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MHIC # 163687

Is Your Roof Really Repairable? What a Professional Inspection Reveals About Hidden Damage



Homeowners often hope that a few damaged shingles or a small leak can be fixed with a quick repair. While that is true in many situations, some roofs contain hidden problems that make simple repairs impossible. Our recent inspection illustrates exactly why a roofing contractor may recommend a full slope replacement instead of small patchwork repairs.

If you are searching for roof repair information or trying to understand whether your roof can be fixed or must be replaced, this breakdown will help you know what to expect during a professional evaluation.


 

What We Found Under the Tarps

During the initial inspection, we removed tarps that had been temporarily placed to protect the roof. Right away, several issues raised concern about the roof’s repairability.
 

1. Multiple drill holes in the roof decking

Several drill holes were discovered beneath the shingles. Some penetrated fully into the decking, while others appeared to be partial drill marks. Even minor holes create pathways for water intrusion, weakening the structural integrity of the roof.
 

2. Repeated patch attempts using tape flashing

The roof had numerous pieces of tape flashing, particularly near the back slope and around pipe boots. Roughly a dozen patches signaled ongoing issues rather than proper repairs. Tape flashing is not a long term fix and often hides underlying damage.
These early findings pointed to a roof that had been compromised in multiple areas.


 

Why Repair Testing Was Done on a Steeper Slope

We avoided lifting shingles on the lower slope because it had an extremely shallow pitch. Disturbing shingles on a low or flat surface can cause immediate damage since water does not roll off effectively. Instead, we tested shingle removal on a safer 6/12 slope.

The shingles appeared to be GAF dimensional shingles, known for strong durability and high wind resistance. They measured about 39 and five eighths inches in width with a five and five eighths inch exposure, which matches modern shingle standards.


 

The Biggest Question: Can These Shingles Be Repaired?

To determine whether a repair was possible, we attempted to remove a single shingle using standard roofing tools. The results clearly showed that a simple repair would cause more harm than good.
 

1. Strong shingle bonding

Because the roof was only about three years old, the adhesive strip had not loosened over time. GAF shingles are designed to resist winds up to 130 miles per hour, which means their factory seal is very strong. Breaking that seal caused tearing and material transfer between layers.
 

2. Widespread tearing during removal

Even using multiple tools, we experienced significant resistance. As the shingle was pried up, the shingle above and the shingle below both sustained damage. The first removal attempt ruined three separate shingles before the nails were even fully exposed.
 

3. Material transfer compromised surrounding shingles

Once the adhesive strip breaks, it cannot be restored to factory condition. Even using roofing mastic to reseal the area would only provide a temporary bond, raising the risk of early failure.
This demonstrated that any repair attempt on this slope would damage multiple shingles, creating more problems than it solved.


 

Why the Slope Requires Full Replacement Instead of Patch Repairs

After reviewing the results of the test removal, we explained several reasons why a full slope replacement is the safest and most effective solution.
 

Each repair affects multiple shingles

Because modern shingles bond so tightly, lifting even one shingle affects several around it. A repair that destroys surrounding shingles is not a true repair, and it leaves the roof vulnerable to leaks.
 

Moisture intrusion risks increase

On a proper slope, water sheds downward. On a shallow or flat surface, water can linger. This increases the chance of water slipping between shingle keyways and reaching the nail heads. Once water reaches the matting or decking, rot and mold can develop.
 

Improper roofing material for a low pitch

The lower slope of the roof was only about a half pitch, which is too low for shingles. Roofing code requires rolled roofing or other flat roof materials for any pitch at two or below. Shingles on a low slope almost always fail prematurely. Ice damming, ponding water, and blow-back under the shingles become major issues.
 

Temporary fixes lead to long term roofing failures

Even if repairs were attempted, the roof would no longer function the way it was designed. The factory adhesive pattern cannot be matched manually, and the roof’s wind and water resistance would be compromised.

 

Final Thoughts: When Repair Is Not Enough


The inspection makes it clear that isolated shingle repairs were not a feasible solution. The roof had strong adhesive bonds, previous drilling damage, a low pitch, and widespread vulnerability. In order to maintain performance, the roof required a full slope replacement and proper flat roof materials for the lower section.

For homeowners searching for roof repair information, the lesson is simple. A roof may look repairable on the surface, but once the shingles are lifted, the truth becomes clear. A thorough inspection is the key to choosing the right repair strategy and protecting your home from future damage.



Contact us today to schedule a professional roof inspection and keep your home protected year round.

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