In Maine we install a lot of slabs-on-grade for houses and garages. Sit your shed on a soft surface like the ground and anchor it down; Use pavers or small stones for your base. This is usually done to prevent the ground from sinking because of the weight of the concrete patio that is installed above. Lay concrete slabs at the corner and centre points of the space you want to deck. View Topic Can U Deck Over Existing Concrete Slab Home Renovation Building Forum . Log in. It’s important you tamp it down to push the coarse aggregate in the concrete below the surface and consolidate the concrete. I would lay a steel reinforcing matt in 100 mm of stiff concrete and lay slabs on a bed of sharp/ cement on top.This is done if on a hill or the ground is loose. Measure the slope, by tying a string to a stake inserted just outside the lower end of the patio site. Generally, a 4" (100mm) thick slab set 2" (50mm) above ground level is suitable. 3,443 Posts . The slabs. Sign up. Concrete slab foundations, sometimes referred to as slab-on-grade foundations, are the cheapest and easiest foundation types to install.In order to lay a concrete slab foundation, you create an outline of a home and pour concrete that is roughly four to eight inches thick directly onto the ground. Wooden Decking Over Uneven Concrete 3 2m X 2 1m Diynot Forums. Then roll it over the ground layer, smoothing the edges with a smaller brush. The finish must be perfect and on a totally stabilized ground. Decking Over Uneven … This can either make things much easier or much harder. Then, build a perimeter, or a wood brace, that is the same height as you want the concrete to be. You’ll pull the grid up into the center of the concrete as you pour the slab. The next stage in the process involves correcting the uneven areas, with a resource that’s often termed ‘screed’ or, more commonly, a self-levelling compound. Then cut and lay out pieces in a 4-ft.-on-center grid pattern. A concrete slab is poured right on the ground. A concrete base works best when you are able to lay a compacted hardcore base of around 3 inches and then another 3 inches of concrete above that, keeping the surface as perfectly level as possible. Explore . Tools Needed For Building. The easiest way to build shed bases is to use a base of blocks, ideally concrete, on uneven ground. Constructed by Tony Petford. For an attached structure, the finish floor is generally placed level with or one or two steps below the house floor. Measure and mark out the area you need to concrete, using a string line and wooden pegs, ensuring that the corners have a 90 degree angle. This includes removing sand, dead leaves, and gravel. Before you lay your concrete floor, you’ll need to take a few things into consideration, the first of which will be your building regulations. It’s quite common for people to lay paving on top of an old patio, concrete or another hard surface. Last week I had the opportunity to help a friend build the foundation for a new shed that will be delivered in a couple of weeks. Before you begin, make sure your concrete is properly sloped and doesn’t puddle. Above uneven ground. Decking Over Uneven … From there, I just built a deck for the shed to sit on. As a rule; your base must be 75mm larger that the finished slab to allow for formwork. Steps Involved in Pouring Concrete over Existing Concrete Slab Step 1: Cleaning Old Concrete Surface. If you plan to lay decking that’s raised, adjacent to a building or wall, . I decided to sink some 6×6’ posts into the ground on top of concrete footings. Saved by Sue Petford. 3 Tips For Building A Deck Over Concrete Trex. View Topic Can U Deck Over Existing Concrete Slab Home Renovation Building Forum . Here we’ll walk you through how to lay paving stones over concrete. So I decided to at least make the path to my house more safe and also more beautiful but temporary as later I would remove it and make… Drainage: The biggest problem with laying pavers over a concrete slab is the inability for water to drain through the blocks and down into the earth. Here are some tips and instructions that will help make your first concrete block project that much easier. Before the concrete is installed, the ground is prepared and the earth is compacted using heavy machinery. Learning to lay concrete blocks is a valuable DIY skill and one that could make many projects a breeze. ... a 17 cm thick concrete slab for wooden pools and 15 cm for a composite pools will be necessary. Explore • Lawn And Garden • Garden Types • Yard • Backyard Deck.. When working outdoors, be SunSmart - Slip on some sun-protective clothing – Slop on sunscreen - Slap on a hat - Seek shade - Slide on some sunglasses.

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