Even over a short time small leaks can lead to big problems such as mold rotted framing and sheathing destroyed insulation and damaged ceilings.
Never replace roof.
If you have a 40 year old roof there could be.
Damaged or old valley flashing and drip edging is.
An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors.
Great day improvements has put together this list of 15 questions that every homeowner should ask a potential roofer before signing a contract so you can ensure the company you hire is reputable and capable of getting the roof done right the first time around.
We agree at least on that home.
The typical life of a 30 year roof before it typically absolutely has to be replaced is between 18 and 22 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.
Remove all existing shingles deposit them in a roll off dumpster.
To make a roof last without problems takes more than you might expect.
Most experts agree that a typical roof will last between 20 and 25 years.
A droopy sagging roof is one that surely needs replacing before further damage occurs to your home.
If you have a leaky roof you d better fix it immediately even if it doesn t bother you much or you re getting a new roof next year.
If not replace bad wood with new plywood sheathing or 1.
Most homeowners insurance policies won t pay to replace or repair a roof that s gradually deteriorating due to wear and tear or neglect.
Once this happens condensation develops on the underside of the roof causing rusty nails and eventually mold growth.
When an attic is not vented properly and warm moist air rises that warm air can get trapped in the attic.
The overall process followed by the roofing crew goes like this.
Roofs that are over 20 years old often have limited.
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.
If the shingles on your roof are disappearing as quickly as cake at a toddler s birthday party it s probably time to replace your roof.
Unfortunately if left long enough plywood can rot out and you ll need a new roof.