For example if your roof is not properly ventilated it can negatively impact your shingles.
How to know if your roof needs to be replaced.
If your roof is nearing its typical replacement age you should probably start thinking about your next roof.
Loose or missing shingles curling edges or rot are also clear signs that roof replacement is near.
The roof just looks old and worn.
The roof is arguably the most important component of your house.
If previous roof repairs were installed over the top of your existing roof a practice known as overlaying you should definitely think about a roof replacement.
Valleys are one of the most important areas of your roof.
After all it keeps water out of the building.
See if any stray shingles have made their way into the gutters.
And while nobody likes having to pay to replace a roof the critical and aesthetic function it serves should help ease the pain of spending 8 000 to 20 000 on the work.
While many shingles today are produced for durability many factors can accelerate the aging of shingles.
If you ve lived in your home for a long time you may know your roof s age.
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.
If bald patches exist on the roof assess the under layer for damage before replacing any shingles.
Review your home improvement records to see how long ago the roof was replaced or reshingled.
If not keep an eye out for your neighbor s getting roof replacements.
Knowing when a roof was installed and what it s made of offers insight into how much life it has left.
Inspect your roof s shingles for cracking or buckling.
Clean it off to assess the shingles beneath.
If the valley is compromised you could be susceptible to roof leaks.
One easy way to be sure you need a roof replacement is if your roof is older than 20 years old.
How much time you ve got left.
Visible signs of aging on a 3 tab asphalt shingle roof.
Moss growth will shorten the lifespan of your roof but it doesn t necessarily indicate roof replacement.
Your roof is at least 20 years old.