Water absorption, capillarity action, and materials composition of different bricks and panels as part of the external coating of buildings. Case study: Tirana, Albania.

The article aims to provide insight into the water absorption, capillarity action, and material composition of various bricks and panels used as external coatings for buildings. The materials analyzed include silicate brick, red clay brick, normal clay hollow brick, concrete block, and EPS fibre cement composite wall panel. These types of bricks and panels are widely used in buildings in Albania, making their water absorption characteristics and hygroscopic moisture levels important factors to consider for future applications. The study is based on an experiment involving five material samples. Initially, the samples are dried and then partially submerged in water for 12, 24, and 36 hours. Afterward, they are removed from the water and dried indoors for 12, 24, and 36 hours. The moisture content is measured at three intervals for each sample category. The experiment also analyzes the capillarity action of water within the materials to evaluate their overall performance. Based on the results, red clay brick and normal clay hollow brick were identified as the most vulnerable materials due to their composition, high capillarity action, and significant water absorption. These findings are crucial for determining the suitability of these materials in construction practices.