In this video I’ll show you how I pour a new section of concrete next to some old concrete and have them join together so they don’t sink or lift, and no gaps or cracks, and never open up....

Jun 5, 2023 · One such problem involves pouring new concrete over an existing concrete structure. On its face, this appears to be a simple enough procedure. After all, two types of concrete should be able to bond to each other easily…right? Well, as it turns out, the process requires more foresight than that.

To pour a new concrete slab next to an existing one, you will need a rebar system, a frame in which to pour, and finishing tools. Once your concrete is mixed and your area is prepared, you can pour it next to the existing slab.

Mar 14, 2024 · Yes, if pouring directly against existing concrete - soak the original concrete and remove excess puddled water. With the original concrete wet, it will not absorb as much water from your wet pour - thus, the new pour will cure correctly …

Feb 24, 2025 · Adding fresh concrete is a common way to level out old slabs and patch damage. If you plan on pouring a lot of concrete, build a wood and mesh barrier first to ensure your new slab is strong. Finish the work by priming the surface and pouring a mix over it, giving your concrete foundation a fresh, new coat.

Just tack a strip of that expansion material right against the house and pour right to it. If you have brick exterior,There is no need for the expansion gap next to the house as the slab will expand away from the house as it needs to.

Imagine saving both time and money on your next concrete project by simply pouring new concrete over an existing slab. This approach, while seemingly straightforward, offers significant cost and time benefits when executed correctly.

Answer: Yes, pouring concrete over existing concrete can be a feasible DIY project with proper preparation, the right materials, and following the necessary steps.

Feb 14, 2024 · Pouring concrete over existing surfaces saves time and money. You won’t need to break up and remove the old concrete, which can be labor-intensive and costly. This method reduces waste and the need for disposal, making it a quicker and more budget-friendly option.

Pouring new concrete over old, weak, or damaged concrete slabs can lead to premature failure or further complications in the future. Here are the most important factors to consider when deciding if it's okay to pour concrete over existing concrete:

Nov 26, 2024 · Pouring concrete next to an existing foundation requires a systematic approach to ensure successful integration. Here are the steps, from thorough planning and preparation to the final curing process.

When pouring new concrete over an existing slab, it is important to prepare the surface properly and apply adequate amounts of concrete to create a strong, level surface. The existing surface must be cleaned and any loose material should be broken up and removed.

Pouring new concrete over existing concrete can sound like a wild idea. But for many DIY projects, it’s a common practice. Statistically, about 60% of homeowners opt for this method when dealing with worn-out surfaces, according to the National Association of Home Builders. First off, ensure the old concrete is in decent shape.

In this article, we’ll discuss pouring concrete over existing concrete, the minimum thickness a resurfacing should be, and how to make it bond. We’ll also provide a step-by-step guide for pouring concrete over concrete so you’re better prepared to tackle your concrete facelift project.

Mar 21, 2022 · Pouring concrete over existing concrete is possible as long as you do so properly. When the old concrete serves as the foundation for your new pour, it needs to be a solid one.

Jan 15, 2024 · To pour concrete over old concrete, you need a smaller aggregate and a reinforcement mechanism to bond the two pieces of concrete. Before pouring concrete, ensure you have a clean and smooth surface. That means repairing cracks, gaps, and other damage to the existing concrete.

Mar 14, 2023 · Discover whether pouring concrete over existing concrete is a viable option for your next project. Learn about the pros and cons, best practices and everything you need to know before starting your overlay project.

Mar 31, 2021 · When Can You Use Old Concrete as a Fill for New Concrete? The most advisable way to repair your concrete is to demolish the existing one and redo the slab. But this will require that you dig deeper into your pocket and spend a lot more time on the project.

Apr 27, 2022 · Proper prep work is key to success when layering new concrete over old. A new layer of concrete can be poured over an old concrete slab if it is in good condition. If the original slab is cracked and broken, consider removing and replacing it instead.

If you want the slabs to stay aligned, drilling and epoxying the rebar for the new slab into the side of the existing slab is a common solution. You can still leave space for expansion joints, but they may not be needed.

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Mar 11, 2025 · Because rebar cannot bear the weight of a person, it can be risky for workers as they step over rebar while pouring and spreading concrete. “They had to try to feel the rebar and step next to it in a 10x10-inch opening between two rebars in the cage.