Additives for concrete

Except cement and sand, the third, but not less important component of concrete is certainly water. Thanks to chemical processes, water helps to pass solidification. These processes are impossible without water. During time of solidification, it is necessary to hold concrete surfaces always in a damp condition. If these conditions are absent concrete will simply fuse, and will have only a part of necessary durability. Pure water is necessary for qualitative hardening of concrete. If the water is potable than you can manage without additional researches. In those places where there is no water pipe, it will be necessary to conduct additional researches in laboratories. It’s necessary for the definition whether the given water has substances which are harmful to concrete. It happens that such that potable water can not match for concrete hardening. The reason may be the impurity of salts and additional chemical components dissolved in water.

The water, which structure and composition are unknown can pose the concrete to serious danger. Sulfates which are dissolved in water destroy and corrode concrete. So, sulfurous water is especially dangerous to concrete preparation.

In individual building there are additives which accelerate processes solidification and raise frost resistance. Also they accelerate water resistance and solidity. An active component is chloride calcium, known as the accelerator of solidification. It also serves as anti-frost additive. But most people can’t imagine what problems arise in case of abusing the given additives.

Frost resistance additives will operate on concrete at the same way as salt on roads and highways performs on cars. This additives cause corrosion processes. Because of that salts of calcium in the form of a solution with water arrive in a body of iron-concrete constructions. They interact with an armature surface causing electrochemical corrosion. Negative properties of anti-frost additives are already known to experts for a long time. To these additives also combined with certain quantities of chemical substances which interfere with corrosion. These substances are named inhibitors.

If you apply additives in large quantities they do huge harm to the not reinforced concrete. For instance, there will be a superficial filtration, stains on the surface. Given defects are eliminated very hardly. In most cases it is impossible to stop such processes, and it is necessary to completely replace imperfect parts of construction.

Fiber-cement panels

Fiber-cement panel consists of cement, reinforcing fibers and mineral fillers. Concrete reinforced with asbestos is known since the last century.

As the reinforcing fibers other than asbestos, the synthetic or glass fibers are used. Asbestos was excluded from the cement-fiber board, after the ban on asbestos products in Western Europe. However, in some countries, asbestos is used for a long time. Moreover, scientists do not see any reason for rejecting it. For instance, in Russia fiber-cement panels containing asbestos are manufactures. But in most countries similar panels are manufactured using synthetic fibers.

Composition of the panels provides a number of desired properties: environmental cleanliness, incombustibility, resistance to frost, rot and corrosion. In addition, they have excellent insulating properties and highly resistant to mechanical stress. Plates are very functional. They can be polished to have a colored coating or be prepared for painting on site. Plates coated with natural stone powder are gaining popularity. The powder is applied to the plate with the resin. In addition, there are slabs with a polyurethane coating that protects against UV rays.

Panels with different coatings can be applied separately from each other or together. Generally, they require no additional coatings, after all. So, the material perfectly resists weathering. However, natural color panels are black. Therefore, use different colors to enhance the capacity of decoration.

Plate can be painted before installation or after it. Plate can be painted at the factory. In another case, painting is carried out after installation, but no later than two months after mounting.

Scope of these boards is very wide. They are used both in the construction of new facilities and renovation of old buildings. Plates are used for the walls, balconies. Vendors offer a variety of accessories for such plates.

Alucobond. Trusted by professionals.

Alucobond - finishing materials of European quality. Alucobond is a modern composite material. It is deservedly respected by masters of construction business. What are main features of alucobond? Firstly, alucobond and its analogs are best suited for aggressive media metropolis with its automobile exhaust and smoking chimneys. Alucobond also easily withstands the various vagaries of weather - sudden changes in temperature, pressure and humidity. In addition, alucobond serves as protection of the building from overheating. Significantly, that for such a veneer is almost no need to take care of. It serves very long term, and besides, easily and securely mounted in any season.

Finally, alucobond is a wide variety of colors and textures and just looks great, which is also important, because the trimming of the building defines the appearance of the building, its "face."

In addition to the exterior decoration and sheltering of various structures (systems of ventilated facades hinged) composite materials made of aluminum are used for interior decoration of the inner parts of buildings, where always a lot of people, and therefore subject to increased wear. Alucobond is manufactured for various advertising structures.