Think Trespa Magazine建材

THE BUILDINGS' INTERIOR (SOURCE: EFCORE) ORIGINAL NON RENOVATED BUILDING Interior wall surfaces are cold. Performance varies greatly, with signi cant energy loss from the interior to the exterior. BUILDING RENOVATED WITH TRESPA ® Interior wall surfaces' temperature are similar to the ambient temperature. variations internally. ese ndings indicate “a greater heat transfer from the exterior to the interior, and an important energy loss through the concrete façade,” reads the report. In turn, these losses and transfers resulted into higher energy costs to cool and heat the building, while providing greater discomfort to its users, who feel the temperature uctuations. e situation is quite di erent for the refurbished building. e temperature of Trespa® Meteon® surface tends to be higher during hotter months while it is very similar to the outside temperature during winter. No cold interiors were noted, and minimum energy losses from the interior to the exterior were reported. ese results are linked to the existence of a ventilated façade system, which includes insulation and an air cavity that provides a continuous air ow that aids the removal of heat and moisture. “ e Trespa® Meteon® panels and the air cavity protect the insulation that, in turn, protects the rest of the envelope, improving the overall thermal performance,” notes the independent study. Because the internal temperature is more even, the comfort is greater. In addition, less energy is needed to cool the building during summer or to heat it during the cold months. According to Efcore calculations, there is around a 22% of energy savings when compared to the energy consumption before renovation. For the refurbishment of the Department of Chemistry, Trespa® Meteon® panels with a thickness of 8 mm were used. e ventilated façade has an air cavity of 30 mm and between 20 and 30 mm of insulation, which was compliant with then valid Spanish construction codes that had introduced an insulation of 20-25 mm minimum thickness. “ e ventilated façade of the Department of Chemistry was already ahead of the local requirements, as the insulation was installed on the exterior walls. is already minimized the thermal bridges,” says Viola i González. “Obviously, had the insulation been between 80 and 100 mm, as its speci ed now, the energy savings and the reduction of CO 2 emissions would be higher.” ■ Barcelona, Spain About the Project FIXING SYSTEM TS150 VISIBLE (EXPOSED) FIXING WITH SCREWS ON A TIMBER SUB-FRAME MARKET SEGMENT EDUCATION YEAR 1992 TRESPA ® PRODUCT TRESPA ® METEON ® UNI COLOURS FINISH SATIN A25.5.1 “Because the internal temperature is more even, the comfort is greater.” 23 Thermographic study