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Insulation forms a barrier that prevents the flow of heat, and it is considered an important matter. to maintain the temperature of the house summer and winter; It makes the house cool in the summer, and warm in the harsh winter, just as insulation reduces energy consumption and reduces the emission of toxic gases that cause global warming.

The principle of roof insulation includes three factors: radiation, conduction, and convection. Conduction is a passage through which heat is transmitted through materials, while convection is the circulation of heat through liquids and gases. Therefore, the warm air rises to the top, and the cold air remains at the bottom so that it fills the house. As for the radiation, it works to transfer heat in a straight line to help warm anything solid that passes through it, and the principle of the work of the famous insulating materials lies in reducing the emission of heat; As insulation and heat-reflecting surfaces reduce the acquisition of heat radiation; Where the heating system is replaced by cooling in the summer, while in the winter the opposite is true.

How to insulate surfaces
Roof insulation is one of the important and necessary things for buildings. This is due to the increase in the phenomenon of ceiling fires caused by lighting penetrating the ceiling

 As for how to insulate homes, there are many options and types that are determined based on the extent of the need to install insulation and the areas that are to be isolated in the house, and homeowners may be able to install some of these types themselves. Such as: blankets, insulators that pour easily (liquid foam), and there are other types that need technicians, professionals, and specialists in the installation of insulating materials, and complete insulation is considered one of the most widespread types of insulation; It consists of fibers characterized by their flexibility, glass rolls, natural fibers, and plastic, where these insulating materials are found in the form of hoses.

The insulation process takes place by placing tiles on top of the ceiling, and wooden spacers can be added under the tiles. As for ceilings made of metal, they need a barrier directly below them, as this barrier represents a layer that forms a barrier to radiant heat, then the metal roof is re-installed over this barrier without Negative consequences. As for floors, they can be isolated by placing insulation panels before finishing the floors, and with regard to concrete panels, they are isolated with the cooling and heating system (located in the ground and around the vertical edge of its perimeter, where the insulation R value is not less than 1.0).

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