Avaliação térmica de protótipos de madeira com revestimento interno de embalagens TetraPak

Abstract

This study investigates the application of long-life packaging (Tetra Pak) as a termal insulator, a method that is still little explored in civil construction. The research was motivated by the extension project "Module I: Use of Tetra Pak Packaging as a Thermal Insulator for Wooden Affordable Housing" at the Federal University of Pampa (UNIPAMPA), which demonstrated significant improvements in the termal comfort of the benefited homes. Three wooden prototypes were built: one without a coating, another with a Tetra Pak coating with the aluminized part facing inwards, and a third with the aluminized part facing the walls. PT100 sensors and an Arduino system were used to collect temperature data throughout the day.The aim was to evaluate the thermal variation of the prototypes with and without coating and to compare the effectiveness of the different panel faces. The results indicate that, despite inaccuracies in the conversion of temperature data, the prototype with the aluminized side facing the walls showed better thermal performance, maintaining milder temperatures on hot days and warmer temperatures on cold days. This coating proved to be effective in reflecting external thermal radiation and retaining internal heat, making it a recommended solution for improving thermal comfort in wooden dwellings.