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.
How to tell if a roof is bad.
The biggest disadvantage of a flat roof is the lack of drainage and this is why it is important to check your roof.
Your roof is at least 20 years old.
If your roof was installed over the top of the previous roof shingles on top of shingles then you may need to replace your roof sooner.
A badly built or repaired roof can lead to numerous problems in the future including further roof work and structural damage due to leaks.
I will add that shingles are a combination of fiberglass and asphalt.
Sadly this is also one of the most common places to find poor workmanship.
The roof just looks old and worn.
For example if your roof is not properly ventilated it can negatively impact your shingles.
There s really no fix other than replacing the damaged vents.
Your heating and cooling bills have gotten noticeably higher.
This could be a result of insufficient attic ventilation or a damaged leaky roof that lets bad air in and good air out.
While many shingles today are produced for durability many factors can accelerate the aging of shingles.
You might be tempted to throw caulk at the problem but that solution won t last long.
Here are the disadvantages of choosing a flat roof for your home.
Check for cracked housings on plastic roof vents and broken seams on metal ones.
You likely also want to know when your roof needs to be replaced and how often your roof should be replaced.
The warning signs that your roof is worn out that was posted by angie s list is pretty much spot on.
Also look for pulled or missing nails at the base s bottom edge.
A guide to diy roof inspection 14 signs you need a new roof.