Part 1: Architect’s Guide 1 - 25 Thermal performance (insulation is integrated in the floor) Speed of erection No temporary propping during construction Flexibility. The transfer of the loading is ensured by the profiled steel sheeting. Its length can vary between 2,00 and 6,00 m and its depth is about 20 cm. Services (cables, ducts) can be placed in the depth of the profiled steel sheeting. An electric heating film can be incorporated in the floor. 1 2 3 4 5 6 1 Two layers of plasterboard 2 Wood board 3 Resilient material 4 Profiled steel sheeting 5 Layers of mineral wool 6 1 or 2 layers of plasterboard Figure 4.17 Main components of a dry floor Figure 4.18 Photo of a dry floor The fire resistance of a dry floor depends on the fire performance of the false ceiling and the upper components made of plasterboard. Performance can be adapted to national regulation or other specific requirements. 4.3.7 Acoustic and thermal requirements for floors In order to fulfil requirements relating to acoustic and thermal insulation, other materials can be connected to the slab. Such materials also provide an appropriate facing. Such elements are: Plasterboard connected under the composite floor, the number layers of which depends on the required acoustic performance
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