You can keep patching until a bigger issue presents itself but if a roof starts to look like a checkerboard people often opt to replace the whole thing.
How to tell if a roof needs replacing.
If light is getting through your roof then water is getting through your roof.
Moss growth will shorten the lifespan of your roof but it doesn t necessarily indicate roof replacement.
Bald spots where granules are missing.
Here are some tips to help you determine if you need a new roof.
7 potential signs that your roof may need to be replaced.
While asphalt shingles are durable they re constantly exposed to the elements which eventually deteriorates their integrity and requires that they are replaced.
Loose or missing shingles need to be replaced as soon as possible to avoid serious roof damage.
The first sign that your roof needs to be replaced is simply the age.
Loose or missing shingles curling edges or rot are also clear signs that roof replacement is near.
The tear off gets a lot more complicated if you have something other than asphalt up there.
Clean it off to assess the shingles beneath.
Most asphalt shingle roofs will last about 20 25 years perhaps a bit longer with regular maintenance.
If you can see original wood shingles on the underside of your roof when you re up in the attic you ll need not only to tear everything off but also to install new plywood decking all of which likely adds 5 000 or more to your costs.
Check the surface for signs of trapped moisture rotting boards or sagging spots especially.
How much time you ve got left.
See if any stray shingles have made their way into the gutters.
Inspect your roof s shingles for cracking or buckling.
Before you turn your flashlight on see if you can identify any streams of light coming through cracks or holes in your roof.
Rotting shingles is an immediate sign that you need to replace all the shingles of your roof.
The main thing to look for with asphalt roofing is granule loss.
2 dark streaks stains.
Shingles curling and buckling.
How old is your existing asphalt shingle roof.
The surest way to fully assess roof damage is by climbing on your roof and taking a look.
If you do spot any light coming through your roof repair or replace your roof immediately.