs. On a mixing tray, thoroughly mix the dry sand and cement together. For this project, we're digging to a depth of 215mm at the highest point. If the imperfections are small, a foam underlay will be enough to correct them. For some paving projects you'll need to cut paving slabs. Artificial grass can be installed on top of plain old concrete, block paving and even patio paving slabs. Roll this out onto the area to be covered and join with glue and tape. However, you will need to check that the concrete which you are laying the grass on drains water properly. Lay the straightedge to rest between two pegs – the first peg from the first row and the first peg from the second row. Mix four parts building sand and one part cement in a bucket, adding clean water until you achieve a slightly moist, smooth, damp consistency. Set the fall for the sub-base. If you’re edging the area, use a tantalised timber frame and secure with timber batons or use a concrete edging block/restraint with an internal concrete haunch of approximately 100mm. When laying artificial grass on concrete, we recommend using one of our Performance Pads – particularly for larger areas as this will cushion the area. Replacing old and worn patio slabs or a natural lawn with the gorgeous greens of artificial grass is quick way to inject some class and character into your outdoor space. Multiply the required fall (e.g. Mix it thoroughly until you have a soft consistency. As a final check, measure the diagonals to make sure they are the same length. In other words, a roll of artificial grass can cover a surface of either 50 or 100 square metres, depending on the roll’s width. Jointing is the final step in completing your patio. Add half the sand, then the cement. This piece of wood is known as a levelling shim. As it’s weatherproof, it’ll stay looking bright and green all year round, and will last years too. Make spacers by cutting pieces of timber or dowel into short lengths. An edging kerb can give an attractive, decorative finish to your path, patio or drive. When it comes to the order of layering, some installations are done with steps 3 and 4 reversed – the sand is laid on top of the weed membrane, rather than the other way around. Brush in using a soft brush. In this example, our paving slabs are 65mm deep, but measure the depth of your slabs and insert this into your calculation. No need to completely smooth out the surface – the odd lumps and bumps make it look more natural. Carefully brush away all of the excess mortar from the slabs, as the cement could stain them. May 2017. Carefully roll your artificial grass out across the anticipated area. The first step in creating your new patio is marking out the space. Measure and cut a small strip of wood to the required drop in height of the patio per metre. These can also be hired. The reading should show that the second peg is higher than the first one. Paving slabs can be very heavy. Hammer them in until the marked line is level with the excavated earth. In our example in step 3, we calculated a fall of 12.5mm would be needed. That is a 12.5mm drop in level per metre. Take great care not to crack the slab. Vegetation will decompose over time, resulting in settlement of your paving. Groundwork sorted, it’s time to turn your attention to the pavers. Gently sprinkle the mortar mixture along the joints. Apply Always Green Aqua Bond using a cartridge gun onto the jointing take in a zig zag pattern – and making sure each roll of grass has at least 5cm of adhesive in contact with the tape. If using textured paving slabs – the ideal fall for a patio is 1 in 80. Mark out the area for the sub-base using wooden pegs and a builders line. 4. Patios, paths and drives are built with a slight slope (or 'fall') that lets any surface water drain away. Just ensure that the surface has been adequately prepared. Sand should be evenly distributed ensuing no excess appears on the surface of the turf. By continuing, you agree to our use of cookies. Nail the shim to the underside of one end of a 1m-long straightedge. Just ensure that the surface has been adequately prepared. Using a tape measure and builders square, mark out the perimeter of the patio with builders lines and timber pegs. High shock absorption, superior comfort and excellent drainage properties. Lay down this edge first then go from there. Using a shovel, make a hole in the centre of the pile and pour clean water into it. Regular brushing of the surface will keep it looking glossy and healthy, while pets’ presents on the lawn should be hosed off to prevent bad smells and possible discolouration. Position the wooden pegs so they're just outside the project area, but aligned with the borders of the final paved area. Use a long spirit level to check and recheck that the surface is flat and the fall is correct. The foam underlay will provide a sufficiently smooth surface to lay the grass on to. Specially constructed tape used to form strong bonds when seam jointing artificial grass. If you are laying slabs 600 x 600mm or larger, you must have someone to help you lift and lay them. However, in those instances, rather than installing a laying course, we generally recommend that you use either a 10mm or 20mm foam underlay. Whether you’re laying artificial grass