There are several types of insulation, the most famous of which is water insulation, which is used for insulation in different homes and buildings, pools of water, swimming pools, etc. There is also thermal insulation that is used in places with severe weather.

Water insulation of homes
Water insulation is a type of insulation that is used to protect buildings and installations from natural and industrial factors, and the names of the materials used for insulation have varied in this way, such as bitumen, tar, and asphalt, where bitumen and tar are extracted from the oils of pine and rice, and pitch is found in the form of Pools in places that contain petroleum materials, and there are many materials that are used in waterproofing, such as: all kinds of chips, fiberglass, protection coating, epoxy, and others.

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Types of waterproofing
There are two types of waterproofing:

1- Positive isolation
Positive insulation is the common and popular type of waterproofing, and is to try to prevent water droplets from entering the body to be isolated, so that they are transferred to another chosen bank.

2- Passive isolation
Negative insulation is waterproofing that is used from the opposite side to the side from which water comes to the body to be isolated, and this type is usually not used unless it is quite difficult to use positive waterproofing.

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The best materials used in the waterproofing process
Many buildings need waterproofing, especially those places where water is present for long periods, such as bathrooms, kitchens, roofs of buildings, water tanks, swimming pools, etc. The water insulation was in the past dependent on materials such as tar or asphalt, but recently many have appeared Among the new materials, which we will supply the most important:

1- Metal Sheets
The panels used in waterproofing are varied, and they are used to insulate surfaces, such as lead plates, copper plates, aluminum plates, iron plates, stainless panels, etc., as these panels act as a protection material for surfaces and walls, and they are characterized by great resistance to moisture, which is low cost As for other waterproofing materials, one of the worst drawbacks is that they are rustproof, and this dilemma can be solved by painting these panels with rust-proof materials.

2- Polyurethane
This material is used as a waterproofing for the upper surfaces of houses, and this is done by spraying the surface with this material well, especially at narrow corners and sides, and this type of waterproofing is the best of all, and 100% of the waterproofing is achieved by this material, and for more Of the quality it is recommended to apply a layer of acrylic paint over the polyurethane material, in order to provide more protection for the surface, especially from ultraviolet radiation and rain, for a period exceeding 20 years.

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3- Liquid bitumen
Liquid bitumen can be used to isolate various types of surfaces, whether flat or winding, as it is easy to handle and is in its liquid state because of its flexibility, and its ability to cover all angles and cracks, and the most important characteristics of this material is its resistance to moisture, as well as its strong resistance to insects such as ants and mites, as well Fungi.

4- Polyethylene
This material is used in waterproofing, which is a black tarpaulin of thickness not less than 0.46 mm, and is characterized by being lightweight and therefore does not constitute a weight on the surfaces, as it is flexible and therefore suitable for insulation of various types of surfaces.

5- Asphalt panels
Asphalt panels are used in waterproofing in three forms: unmodified solid asphalt, asphalt coils, and asphalt panels. These types of different shape and size are characterized by great moisture resistance, and they also have a huge ability to resist rain and heat, but the most prominent disadvantage is Its inability to withstand high tensile strength, and thus is prone to cracking, which leads to water permeation inside, but the asphalt materials are characterized as being the cheapest insulation material ever.

6- Asbestos-cement
This material consists of asbestos sheets and is used in waterproofing, and it is mixed with cement while it is wet, and it is a very strong insulation material against moisture, insects, fungi, bacteria and fires, and therefore its life span is longer than all the mentioned insulation materials, and is characterized by its rigidity and light weight at the same time, and it is suitable for For flat and oblique surfaces alike.

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7- Brick
Tile is a material made of clay or burnt clay, suitable for use in insulation especially for inclined surfaces, as it helps to slide water, is not affected by moisture, and is distinguished by its brown color, which can be changed to any other color using paint.

8- Wood panels
This method is widely used in cold countries, and it is used to isolate inclined surfaces, and is characterized by being low-cost and moisture-proof, but its major disadvantage is its inability to resist fires as it is rapidly combustible.