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Since historic instances folks have widely used bentonite clay for waterproofing their houses. It was normally utilized to the foundations of castles, fortresses, palaces and different historical buildings. Over time researches and development of bentonite clays have put them to the highest level. Nowadays bentonite waterproofing is a assure of functional durability of your house. Moreover, bentonite waterproofing is the real economic system – not only of your labor, but additionally your time and your money. It's easy to install and very effective. The process does not require any additional skills, so you possibly can simply perform it with your own hands.  
  
What's bentonite waterproofing?  
Bentonite pellets are on the core of this insulating material. It's natural material which is capable of polymerization. Sodium bentonite, with its special structural options, has a tendency to swell increasing in quantity 14-sixteen times. Bentonite turns into gel-like substance that fills the cracks and pores of the fabric of construction. After it gets a strong plastic materials forms, the water resistant insulation layer appears.  
  
  
To perform bentonite waterproofing in modern building process a number of species of waterproof materials is usually used. They are divided into four major classes according to the strategy of performing:  
  
surface waterproofing which is made normally made of asphalt and cement-based materials;  
bentonite waterproofing membrane materials which are introduced by roll-type supplies;  
polymeric membrane supplies which are roll-mounted,  
bentonite mats(or panels).  
  
The main advantages of bentonite waterproofing:  
  
its high impervious properties;  
the possibility to use these supplies in difficult conditions of waterproofing (they're able to withstand hydrostatic pressure up to seven levels of atm);  
because of its significant improve during hydration in a confined space it has the so-called "self-healing" quality;  
the durability of waterproofing supplies which is because of its constant properties over the time;  
it is very simple to perform without requiring any additional skills (compared with traditional technology the effort in this case is only 20%).  
It is essential to reiterate that using bentonite waterproofing fills even the pores, cracks and voids which can be invisible to your eye, achieving an absolute indicator of water resistance – it indeed can give your house something that could be very near the term "everlasting life"  
  
Nowadays among the many most advanced modern supplies are bentonite mats. Today they're usually used in the development to perform the vertical and horizontal waterproofing of foundations of buildings. Moreover, they are used in the building of hydraulic structures and underground buildings of assorted types and purposes. Bentonite mats are a web-looking material which consists of two layers of both non-woven and woven geotextile fabric connected in a needle-punched manner. Between them there's the most important part of the waterproofing which is called the natural sodium bentonite (the injection way). It's layered as a number of reasonably thin sheets.  
  
When using bentonite mats specialists determine the next benefits:  
  
the waterproofing work may be performed throughout any season of the yr;  
simplicity of the system;  
through the work it can repair itself eliminating minor mechanical damage arising during installation and backfilling of the pit, as well as a wide range of cracks within the construction to be isolated;  
ability to withstand the unlimited number of freeze/thaw cycles and dehydration/hydration cycles;  
effort saving;  
time saving;  
low water permeability;  
nearly one hundred% ecological purity;  
durability and permanence of properties over the time;  
the ability of "self-healing";  
resistance to various chemical contaminants;  
it can be used in complex hydrogeological conditions;  
it can withstand hydrostatic pressure of up to seven levels of atm;  
resistance to aggressive environments;  
it has a high adaptability, ease of installation in all climate conditions.  
  
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