However regular inspection for potential problems is recommended twice a year according to the national roofing contractors association.
How often should you change your roof shingles.
The shingles are curling.
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.
If your roof is in good shape but has some damage to one side from a downed tree or has lost shingles in a wind storm an overlay is worth considering.
The roofing contractor you choose the pitch steepness or your roof and the square footage of your roof are other factors that affect the cost.
Sadly an often ignored part of the house is the roof.
The suburban skyline roof.
For example the average lifespan of a cedar roof is roughly 20 years.
I will add that shingles are a combination of fiberglass and asphalt.
The warning signs that your roof is worn out that was posted by angie s list is pretty much spot on.
How often should you replace your roof.
You should get a roofing contractor to perform a roof inspection every year to see what condition your roof is in and tell you if it needs to be replaced.
A qualified and honest roofing or general contractor should be able to tell you if your roof is worn out or if you can get another 5 to 10 years out of it.
A more expensive roof will last you longer and you won t have to maintain it as often.
If you find that your shingles have developed cracks or are starting to curl you may need to have your roof replaced.
Rock bottom a three tab composite roof for a small home may cost as little as 7 000.
How often should you replace your roof.
This is often a result of strong winds water damage or old age.
If you live in a development and your neighbors are all starting to replace their roofing that could be a sign that you should do the same.
You may find that your roof is missing shingles or that the existing shingles are significantly worn or damaged.
Nationally a typical roof using architectural asphalt shingles costs between 3 50 and 5 50 per square foot.
However in drier climates a cedar roof is likely to need more frequent repair and replacement since it is prone to splitting.
An average roof needs to be replaced after 15 50 years depending on the material used ventilation and climate factors like humidity heat and cold.
Unless it starts to leak or break apart you probably won t notice what s going on up there.
Stripping away the old roof more expensive because of the additional labor and materials peeling off the old roof down to the sheathing is your only option if you already have two layers.
More expensive shingles to extend the lifespan of your roof.