Valleys are one of the most important areas of your roof.
How to tell if my roof needs replacing.
See if any stray shingles have made their way into the gutters.
The roof just looks old and worn.
If not keep an eye out for your neighbor s getting roof replacements.
Review your home improvement records to see how long ago the roof was replaced or reshingled.
If your roof shingles are falling apart or missing in this area it s a definite sign you need a new roof.
How much time you ve got left.
Knowing when a roof was installed and what it s made of offers insight into how much life it has left.
For example if your roof is not properly ventilated it can negatively impact your shingles.
One easy way to be sure you need a roof replacement is if your roof is older than 20 years old.
Loose or missing shingles need to be replaced as soon as possible to avoid serious roof damage.
Inspect your roof s shingles for cracking or buckling.
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.
Snow and rain flow through valleys and into gutters.
Visible signs of aging on a 3 tab asphalt shingle roof.
Your roof is at least 20 years old.
If you ve lived in your home for a long time you may know your roof s age.