Roof Repair Singapore, One of the most difficult roofing jobs that can be done is re-roofing, which requires a lot of skill and the proper technique. Re-roofing & new roofing works for tiles roof & metal roof, Making good decisions is the key to minimizing near- and long-term costs related to any home improvement. This is especially true for large, complex jobs like reroofing. In this particular case, some of the most important decisions should be made before you hire a contractor. This is why it’s so important to have a roofing expert do this work for you, and make sure that things are done correctly.