Assessing your existing installation will inform you as a property owner if you need to replace your roofing or not. Through a roofing assessment, you need to look at the external material along with the internal structure, which will provide you with a report with information about your existing installation and what is required. However, assessing the roofing on your property can be difficult. Especially if you own a large-scale property such as an apartment block. In this case, you can work with a Roofing Contractor such as TDH Contracting who can assess your roofing on your behalf.