Premium metals such as stainless steel titanium zinc and copper can last well over 100 years.
Will a roof over last as long.
While many types of roofs last longer than 15 years some can hold up well for 50.
Most homes have asphalt or composite shingle roofing which normally last about 20 years.
Cedar shake can also go for about three decades.
Materials and workmanship as well as the weather elements in your location determine the lifespan of a roof.
But unless the sheathing is extensively damaged or the structure can t support the weight of another layer of roofing a better solution is to apply a new layer of shingles right over the old one.
Fiber cement can go up to 25 years and the thicker asphalt can give you about 30 years.
When installed correctly a typical standing seam metal roof will last anywhere from 30 to 50 years.
Won t last as long generally speaking the shingles that are laid over the old roof won t last as long as their natural lifetime due to extra heat trapped by the added layers.
Done correctly a reroof job will look as good and last as long as a new roof for a lot less money and a lot less hassle.
If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.