How Often Does A Flat Roof Need To Be Replaced. The seemingly simple question of how often a roof should be replaced has a complex answer. Pooling is defined as a condition in which water remains on a flat roof for 48 hours or more.
It is dangerous and difficult work requiring experience and training to do properly. According to the national roofing contractors association, a roof should be inspected twice a year: How many layers does a flat roof have?
Even with the best maintenance, there will be a time when you need to replace your roof.
Asphalt shingles typically last between 15 and 30 years, while wood shingles tend to. This maintenance typically comes in the form of coating the flat roof. So how long does a commercial roof last on average? Hiring aastro for your commercial roof repair is necessary to know exactly how to solve your.