The problem with hail damage to one’s roof is that it is not always visible. But it can affect the general structure of your roof, causing the roof deck to rot and develop mold or fungus. Thus, if you have any suspicion about hail damages to your flat roof, you should have a thorough, professional inspection as soon as possible.
Depending on the exact type of materials that have been used for your flat roof, and not only, there are certain signs you should follow. Thus, you may find loose granules in the gutters or downspouts, which most certainly indicate that hail has certainly damaged your roof.
The thing about flat roofs is that they usually are watertight, which can prevent many problems, especially during weather events. In the case of metal roofs, denting is a common thing which may occur. EPDM flat roof repair Denver contractors say that EPDM roofs can resist hard impact, such as that of 2 ½ inches. But larger hail may cause cracks on the roof membrane.
Modified bitumen and BUR typically are hail resistant. This depends, of course, on the type of installation used.
At any rate, only a professional team can tell exactly what to do in case your flat roof got damaged because of a hail storm.