Questão jurídica principal
Whether different construction defects causing the same consequential damage create joint liability of the responsible contractors.
Decisão extraída
Yes. Where separate defects by different contractors jointly cause the same consequential damage, the contractors are liable in unequal solidarity for the entire consequential loss.
Fundamentação extraída
The damage resulted from the combined effect of two defective work performances. Since both causes were equally relevant and neither predominated, the case fell under unequal solidarity under Art. 51 OR.