One notable exception would be the use of a bitmac overlay, where a new surface or wearing course is applied over an existing bitmac (or occasionally concrete) surface to improve the overall look and styling, but, when it comes to segmental paving, it is considered to be 'bad practice' to lay new paving over old. Remember that you need stones to cover the center of the patio as well as the perimeter. Any type of paver is appropriate for use when covering up an old patio, as long as the stones fit together and create a tight surface. Paving slabs, patio slabs, garden paving online shop - All of our paving stones and porcelain paving slabs have been designed specifically to create a durable, long-lasting, and attractive patio space including natural stone slabs such as granite, sandstone, limestone, and slate slabs, as well as porcelain paving slabs. Take a look at our range of trade standard concrete paving slabs, kerbstone and flag stones. Joined: 24 Jan 2007 Messages: 10 Thanks Received: 0 Location: West Midlands Country: Hi I am planning on over laying some new paving slabs on existing slabs… 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. Currently there is an existing concrete base. No professional contractor would lay new paving over the top of existing paving, unless there were extenuating circumstances. 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. 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What problems are likely to be encountered? The slab in this situation is over 40 years old and if it is stable then good results might occur on the other hand you can’t really tell by looking at it. Discussion in 'In the Garden' started by daveyhb, 1 Jun 2009. daveyhb. Before laying paver stones over your old patio, check the surface for imperfections that could lead to problems down the road. It is safe to pave asphalt over concrete. With a bit of judicious jiggling, it is usually possible to align a joint in the new surface with the 'buried' movement joint, although it may be necessary to create a joint specifically to extend the movement joint. Maintenance involves a number of responsibilities such as routine cleaning, repairing the damage, regulating drainage and seal coating, to name … Saint-Gobain Building Distribution Limited, Trading as Jewson, Registered in England, Company Registration No: 01647362 Registered Office: Saint Gobain House, East Leake, Loughborough, LE12 6JU VAT Registered: GB 394 1212 If the sublayers are still moving/sinking now I am pretty confident they would still continue to do the same. Looks like “Old Council Paving Slabs” has already been sold. Place a board around the perimeter of your driveway. You need to consider the added height and weight of the overlay on the existing structure. Any weeds should be removed, along with any organic detritus. Consider the finished height of adding materials atop the existing surface, since this may create a problem with doorways or thresholds leading into or out of your home. Bradstone Old Town Paving in Old Quarried From £37.89 per m 2 Imagine a paving solution that so authentically recreates the appearance of old timeworn York flagstones, even incorporating tooling marks and weathered edges for that additional touch of realism. Forge Paving Centre supply Kilsaran Paving Slabs and Paving Flagstones in a range of colours and styles including Belvedere, Cambridge and Old Priory. The back is section is a small run of concrete that runs approx a meter wide from the house to the grass garden. However, rigid block paving can be bedded onto 15-20mm of Class II mortar. Bearing in mind the consideration regarding additional weight and DPC levels, it would make sense to minimise the depth of the bedding layer. Perhaps they have an old installation built on a concrete slab, or perhaps they want to avoid doing the work necessary to rip up an old concrete patio … This can either make things much easier or much harder. FAQ considering the use of gravel or shingle over an existing surface Paving Types. From stylish granite to versatile concrete, we’ll have the best patio slabs for you. Before laying paver stones over your old patio, check the surface for imperfections that could lead to problems down the road. This is a popular enquiry from the DIY readership of the Pavingexpert website. Step 3: Pouring a Primer Coat Slurry made of 1:7 ratio of water to cemennt. The first order of business is to remove gravel, leaves, sand, and dirt. Let the glue dry for a few hours before you tamp the field pavers and sweep sand across the patio to fill the joints. The classic weathered appearance and natural looks of Fairford Old Gold Decorative Concrete Paving provide for a timeless … For this to be feasible, the contractor needs to pour at least 2 inches thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete. 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. Block Paving - An Introduction to Block and Brick Paving ... Flags and Slabs. It becomes contaminated with 'undesirables' such as weeds/roots, silts and muds; it degrades due to individual grains becoming crushed to a smaller size and increasing the quantity of 'fines'; it loses particle angularity which adversely affects interlock. Narrow and old street with paving slabs and lifting up in the Vladivostok, Russia, … New and reclaimed Paving Slabs and Stones for landscaping gardens, driveways and Building WorkPaving Stones offer an attractive and durable alternative to traditional concrete paving slabs or tarmac for your garden or driveway. Properly installed asphalt can last 20 to 30 years, especially if maintained correctly. I have an old tarmac driveway that I want to pave over. PSMC18: 450 x 450 x 50mm thick, 23kg P2-2209 Exposed Aggregate Concrete Paving Slabs with An ugly patio surface has the ability to mar the look of your landscape. 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. The finishes of our traditional paving slabs include riven, worn, smooth and flame-textured, each available in a range of colours and sizes designed to accentuate a different characteristic of your garden space. I don't want to try breaking up 8" thick concrete and with slabs on top I will still be 200mm below the DPC - so al should be well. 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). Sweep the surface clean to remove any loose material, litter, soil, etc., and douse with a good weedkiller, if necessary. Why choose Bradstone This is a popular enquiry from the DIY readership of the Pavingexpert website. Can new paving be laid over the top of existing paving? We have a combination of the latest driveway systems available and traditional methods that mean we can cater to any driveway needs. There may be a temptation to lay a new bed directly over the old, but this, too, is not always a sound plan. Flags can be laid on 20-25mm of cement-bound material – the 10:1 bedding mix described on the Mortars and Concretes page is ideal for this task. See more ideas about paving slabs, patio stones, garden paving. Steps in Using This Method Step 1. If the existing concrete is in good shape structurally, you can pour new concrete over … Breaking up the old concrete to pour new requires more work, but can you pour concrete over existing walkway or patio surfaces successfully? The Pavestone Paving Manmade Fairford Range Grey Paving Slabs also enjoy the appearance of natural stone paving in a light and soft pastel grey colour with the durability of manmade concrete. FAQ - Is a concrete base better than a sub-base beneath block paving? Before installing pavers over concrete, the surface is cleaned with pressure washer to remove any dirt or debris. 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. 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. Something in the deepest recesses of their mind tells them that it's probably not kosher. 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. The surface was badly worn and pitted, but the slab was sound and there was ample height to pour a new slab right over the old one. This FAQ considers all of these points. There are cases when pouring new concrete over old just isn't a viable solution. It was originally poured in multiple sections so it had some seams that looked like cracks. Clean your patio surface with a hose or pressure washer to get the firmest grip from your mortar. 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. Stone pavers can be secured without mortar, using a setting bed of masonry sand. Pavers on concrete without sand are held in place using mortar. Concrete slabs need little preparation and can be laid by the DIY enthusiast as well as specialist landscapers. Mortar is also needed between each paver to keep them firmly in place. Oct 7, 2019 - Explore Jennifer Blackman's board "Paving slabs", followed by 182 people on Pinterest. Narrow and old street with paving slabs and lifting up in the German city of Baden Baden, Europe. 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. 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