on paving slabs, or rolling out in place of a natural lawn, the steps are much the same. For larger joints, use a wet mortar mixture. Mortar will need to be used within two hours of being made (in hot weather you’ll have less time), so mix as much as you think you can use in that time. It's the process of filling the gaps between the paving slabs to provide a firm, level surface. Fill in any gaps between the stones with more sand, loose soil or plugs of … Installing artificial grass on concrete and decking is surprisingly simple, to put it Can you lay artificial grass on patio or paving? Although the fall has already been set in the sub-base, it’s important to run a set of builders lines marking the perimeter of the patio and the top edges of the paving slabs. Wear safety goggles, gloves and a dust mask when mixing mortar to avoid cement coming into contact with your skin or eyes, or being inhaled. The addition of cement leads to a firmer finish and the mixture will set as moisture in the ground is absorbed over the first few days. This is known as the key slab. Choose one fixed edge and a corner to use as the orientation for the paving. Calculate the fall for your patio, using the final dimensions confirmed at the end of step 1. Laying Artificial Grass On Uneven Paving Slabs Home > Artificial Grass > Laying Artificial Grass On Uneven Paving Slabs Published at Thursday, April 08th 2021, 11:03:57 AM. The grass can generally be stuck down using adhesive, or you can use a double sided tape. How To Lay Artificial Grass Over Paving Slabs. Fill any gaps under the slab with mortar, cutting it flush with the edge as you go with a trowel. There are many reasons why home owners want to change from paving to grass: The paving is old and cracked creating an uneven surface to walk on Spread a layer of sharp sand to about 20mm depth using a shovel or sand spreader. Mark the cutting line in pencil on both the surface and edges of the slab and use the angle grinder to follow this until you have a clean cut. Smooth out the sand evenly across the sub-base and press it down using a compactor or hammer and plank. This page follows the step-by-step installation of a modern artificial grass lawn to a small residential rear garden. Laying paving directly onto grass, without any firm base, isn't going to work in the medium to long term. Roll out sheets of weed membrane over the sub-base as a bedding layer. the paving slab. Don’t allow mortar to dry on your tools. An Artificial grass paving installation is easily done, providing the existing patio or paving is in a good condition. We recommend always working with a friend or family member to reduce the strain of lifting. Try to avoid lining up the ends of the rolls exactly, as it will give a less natural appearance. For example, if you are building a patio 3m long with textured paving, you will require a fall of 12.5mm per m. Allow a total fall of 37.5mm from the highest point of the paved area to the lowest. We understand that it can be difficult to know where to begin when planning out your ideal space. You can choose the slope direction if there are no walls on any side. Gaps between the slabs should be ultimately filled with some sort of medium. When laying, line up the edge of the paving so it is almost touching the string. Once the glue is dried, sweep off the surface with a broom to cast off loose blades of grass and dust or dirt. 12.5 or 16mm) by the length of the sloping side of the paved area in metres (m). Check the depths and add or remove sand as needed. After heavy rain the ground will soften and any uneven areas will become more apparent and that will get worse with every season. Laying artificial turf on concrete pavers is a simple, yet effective way to give your yard a fresh, modern look. These numbers can help you figure out how … The use of artificial grass on existing hard surfaces is becoming more popular. If not, it can be costly to repair. Step 7. The fall is a slight slope across a paved area that helps surface water to drain away easily. Finish off by sweeping the surface of the whole patio to ensure that it's free of loose sand. Wet the back of the slab with a brush, ready to be laid – this will improve adhesion and make it easier to slide into position. To be honest, the majority of work we undertake now for laying paving slabs is much more popular, providing many more colours and designs, although not as strong as concrete flag stones. Run the mixer, then add the rest of the sand and more water if necessary. Lay a long spirit level on top of the straight edge. A cement mixer will make short work of mixing, but you can also mix smaller quantities by hand on a mixing tray. No need to completely smooth out the surface – the odd lumps and bumps make it look more natural. If you’re laying artificial grass to replace natural grass, start by digging out the turf down to about 100mm using a spade or a turf cutter. Ideally add an extra 5 to 10centimetres (cm) to every edge of the patio measurement. Cover the area with a sub-base and compact in two layers to a depth of 70-75mm using a compactor plate. Once your concrete or paving has thoroughly dried, the next step is to install the artificial grass shockpad.
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