Check the surface for signs of trapped moisture rotting boards or sagging spots especially at.
Never replace roof.
Even over a short time small leaks can lead to big problems such as mold rotted framing and sheathing destroyed insulation and damaged ceilings.
We agree at least on that home.
If you have a 40 year old roof there could be.
The overall process followed by the roofing crew goes like this.
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.
It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated.
An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors.
Most experts agree that a typical roof will last between 20 and 25 years.
If not replace bad wood with new plywood sheathing or 1.
When an attic is not vented properly and warm moist air rises that warm air can get trapped in the attic.
Most homeowners insurance policies won t pay to replace or repair a roof that s gradually deteriorating due to wear and tear or neglect.
Make minor repairs on the roof if it is in good condition.
The typical life of a 30 year roof before it typically absolutely has to be replaced is between 18 and 22 years.
To make a roof last without problems takes more than you might expect.
Once this happens condensation develops on the underside of the roof causing rusty nails and eventually mold growth.
Roofs that are over 20 years old often have limited.
Damaged or old valley flashing and drip edging is.
Most homeowners tell us that they want the first roof they replace to be the last one they ever have to replace.
Remove all existing shingles deposit them in a roll off dumpster.
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.
Unfortunately if left long enough plywood can rot out and you ll need a new roof.