Concrete formwork : types, significance , application

Advantages of permanent shuttering

use of formwork during the construction of the walls and the foundation has a lot of advantages.Firstly, it facilitates the design of the building due to the fact that the wall thickness decreases.Second, speed up the construction process and laying the foundation.And also allows you to save significant amounts of money.Thirdly, it provides excellent thermal and sound insulation.Even the most severe cold are not afraid.

Fourth, the use of materials for formwork (eg, polystyrene) is possible in a variety of climatic conditions.Restrictions in this regard is not.Fifth, it is used in various construction projects.May be erected as typical houses, and intricate designs.Sixth, the formwork can be decorative, thereby ensuring the proper formative design and at the same time transforming the facade of the building.

Types of permanent formwork

As already mentioned, the concrete permanent formwork can be made of different materials:

• Armopanel - looks like slabs of expanded polystyrene or any other insulating material (
  Paroc, Rockwool ),which with 2 sides covered with wire mesh.During the installation of these panels concrete poured into them under pressure.It turns out a kind of "sandwich".This method is considered to be low-budget and, moreover, provides a good performance.
• Foamed polystyrene with voids - takes the form of plates which are interconnected webs.All constructed structures reminiscent Lego , where blocks are obtained by combining the appropriate forms.However, polystyrene, permanent formwork from which certainly gets off the outside and inside, in need of protection (for this and carried it facing).
• Arbolit or derevobetonnye blocks or panels that consist of cement and wood chips.Decking assembled using nails and ties.In addition, it is inserted into the insert polystyrene (for better insulation).Then, in the manufacture of construction put rebar and poured concrete mixture.The surface is finished with exterior siding, stucco facade, clinker or any stone.For interior decoration can be used as a mixture of plaster and drywall.
• Decorative permanent formwork - is a structure that has already finished trim on the outside.It is going to help block masonry seamless method.This necessarily put inside a heat-insulating material (mineral wool or polystyrene).After concrete is poured into the formwork structure.

few words about EPS formwork

stop and tell you about this formwork a little more, because it is it is often used in various fields of construction.Ownership is so popular because it is easy and simple to install and absolutely does not require any equipment or skilled workers.Wall units are connected to each other and filled with concrete.

The special technological openings can be laid all sorts of wires or communications (air-conditioning, electric).Thus, when designing a given concrete formwork is obtained a monolithic wall.

It does not need more heat or sound insulation as polystyrene itself perfectly fulfills these functions.Moreover, the surface does not pass and water vapor are not completely absorb moisture.Therefore, the adverse weather events it is not terrible.Plus, he is not afraid of polystyrene foam cracking and thermal expansion (suitable for any seismically active zone).