Phenolic insulation boards, along with other types of insulation materials, are commonly used in external wall insulation systems. These systems must be designed according to specific requirements to ensure optimal thermal performance and the proper function of the insulating material. Proper installation is crucial to maintain energy efficiency and prevent heat loss.
To protect the base layer and adhesive from freezing damage, the inner surface temperature of the insulation layer should remain above 0°C. The external insulation system should fully cover exterior door frames and window openings, and it's important to seal thermal bridges, such as those found in balconies and parapets. When comparing the thermal performance of insulated walls to non-insulated ones, the average heat transfer coefficient can increase by up to 70%, leading to higher energy losses for heating and cooling systems like air conditioners. Therefore, special attention must be given to the thermal bridge effects caused by fixing elements and support structures in EPS-based external insulation systems.
The design of the sealing and waterproofing structure in external insulation systems is critical to prevent moisture from entering the insulation or base layers. Horizontal or sloped protruding parts, as well as areas extending below ground level, should be properly waterproofed. Any equipment installed on the external insulation system or pipes passing through the wall must be securely fastened to the base and sealed effectively to avoid water infiltration. Ensuring airtightness and weather resistance is essential for the long-term performance and durability of the insulation system.
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