Rothoblaas - X-RAD Page 70
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X-ONE X-PLATE X-SEAL THERMOHYGROMETRIC PERFORMANCE The thermal analysis of the X-RAD system is carried out in order to quantify and verify the thermal bridge associable with the single-point element so that it can be used in the calculation of the building’s thermal performance. The most unfavourable conditions on which to concentrate the study and the verification are the attachment to the ground of the BASE G element near to the corner (A) and the node of the wall and roof slab attachment, TOP G (B). The study is carried out using a FEM - 3D model and the calculation software Psi-Therm 3D. An overview of the study with some of the results is provided below. To obtain the report of the complete study and further information contact the Rothoblaas Technical Office. B A The stratigraphy of reference considered represents a possible standard situation which we can find in current building practice. The 3D simulation of the thermal bridge is done with X-RAD in the configuration without X-SEAL and with X-SEAL. In the image (fig. 1) we can observe the construction package and the materials considered. The choice of specific materials makes it possible to contextualise the checks and does not exclude the use of different products. Reference can be made to the complete test report to assess the different executive choices. 1 7 2 U1 3 6 6 4 5 6 8 U2 9 fig. 1 1. 10 cm CLT 2. 5 cm wood-fibre insulation 3. Plasterboard 4. Wood floor 5. Concrete screed 6. XPS extruded polystyrene 12 cm 7. 12 cm wood-fibre insulation 8. Concrete 9. Ground The thermal simulations are conducted varying the thicknesses of the insulation (12 cm, 16 cm and 24 cm), trying to identify possible values that would also roughly identify possible energy classes and the related performance. The simulations are carried out in 3 different climatic contexts that reflect the most frequent weather conditions in the northern and southern temperate zones, referring to a minimum average temperature of the coldest month (Te). 68 X-SEAL
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