How Old Should A Roof Be

For instance a typical asphalt shingle roof lasts 20 to 25 years while a roof installed.

How old should a roof be.

Visible signs of aging on a 3 tab asphalt shingle roof. The roof just looks old and worn. The average asphalt shingle roof lasts about 12 to 15 years. Not surprisingly cheaper roofing materials won t.

Most experts agree that a typical roof will last between 20 and 25 years. And weatherization plays a large part in determining how often roofs need to be replaced. Asphalt shingle composition roofs last approximately 20 years or even longer depending on the type and if they are well maintained and properly installed. While many types of roofs last longer than 15 years some can hold up well for 50 years or longer barring a serious storm or a large fallen tree.

If the roof was installed over another layer or several layers and it is older than 20 years chances are you need a new roof. While many shingles today are produced for durability many factors can accelerate the aging of shingles. If your roof is nearing its typical replacement age you should probably start thinking about your next roof. Knowing when a roof was installed and what it s made of offers insight into how much life it has left.

For example if your roof is not properly ventilated it can negatively impact your shingles. Metal or tile roofs tend to have a longer lifespan. An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors. Slate and tile roofs can last more than 50 years.

Asphalt shingles composite shingles metal roofs and other materials all have different life spans. Depending on the materials a roof could last longer than the average around 25 30 years. Your roof is at least 20 years old.