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7 Signs It’s Time To Replace Your Roof (Homeowner’s Guide)

Is it raining inside your house? If so, you’re probably familiar with the stress and complications of a leaking roof. We’ve been there! A new roof has a lifespan of 20 to 25 years, and it’s vital to watch for signs of when to replace an existing roof.

As a homeowner, it’s important to have your home exterior looking its best. Everyone wants their roof installed correctly, so understanding your roofing materials and having a properly installed roof deck gives you peace of mind. 

This blog will guide you through seven key indicators suggesting it’s time to invest in a new roof. Ready? Let’s dive straight into giving your home the protection it deserves.

Signs of When To Replace Roof 

Several warning signs indicate it’s time to replace your roof. Common signs include water damage in the upstairs or attic, a sagging roof, and moss, mold, or fungi are all clear indicators.

Curling or buckling shingles and missing shingles or granules also point to the need for a new roof. Additionally, if you’re considering selling your home, a worn-out roof can greatly affect its value.

Water Damage in the Upstairs or Attic 

Water damage in the upstairs or attic is a major call for action. If you see daylight peeking, have heavy rain, or high winds, it’s an alarming signal to consider a roof replacement. Besides this, pay attention to any damp insulation and discoloration on walls and ceilings.

You should also look out for bulging spots indicating trapped water. Homeowners shouldn’t ignore a persistent musty smell pointing to mildew or mold growth due to unwanted moisture from a leaky roof.

Remember, tiny leaks can suddenly turn into gaping holes resulting in water streaming down into your living space, disrupting daily activities, and potentially causing hail damage.

The Roof Has Outlived Its Lifespan 

As with all other things, your roof has a certain lifespan; once it crosses that line, replacement becomes inevitable. The material of your roof largely determines its longevity.

Here are common roof material and their life expectancy: 

  • Asphalt shingles usually last 15 to 30 years
  • Metal roofs prove their sturdiness with a life span surpassing the 50-year mark
  • Wood shingles around 20 years

In harsh climates like Florida’s, the need for roof inspection arises more frequently due to weather wear.

Aging is one key indicator in assessing the time for a roofing contractor to come in. If you have an asphalt roof aging from 5 to 10 years or a wooden shingle about to cross the quarter-century landmark, consult trusted roofing contractors immediately.

Neglect can escalate costs and compromise home safety in extreme cases like hurricane season.

The Roof Sags 

Spotting a sagging roof is no small issue. This noticeable dip can signal severe structural problems beneath the surface, including rotting wood from water damage or weakened decking caused by prolonged pressure and age.

Ignoring such an unsightly slump could potentially lead to catastrophic failures that put your entire home at risk. 

Our topmost protection from external elements shouldn’t be bending under their weight! In these cases, we should promptly replace our roofs, calling on experienced roofing contractors who efficiently handle full replacement.

Moss, Mold, or Fungi Have Taken Over Entire Roof

asphalt shingle roof with moss growth

Moss, mold, or fungi growing on your roof indicates that your roof shingles have seen better days and might need replacing. These unwanted guests thrive in moist environments, meaning trapped moisture on your roof can lead to a damaged roof and erosion of its lifespan.

If left untreated, moss can crack and chip away at the shingles, causing even more damage. Additionally, lichen and mildew growth on poorly maintained rooftops can weaken seals and result in annoying roof leaks.

Excessive moss can also accelerate the loss of granules from the shingles while retaining water, adding weight to the roof sheathing and keeping it in constant contact with moisture.

Curling or Buckling Shingles

Curling or buckling shingles are major signs that indicate the need for roof replacement. When you have curling shingles, they have lost their ability to protect your home from water damage.

Here is what curling or buckling shingles do to your roof: 

  • Allows moisture to seep into your attic 
  • Causes mold growth
  • plywood issues underneath 
  • Structural issues

It’s important to address these issues promptly by replacing damaged shingles and ensuring proper ventilation in newer homes. By taking action against curling or buckling shingles, you can safeguard your home from further damage and maintain its integrity for years.

Missing Shingles or Granules

We can visually identify minor damage by looking for missing shingles or granules. When shingles become loose or fall off, it exposes the underlying structure to potential water damage and leakage.

Granule loss from shingles is often caused by hail or extreme weather conditions. These granules help protect the roof from UV rays and excessive heat absorption. 

Checking our gutters and downspouts for large amounts of granules is a good indicator that our roof has reached the end of its lifespan and needs replacement. In addition, adding solar panels help protect shingle granules from heat. 

Consideration for Selling Your Home

When selling your home, it is important to consider the condition of your roof. 

Here are some conditions to consider: 

  • Buckled or curled shingles
  • Missing tiles 
  • Water damage 

An aging roof may also need to be replaced before putting your home on the market. You shouldn’t overlook animal infestations and hail damage, or compromised valleys.

When To Act: The Importance of Timely Replacement

Timing is crucial when it comes to knowing if you need a new roof. By acting promptly, you can prevent costly repairs and avoid an underlying problem in your home. Don’t wait until the problems worsen; take action now and ensure the safety and longevity of your property.

Preventing Costly Repairs

It is crucial to promptly address any issues with your roof damage to prevent costly repairs. Ignoring or delaying a necessary total replacement can lead to significant damage and expensive repairs.

Regular inspections and maintenance may not be enough to extend the lifespan of an old or deteriorating roof. By replacing your roofing material when signs of damage appear, such as water stains, sagging, or mold growth, you can avoid more extensive damage to your home’s structure and interior.

Avoiding Structural Damage

Underlying problems to your home can be a costly and dangerous problem. That’s why it’s crucial to avoid delaying roof replacement when signs of damage appear. If you put off replacing a deteriorating roof, you risk tiny holes in your property.

This can include weakened support beams, compromised walls, and even water leaks that can lead to algae growth. Acting promptly and replacing your roof before structural issues worsen will save you money in the long run and keep your home safe and secure.


It is crucial for every homeowner to recognize the signs that it’s time to replace their roof. You can take action before further issues arise by paying attention to water damage, aging shingles, sagging roofs, and moss or exposed spots.

Don’t overlook the importance of total replacement—it can prevent costly repairs and avoid structural damage to your home. Prioritize the health of your roof and make necessary preparations for a stress-free process.

Remember, investing in a new roof is a big investment, so contact our professional roofing agents at Shake Guys to protect your property and ensure peace of mind for years.

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