Understanding Exposed Nails on Shingles
Exposed nails, also known as exposed fasteners, are nails directly visible on the surface of shingles. These nails can often be seen during a close visual inspection or noticed by the reflection of sunlight, earning them the nickname “shiners.”
Causes of Exposed Nails
Exposed nails typically result from improper installation practices. When nails or fasteners are placed on the face of the shingle or below the fastening line, they become exposed. Following GAF’s application instructions correctly ensures that there are no exposed nails in the field of the roof.
Potential Damage from Exposed Nails
Exposed nails pose several risks to the integrity of the roofing system:
- Corrosion:
- Over time, exposed nails can corrode due to direct exposure to environmental elements such as rain, snow, and UV radiation.
- Water Infiltration:
- Corroded or improperly sealed nails can allow water to infiltrate the roof, leading to potential leaks and water damage inside the home.
- Enlarged Nail Holes:
- The movement of shingles due to temperature variations, wind, and slight deck movements can cause the nail holes to enlarge, exacerbating the risk of water infiltration.
Remedy for Exposed Nails
The best practice for addressing exposed nails is to replace the affected shingles. Here’s the recommended procedure:
- Remove Affected Shingles:
- Carefully remove any shingles with exposed nails.
- Install New Shingles:
- Replace the removed shingles with new ones, ensuring they are installed according to GAF’s application instructions to avoid future exposed nails.
- Avoid Temporary Fixes:
- Using roof cement or caulk as a repair method is not considered a permanent solution and is excluded from warranty coverage. Proper shingle replacement is essential for long-term roof integrity.
Conclusion
Exposed nails on shingles can lead to significant roofing issues, including corrosion and water infiltration. Ensuring proper installation and promptly addressing any exposed nails by replacing affected shingles is crucial for maintaining the longevity and effectiveness of your roofing system.
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Disclaimer: This article is intended for informational purposes only. For professional advice, consult experts in the field.
