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When you want to measure the patio I thought it would make it easier this way, but I ended up pulling them out and keeping them straight. Ground preparation, fill, and drainage base requirements for paver patios are similar to what is required for a concrete patio, with the addition of landscape fabric and a sand layer. Congratulations,!!! I had about five that had some wobble and just about every time, the culprit was a raised bit of larger gravel that had been pulled near the surface. We own and operate multiple Outdoor and Gardening sites. The first is to make sure the area is flat; that is to say that there are no raised edges between stones to trip people up. A 2% grade wont negatively affect your outdoor enjoyment. Another method is to dig a hole under the edge of the slab, place a hydraulic jack under it, and raise it to the new level. When researching costs for purchasing patio paver stones and having them installed, estimates ran between $10-$22 per square foot. Use a small level to check the bricks in 2 directions, and use at least a 6-foot level for a drainage slope. Do this in a sifting type of motion to get it even. Would the height of the stones against this side wall be the same height as the back wall? Generally, a patio slope should drop 1/4 of an inch vertically for every horizontal foot. Screw a 26 the width of the stringers to the backside of the stringers with two deck screws into each board. A patio that collects water or allows water to flow back and sit against the foundation needs to be re-sloped. 2008-07-18 02:18 PM. A garden slope you can live with. The fall, slope, grade, pitch, or angle of a patio is often expressed as a ratio, percentage, or fraction. 9 Ways How to Divert Water in Yard - The Backyard Pros Proper drainage is important to protect structures from moisture damage and erosion. This will most likely mean making the slab thicker that what it would be then using . If you need to add a little privacy to your patio, check out these amazing DIY patio privacy screen ideas. Patios within 10. Generally, a 4 (100mm) thick slab set 2 above ground level is sufficient. Why does Mister Mxyzptlk need to have a weakness in the comics? The angle of slope that allows for proper drainage for your patio is 1 per every 4 feet. 1 in 10 is very shallow for any paving, 1 in 6/7 is more like it for a smooth paving. The thickness of the drainage base will be added to that for excavation and ground preparation. Deck Slope Benefits on Waterproof Decks - Pli-Dek Aim for a slope of between 1% and 2%. If you are using steps or stairs in lieu of earth and retaining walls for your slope, they need to be wider than the step below them so that theres enough room for something, like pavers or concrete to sit between the risers (or ledges) before installing another one higher up. Excavate the ground where your patio will go, using whatever excavation tools you have available to dig out all of the material thats in there. If theres any doubt as to what size patio you need, measure out the measurement of your desired paving stones (usually twelve inches wide) on graph paper first and cut it. A crusher run has granite dust and coarse and fine angular aggregate and the gravel is about -4 in size. Sure you can color the concrete, or stamp it, but its going to be one solid piece. The site for a concrete deck should be cleared of vegetation and topsoil (R506.2) to a depth that allows for the drainage layer and concrete. i think i figured it out, though. Patio slope both ways? | DIY Home Improvement Forum This will be your level line and also the top of your compacted base layer. . I could carry only one at a time, so this made the project more time consuming. Once you make sure that the ground is uniform in materials and level, you are ready to lay your patio.