Roof Apshalt Age

This is an inexpensive flat roofing option but typically only lasts about 10 years.

Roof apshalt age. Obviously the best way to know your roof s age is by keeping records from the last time the roof was replaced. Asphalt coverings use layers of felt combined with molten asphalt and topped with a coating of gravel. If the roof was installed over another layer or several layers and it is older than 20. 30 to 45 years.

10 to 16 years. Asphalt shingles architectural. 10 to 16 years. Three tab asphalt shingles are a linear traditional style that is rapidly declining in popularity and gradually disappearing altogether.

24 to 30 years. 35 to 50 years. One thing i have had a very difficult time with while trying to constantly become a better inspector is estimating the age of the roof shingles and it seems to be one of the most common questions i get. How old is your existing asphalt shingle roof.

It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated. I am a home inspector for about two years now in the saint louis area. Most experts agree that a typical roof will last between 20 and 25 years. Roofs last a long time with the typical asphalt shingle roof lasting between 15 to 25 years depending on the type of installation.

I can obviously tell when shingles are at or near the end of their useful life and i can also tell when they are less. Asphalt roofing shingles are available in two primary forms. Built up or modified bitumen.