How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
What is the average life expectancy of a corrugated asphalt panel roof?
Friday, December 10, 2021
You can expect a corrugated asphalt panel roof to last 9 to 13 years, with an average of 11. Corrugated asphalt is sold as a DIY project, and more often used in our area for sheds and pole barns than houses. When installed on homes, the material is typically for a roof-over of an older asphalt shingle roof. Applying a protective coating to the roof surface is one way to extend its life. The common defects we see are installation ones: loose fasteners and bad homeowner flashing around openings.
Here are average life expectancies of other types of roof coverings. Go to What's the average lifespan of a roof? for more details on each roof type.
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To learn more about roofs and attics, see these other blog posts:
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