The article concerns the internal insulation of a utility room located in the attic of a building from the late 1990s. Due to the freezing of the external wall, an analysis of heat flow through this wall was conducted. Various insulation materials recommended for internal application were tested: EPS and resol board (100 mm thick) and an aerogel mat (10 mm thick). The analyses included the temperature distribution in the wall and indoor thermal conditions. Experimental studies determined the thermal conductivity coefficient (λ) of the selected insulation materials and the heat transfer coefficient for the analyzed wall. Numerical analyses were conducted with the TRISCO 12.0w software, which applies the finite element method (FEM), whereas the assessment of interlayer condensation risk was performed using the WUFI® Pro 5.1 program.
Pomada et al. (Tue,) studied this question.
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