1 your roof s 25th birthday is approaching.
How do you know if you need a new roof on your house.
If light is getting through your roof then water is getting through your roof.
1 daylight through the roof boards.
If a roof is nearing the end of its useful life it s probably time to consider replacement.
Look for beams of light.
So arm yourself with a flashlight and climb up under the eaves.
Airborne algae cause dark streaks on roof decks.
An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors.
Homes built around the same time period can be experiencing the same types of weather conditions can mean that your roof is nearing its useful life.
Look at the slopes of your home that get direct sunlight and if you notice the shingles are curling and losing granules it could mean the shingles are past their life expectancy.
Neighbors are getting new roofs.
There could also be a possibility that the roof is defective.
Less of a warning sign than a general rule of thumb age is a good indicator of how to tell if you need a new roof.
If your roof was installed properly with good materials you can expect 12 15 years of life or longer if you have a metal roof.
If you think you might need a new roof the first place to check isn t your home exterior it s your attic.