Respuesta :
Adding insulation above the minimum requirement to a flat roof has implication on the overall building as It has a positive impact on thermal conditions of a building.
Thermal insulation is placed directly on the structure of the ceiling in the case of a vented roof. The primary component taken into account is the heat conductivity coefficient because this solution does not need a high compression strength and there is no effect from outside influences. Use the Styrofoam and mineral/wood wool boards that are used in such situations.
Additionally, since spray foam insulation properly fills every gap, it would be quite helpful. It offers better insulating properties than the materials indicated above, keep that in mind. A thermal insulation substance, such as cellulose, mineral-wool-based granulate, or Styrofoam, can be blown into a narrow ventilation gap. Blowing thermal insulation enables access to all nooks and crannies where traditional insulation laying is not practicable. Alternately, insulation can be installed prior to roofing installation.
A ventilated roof separates the thermal insulation surface from the roofing surface. By moving air between these surfaces, pressure is balanced, free water vapour is transmitted, and the layers covering the ceiling structure heat up less. Regarding thermal characteristics and wetness, this solution is advantageous. The vented gap should be at least 5 cm high at its lowest point, ideally 10-15 cm high, or even higher.
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