permeable to air. In order to obtain the desired room temperature, the building was simply heated with greater intensity. Proportion of energy loss In the meantime, a big shift in thinking has taken place. Today [...] optimised thermal insulation. Thus heat loss as a result of leaks in the building shell is of even greater consequence. In the case of well-insulated residential buildings, the proportion of energy loss due

façade seems more structured and less flat. The insulation layer behind this is therefore exposed to greater demands in the shape of dirt and damp. With Ampatop F black the thermal insulation in all ventilated

building component is described as sound reduction index R. R is a differential value, i.e. the greater the value, the better the sound insulation. This value applies to the building component, but not [...] multi-layer components. The heavier and more flexible the individual component layers are, and the greater the space between them, the better the sound insulation of the double-layer component will be. Coupling

of the roof and the construction required. A roof in a mountainous region is clearly subject to greater stress than a roof in a flat area. It is therefore sensible to ensure that the construction method

frequency (pitch). A frequency of less than 16 Hz is referred to as infrasound, while a frequency greater than 20,000 Hz is called ultrasound. Sound propagates through the air at a velocity of 340 m/s. This

property-specific and insures the utilised Ampack products for more than 20 years. This offers much greater protection at no additional cost: Ten-year full warranty, plus 10-year material warranty. Ampack