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Built in the remote Pusteria Valley, close to the border of Austria, an obviously simple shaped building is situated alongside the main road. Altough the design prioritizes simplicity and the rediction of detail, the building is in fact an experiment within itself. Realized in light-weight concrete, with a product named LiaPor, the outer shell challenges constructive and static parameters, but deals also with insulation requirements. While one side is facing the village and contains the spaces for all the fire engines and trucks, the upper and only single-storey elevated front follows the heavily frequented traffic road. The latter carries the main public function of the building and is therefore conducted as a spacious hall, fully panelled in hand-planed pine wood. An external stair case is connecting both floors to each other and gives access to the control room and vehicle hangar below.

The red colour emphasises the originality of the new fire station. All surfaces have been realized with pigmented concrete to remark the building’s monolithic character. Dimensions of the construction remain thereby recognizable from the outside, in fact it even amplifies the structures massive appearance. The project’s main feature is surely the level of pre-fabrication of its outer shell, which minimized necessary finishing works of the construction and the buildings fitout. Irregularities or divergences in the concrete only adds charm to the material and the character of the building. Alongside to the mentioned technical functions, the pigmented lightweight construction was accomplished as exposed concrete with high density and is therefore water and frost proof. As to the buildings economic efficiency, particular attention was paid to the attainment of a robust and simple construction, the usage of only a few materials and to reduction of work stages to a minimum. Furthermore the sensible choice of materials ensures a high durability and reduced maintenance costs.

The requirements for the concrete were: strength class LC16 / 18, dry bulk density ρ ≤ 1250 kg / m³, design thermal conductivity R ≤ 0.4 W / mK. The fire-resistant building materials are classified in the most demanding fire class A1 according to DIN 4102. With regard to the required energy efficiency of buildings, a 60 cm thick reinforced lightweight concrete had to be adopted for the building envelope. The spans of the girders are up to 27.0 m long. The high heat capacity of the heat storage capacity of the insulating concrete renders the entire monolithic building as a “heat accumulator”, thus reducing energy costs to a minimum. The choice of material ensures a long service life and low maintenance costs.

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