Annual roof maintenance involves inspecting and repairing penetrations like vents, pipes or ductwork. These penetrations can open up and may need to be re-sealed periodically. Additionally, repairs seams and flashings should be made. Blisters or delaminations should be cut off and repaired immediately since they will leak over time.
Infrared thermography is usually performed on flat roofs to determine the presence of moisture before any repairs are made. The pictures are taken shortly after sunset. When the roof is cooling, wet spots under the roof, continue to emit heat.
Flat roof repair and restoration usually involves pressure washing and the application of a roof coating. Roof coatings have become a very popular option for repairing flat roofs. Elastomeric coatings drastically reduce the heat build up on black flat roofs and extend the service life by 10 or more years.
A flat roof is the generic term for roofing materials installed on low-slope surfaces. Traditionally, tar and gravel roofs are usually installed. They are slowly being replaced by modern flat roofs such as modified bitumens and single ply membranes.
The life expectancy of a flat roof is highly dependent to the roof maintenance done on it. 10 years is an average life cycle. Maintenance includes solving ponding water issues as quickly as possible.
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