Causes & Solutions of Buckling Shingles on a Roof

published Dec 5th, 2023

A well-maintained roof is essential for the protection and longevity of your home. When shingles start to buckle, it’s a clear sign that something is amiss. A buckling roof not only affects the aesthetic appeal of your home but can also lead to leaks and structural damage if left unattended. In this blog post, we will delve into the causes of buckling shingles and provide you with practical solutions to fix them.

Causes of Buckling Roof Shingles

  1. Poor Installation: One of the most common causes of buckling shingles is improper installation. When shingles are not installed correctly, they may not lie flat on the roof’s surface, leading to gaps and warping over time.
  2. Inadequate Ventilation: Inadequate roof ventilation can cause heat and moisture to accumulate in your attic. This excess heat and moisture can then transfer to the shingles, causing them to buckle. Proper ventilation is crucial to maintaining a healthy roof.
  3. Age and Weathering: As shingles age, they become more susceptible to buckling. The natural wear and tear from exposure to harsh weather conditions, such as rain, wind, and UV rays, can cause shingles to lose flexibility and warp.
  4. Excessive Moisture: Excessive moisture, whether from leaks, poor drainage, or ice dams, can seep underneath the shingles and lead to buckling. Water can cause the shingles to swell and warp, creating a bumpy appearance.
  5. Subpar Materials: Low-quality shingles or subpar roofing materials may not have the durability needed to withstand the elements. These materials can break down more quickly, leading to buckling and other roofing issues.
  6. Improper Repairs: Sometimes, well-intentioned but improper DIY repairs or inexperienced roofing work can exacerbate the problem of buckling shingles rather than fix it.

How to Fix Buckling Shingles

  1. Address the Root Cause: Identifying and addressing the underlying issue causing the shingles to buckle is crucial. If poor installation or ventilation is the culprit, consider hiring a professional roofer to rectify these issues.
  2. Replace Damaged Shingles: If the buckling is localized and caused by a few damaged shingles, the best course of action is to replace them. This should be done carefully to avoid further damage to adjacent shingles.
  3. Improve Ventilation: Proper attic ventilation is essential for maintaining the temperature and moisture levels in your roof. Installing ridge vents, soffit vents, or attic fans can help improve ventilation and reduce the risk of buckling shingles.
  4. Fix Roof Leaks: Address any roof leaks promptly to prevent moisture from seeping under the shingles. Hire a professional to assess and repair any leaks in your roofing system.
  5. Consider a Roof Replacement: If your roof is old and showing signs of widespread buckling and deterioration, it may be more cost-effective in the long run to invest in a full roof replacement rather than repeatedly patching it up.
  6. Consult a Roof Contractor: In most cases, it’s advisable to consult a professional roofing contractor. They can assess the extent of the damage, identify the underlying causes, and recommend the most appropriate course of action.

Buckling shingles are not a problem to be taken lightly. Ignoring them can lead to more extensive damage and costly repairs down the road. By understanding the causes of a buckling roof and taking the appropriate steps to address it, you can ensure the longevity and performance of your roof, providing your home with the protection it needs for years to come. If you’re unsure about the best approach, don’t hesitate to consult with a trusted roofing professional to guide you through the process.