Since historic instances individuals have widely used bentonite clay for waterproofing their houses. It was usually applied to the foundations of castles, fortresses, palaces and other historical buildings. Over time researches and development of bentonite clays have put them to the highest level. Nowadays bentonite waterproofing is a guarantee of functional durability of your house. Moreover, bentonite waterproofing is the real economy – not only of your labor, but also your time and your money. It is easy to install and very effective. The process doesn’t require any additional skills, so you can easily 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 particular structural features, has a tendency to swell rising in quantity 14-16 times. Bentonite turns into gel-like substance that fills the cracks and pores of the fabric of construction. After it gets a strong plastic material forms, the water-proof insulation layer appears.
To perform bentonite waterproofing in modern development process a number of species of waterproof materials is often used. They’re divided into 4 main classes according to the method of performing:
surface waterproofing which is made usually made of asphalt and cement-based mostly supplies;
bentonite waterproofing membrane supplies which are introduced by roll-type materials;
polymeric membrane supplies which are roll-mounted,
bentonite mats(or panels).
The main advantages of bentonite waterproofing:
its high impervious properties;
the possibility to make use of these materials in difficult conditions of waterproofing (they’re able to withstand hydrostatic pressure up to seven levels of atm);
because of its significant increase throughout hydration in a confined area it has the so-called “self-healing” quality;
the durability of waterproofing materials which is because of its constant properties over the time;
it could be very easy to perform without requiring any additional skills (compared with traditional technology the trouble in this case is only 20%).
It is essential to reiterate that the usage of bentonite waterproofing fills even the pores, cracks and voids which can be invisible to your eye, achieving an absolute indicator of water resistance – it certainly can give your house something that is very near the time period “everlasting life”
Nowadays among the many most advanced modern supplies are bentonite mats. At this time they are usually used within the building to perform the vertical and horizontal waterproofing of foundations of buildings. Moreover, they’re used in the building of hydraulic structures and underground buildings of various types and purposes. Bentonite mats are a web-looking materials which consists of two layers of each non-woven and woven geotextile cloth connected in a needle-punched manner. Between them there is a very powerful component of the waterproofing which is called the natural sodium bentonite (the injection way). It is layered as a number of fairly thin sheets.
When utilizing bentonite mats experts determine the following benefits:
the waterproofing work will be performed during any season of the 12 months;
simplicity of the machine;
in the course of the work it can repair itself eliminating minor mechanical damage arising during set up and backfilling of the pit, as well as a wide range of cracks in the structure to be remoted;
ability to withstand the unlimited number of freeze/thaw cycles and dehydration/hydration cycles;
low water permeability;
nearly 100% 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 advanced hydrogeological conditions;
it can withstand hydrostatic pressure of as much as seven levels of atm;
resistance to aggressive environments;
it has a high adaptability, ease of set up in all weather conditions.
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