How Often To Replace Shingle Roof

A basic 3 tab shingle is considered a 25 year roof.

How often to replace shingle roof.

Most experts agree that a typical roof will last between 20 and 25 years. To determine if your roof needs replacing start by inspecting the roof. Cracked asphalt roofing shingles your roof is at least 20 years old. Galvalume or metal roofing materials have an estimated lifespan of 30 to 45 years and concrete tile generally lasts between 30 and 50 years.

The roof just looks old and worn. For example if your roof is not properly ventilated it can negatively impact your shingles. While many shingles today are produced for durability many factors can accelerate the aging of shingles. When to replace an asphalt shingle roof asphalt shingles roofs can last between 15 and 30 years before they need to be replaced.

With typical roof maintenance asphalt shingles will last about 15 to 18 years. It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated. You can expect architectural asphalt shingles to last a bit longer at an average of 25 to 30 years. The most common and cost effective roofing material is the 3 tab asphalt shingle.

Laminate shingles can do a bit better averaging at about 24 to 30 years. If you see cracked or curling shingles the roof needs to be replaced before leaking occurs. Generally the cheaper your roof the shorter the lifespan and the more likely it will need maintenance. If you have a 40 year old roof there could be.

A more expensive roof will last you longer and you won t have to maintain it as often. Those signs will often be confined to just one roof section which can mean repair instead of replacing the entire roof. Most roofs with asphalt shingles will last an estimated 15 to 20 years. 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.

Knowing when a roof was installed and what it s made of offers insight into how much life it has left. An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors. On average your roof should last you between 20 and 50 years. These shingles often cost 150 200 per square.

Wood shingles and metal do quite well 30 to 40 years and 30 to 45 years respectively whereas clay tiles can average out at around 50 years.