When installing hermetic doors, shutters or gates, it is important to choose the right seal https://stateyka.com/article/rezinovyj_uplotnitel_dlja_germetizacii_stykov/2025-03-19-11762. Only then will air not penetrate through the door, and people in the shelter will not suffer from the blast wave. In order for the seals to perform their functions to the maximum, it is important to select them taking into account the type of door and purpose. Rubber seals for sealing the shelter must be wear-resistant, because in an emergency, the door will be opened and closed many times. The material must also be elastic so that it does not quickly bend or crack.
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