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Is It Possible To Lay Stone Pavers Over An Existing Patio?
What was once a freshly laid concrete or asphalt patio will eventually become an ugly eyesore, its luster lost through time and weathering. Whilst many homeowners choose to replace their ugly patio with some aesthetically pleasing stone pavers, many wonder whether they need to go to the effort of ripping the old concrete and asphalt up first. Under the right conditions and with the proper preparations, you will find it possible to lay pavers on the existing patio.
Type of Pavers
The good news is that any type of stone pavers is appropriate for covering up your ugly patio, as long as each fits together and creates a tight surface. Some of your options include: bluestone, travertine, granite, slate, limestone, sandstone and quartz. Try to choose flat, level stones for the border of the patio, as these are less likely to become a tripping hazard. It should also be kept in mind that you may need to cut the tiles to size to ensure a tight fit.
Inspect the Surface
Before even thinking about laying pavers, you must carefully inspect the patio for any imperfections that could lead to problems down the track. Whilst hairline cracks are no cause for concern, you don’t want to lay stone if the surface has defined cracks, holes, chips or uneven sections. If you discover any of these problems on your patio, it is essential that you repair them before laying tiles; failure to do so can lead to gaps and loose stonework in the future.
Setting with Mortar
If you have chosen to hold your pavers in place using mortar, make sure you give the patio a good clean with a hose or even a pressure washer first. Decide on the design and placement of each stone before laying your mortar, as this will lessen the chances of making a mistake. Spread half an inch of mortar down onto the patio, working slowly and focusing on one section at a time so that it doesn’t cure before the tiles are laid. Mortar is also needed between each stone.
Setting without Mortar
If you have chosen to hold your sand stone pavers in place without mortar, you will need to use a bed of masonry sand. Ensure that the patio is clean and lay a sheet of landscape fabric over the top (this will prevent the sand from washing away in the rain). Spread an inch of sand onto the fabric and begin placing the stones in your pattern of choice. You will need extra sand to fill in the gaps between the pavers to hold them in place.
Whilst it is possible to lay stone pavers on an existing patio, it is important that you have followed the above instructions and tips. This will ensure that the project goes as smoothly as possible and that your finished patio looks a million dollars. If you are worried about making mistakes, we recommend that you use a masonry sand bed, as it is impossible to move pavers once they have been placed in mortar. And don’t be afraid to ask for help!
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