By Rae Holmes. Patio. Published at Wednesday, June 28th, 2017 - 20:47:21 PM.
If you're looking for a simple solution, then perhaps modular wood deck tiles would work well. These can cope with a certain amount of cracking in the underlying concrete, without being affected. They're easy to install by just clicking them into place. Once laid, they stay firmly in place and don't need any special surface preparation, adhesives or other fixings. They have a plastic base to allow water to pass easily underneath, and to keep the wood away from the sub-surface. You can tile your whole patio area in only an hour or two.
Perhaps the concrete is basically sound, but has a few hairline cracks. In that case you can lay porcelain or stone tiles over the top, to give an elegant finish to your patio. It's a good idea to use tiles with a textured finish, to reduce the risk of slipping when the tiles are wet. You can use other materials such as sandstone, limestone, granite or slate, as long as they are properly sealed. If you often have freezing conditions over winter, then ensure the tiles don't absorb high levels of water, or they might crack. Be aware, too, that existing cracks in the concrete may expand and cause the tiles on top to crack as well.
Now, firm up the subsoils using a compactor with least compressive force of 3200 pounds and begin adding 6-7 inches of crushed stone on top. Add thickness of 2-3 inches at a time until within 3 inches of the string line.
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