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Rua dos Caldeireiros Building

Porto

The timber beams of the floors showed signs of attack by the larval cycle of xylophagous insects (weevils) with depths of less than 1.0 cm, which did not call into question their correct functioning. 

The work carried out by NCREP focused on two adjacent buildings located in Rua dos Caldeireiros. They have some architectural and structural characteristics that are usually associated with the buildings of the city of Porto dating from the seventeenth century, although they present some particularities associated with the eighteenth century, possibly resulting from later alterations. In fact, the very location of the buildings is indicative of their antique character, since they are located on one of the oldest blocks in the city of Porto.

The procedures performed during the Inspection and Diagnosis found that the timber beams of the floors were in a reasonable state of conservation, and it is possible to predict their maintenance through occasional strengthening actions. On the other hand, the roofs of the two buildings exhibit crude construction systems that do not contribute to the overall stability of the buildings. In addition, they displayed an advanced state of degradation due to the ingress of water into the buildings, and it was for this reason that it was proposed they be replaced.

After the Inspection and Diagnosis Report, the Stability Project was recommended in order to rehabilitate both buildings and make them habitable, while preserving and valuing their original architectural qualities. Regarding the intervention on the roofs, solutions were proposed that used traditional materials and preserved the existing construction typology, while at the same time ensuring adequate behaviour in conformity with the applicable regulatory solutions and compliance with architectural requirements. Solid pine wood was used in the structural elements to achieve this.