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stone walls with raised floor beams

The mezzanine floor is normally made for basements or basements used as technical rooms, garages, workshops or other activities that require a dry environment.

This ensures a good ventilation system that facilitates the dispersion of moisture and presence of radon gas in soil.

The basement has the protection of the soil as from a meter of water maintains a fairly constant temperature (3-8 ° C) throughout the year.

The local underground, in fact, remain fresh summer and relatively temperate winter and form a thermal buffer between the land and the building above.

The wooden beams are placed directly on the foundations or be separated from them by means of solid brick walls that create additional space.

You can allow air circulation practicing holes in the wall communicating with the outside perimeter.

The external vents shall be fitted with grilles closed to prevent infiltration of ground or input of other objects or small animals that may be blocked from the outside.

If proper ventilation, the attic floor allows good breathability and thus a good control of humidity in the structure and within the premises.

Through detachment from foundations and from the ground, the insulation is uniform, and airing helps protect your home from possible presence of radon gas.

The creation of the interspace lengthens the lifespan of the materials that make up the floor and is indispensable for the preservation of floors made of wood.

This floor is light and is capable of supporting weight. The current rules for buildings in earthquake zones does not allow the construction of the attic floor in areas at risk because in case of earthquake, the beams can create an effect of pounding against the wall with serious consequences on the entire structure. The wooden floor

be adopted for a small basement located in dry areas and in any event shall be provided with adequate protection from moisture to prevent damage to the structure.

The implementing rules of the attic floor are:

• AC curbs are made at intervals regular

• creating a hornet's nest in gravel draining non-calcareous equipped with ventilation holes;

• a waterproof membrane is laid on 'extrados reinforced concrete curb to prevent the capillary rise of moisture in the bricks;

• leaning wooden beams, seasoned and treated with a suitable primer on the shelves of the foundations or walls of brick positioned on the shelves and equipped with ventilation holes;

• the process of constructing the floor slab with wooden plank or brick TAVELLONE. If you choose the second solution, the distance of the supporting structure must be such as to accommodate the boards;

• spreads a sheet on the floor of the attic insulation;

• It creates a substrate with a mixture of lime mortar, concrete and cork granular

• completes the floor with the floor covering.

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foundation stone foundations

foundations in stone are the oldest system used to create the basis for the structure of a building, and is particularly suitable for elevations in wood or clay.

The stone distributes the loads of the structure constitutes a barrier to capillary rise of moisture from the soil.

It is preferable to use local stone, but some types of stones can emit radioactive gases (tuff, pozzolana) or radon (granite) and should be used to detect a sample of material before using it.

Foundations can be realized in two ways:

- with masonry stones placed directly in the excavation

- Men with a lot of stone mixed with mortar

The large amount of waste stone processing can be partially reused for tiles and grit, as we shall see in the chapters on coatings.

The stone is the natural link between the building and the land, distributing the loads on it, avoid injury to the external walls due to possible adjustments, contrasts effectively with the capillary and acts as a plinth for the pillars in wood.

The installation is to run from the excavation plan of excavation to accommodate the stone masonry, it fills the excavation until the excavation floor and walls of the building are based directly on it.

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foundations are responsible for distributing the weight of the building on the ground to prevent settlement that may cause injury to the structure above.

Usually these are made of concrete or more rarely on rocks.

The type of foundation (continuous or point) and their sizes depend on the structure and characteristics of the overlying soil, in each case shall be constructed at a depth that will not be reached by frost.

in green building is usually recommended to minimize the use of concrete as it keeps the moisture for a long time, has low permeability, high conductivity and is easily attacked by atmospheric agents, requires, therefore, complex works of acoustic insulation and the use of specific chemicals of high environmental impact. However, the concrete, practical and legal reasons, is the most recommended to create foundations. We therefore recommend the use of pure cement, ensuring the absence of radioactivity and does not contain additives from waste from other industrial processes or chemical synthesis. These requirements can be found more easily in the white cement which is then desirable.

The water that accumulates in the loose soil around the house exerts pressure against the walls and the floors, it tends to rise in the capillary walls and can damage the structure and environmental well-being inside.

To prevent the capillary rise is necessary to provide a perimeter drainage system that can collect and expel the accumulated water.

It is filled with a material very precisely (eg lime stone) the space between the perimeter wall and the soil in which perforated drainage pipes are laid with a slope of about 1.5%. The surface water percolates easily be channeled to the pipes and removed or stored in special tanks and used for the cultivation of garden and orchard.

Normally, the drainage tubes are made of PVC because economic, for the production of petrochemical-based material that is emitted in a large quantities of CO2 and is also a material difficult to recycle.

Alternatively you can use polyethylene pipes, brick or concrete.

brick or concrete pipes available on the market are short and less manageable.

Their installation is more complex and the drainage system shall be designed more carefully.

is good practice to enter into a steel tape perimeter foundations to act as a sink which can be connected to all the metal structures of plants and the electricity grid.

This reduces the intensity of the electric fields that form near the net and deflect stray currents.

In the next post, I will start talking about the stone foundations.

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