The answer to 'my flat roof is failing' is that there are several common causes, including poor installation, age and wear, water damage, and improper maintenance. Symptoms can include leaks, pooling water, cracks or blisters in the roofing material, and sagging or uneven surfaces. Solutions may involve repairing or replacing the roof, fixing underlying issues, and implementing proper maintenance routines.
For flat roofs, it's generally best to have a professional roofing contractor inspect and diagnose the problem, as improper repairs can lead to further damage. Homeowners can perform some basic maintenance tasks like clearing debris and inspecting for minor issues, but larger problems should be addressed by an experienced roofer.