Other factors that can influence how long an asphalt roof lasts include the roofing underlayment ventilation and quality of installation.
How long does an asphalt roof last.
Tremendously common in american neighborhoods asphalt shingles use bitumen more commonly known as asphalt to protect and waterproof roofs.
The pitch or slope of the roof also affects how long asphalt shingles last.
A general rule of thumb says that most roofs last on average about 30 years.
For instance a typical asphalt shingle roof lasts 20 to 25 years while a roof installed over an existing layer of shingles should be replaced after 20 years.
7 signs you need a new roof asphalt shingles last 15 to 30 years.
Asphalt roofs are affected by temperature wind erosion and annual upkeep.
How long do metal roofs last in florida.
But that doesn t apply to all roofs.
Cleaning and maintenance can also play a role.
Where i live in south dakota the average asphalt shingle roof will last an average of 7 10 years because of quick temperature changes and hail.
For four out of five homes in the united states asphalt is the choice for roofs.
Galvanized steel panels are the most popular metal roofing material and they generally have a minimum life of 20 years depending on location.
How long do asphalt shingles last.
So read on to learn how long different types of shingles are likely to last so you can judge the lifespan of your roof.
For example the national association of home builders say that slate and tile roofs commonly last more than 50 years while asphalt roofs have a lower life expectancy of about 20 years.
3 tab shingles are arguably the most popular material when it comes to sloped asphalt roof installation.
Depending on type of metal panel will greatly determine the lifespan of your roof.
The best way to answer this question is by examining the three popular kinds of fiberglass asphalt shingles.
The suburban skyline roof.
So how long does the typical asphalt shingle roof last.
How long do premium asphalt roofs last.
Metal roofing panels generally last as long or longer than asphalt shingles.
The more premium designed asphalt shingles can last up to 50 years.
A roof with constant debris from trees will not last as long as an asphalt roof with zero obstructions.
When roofs have a low slope water snow leaves and other debris are left sitting on the shingles longer.
This means excessive moisture can remain on the roof which can lead to mold mildew and rot.