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Asphalt built up, and Ballasted Asphalt built up. Depending on weather conditions, the average life span of asphalt built up roofs is approximately 10-20 years.
Maintenance of an Asphalt Built Up Roof
A built up roof requires annual inspections, as it is very common to find several leaks that have developed over the year. Additionally, penetrations on an asphalt built up roof such as vents, pipes, and ductwork, require repairing and inspection once annually, as they may gradually open and require periodic re-sealing. Seams and flashings may also need some repair work, and delaminations and blisters may also needs to but cut off and fixed before they develop into leaks. For all asphalt built up related services, Roof 101 has an expert on hand for all kinds of applications.
Problems with Asphalt Built Up Roofs
Although they can be prevented if detected early, there are many frequently occurring problems during the life of an asphalt built up roof. The most common is leaks, because asphalt built up is so sensitive to penetrations. Alligatoring and blistering are also regular, as pockets of air and moisture may lie between layers of the asphalt built up.
by Roof101
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