How to make a monolithic overlap

Under the floors in the houses is usually meant the organization of a clear division between the floors. In ancient times for this used wooden beams, which fit into gaps. To them from below the ceiling of the lower floor was pinned, and from above the floor covering of the upper one was arranged. However, the tree is not very well proven in this role, so modern builders began to use a monolithic overlap.

It is made of reinforced concrete, which has better qualities than wood, and practically does not wear out. Therefore, today one can meet old buildings where the brickwork has already become unusable, and a monolithic slab has almost not worn out and can even be used for other purposes.

On typical construction sites, reinforced concrete structures are used for this purpose. They are reliable, high-quality and convenient to install. However, there are projects where a standard slab can not be used because of its size, or there is no free access to a building object for such a technique that would allow it to be installed. In such cases it is necessary to make a monolithic overlap manually. This process is often called "concreting", since it is necessary to work with liquid concrete.

Before starting such work, it is necessary to prepare. In the brick or masonry at the level of the organization of the overlap beams are embedded. They can be metal (in the form of channels) or wooden. They are installed at the same distance from each other. And it is calculated in each case separately, but never exceeds one meter. These beams will be the basis on which a monolithic overlap is performed.

The next process is called "reinforcement". It involves the installation of reinforcement between the beams. It is necessary to tie a piece of metal to the walls of the house and, if possible, to the beams. It is recommended to use a strong wire for connecting the reinforcement between them, as welding with shrinkage of concrete can deform and even break.

As a result, you should get a metal grid along with the beams, which occupies the space where there will be a monolithic overlap. At the same time, all elements of such a grid are tightly tied to each other and to the walls of the house.

After reinforcement, it is necessary to assemble a wooden frame, which from below will repeat the shape of the ceiling. Such formwork for monolithic overlapping should be very reliable. Therefore, wooden shields are often used , which are supported by supports from below.

Next is the process of pouring concrete. For larger volumes, it is better to order a ready-made mortar, since it is necessary to perform this work in one run. In this case, it is necessary to perform a thorough ramming to avoid the appearance of voids in the finished product.

After completing all the processes, the finished overlap is recommended to cover with a film to avoid moisture ingress and protect from environmental influences. In this state, it should be until it is completely solidified. For greater confidence, builders spend a few days on this, after which they remove the film and disassemble the formwork. The monolithic floor is ready.