50pcs Metal Roof Screw Caps | Waterproof Bolt Cover Set

50-Pack Metal Roof Bolt Caps – Watertight Screw Cover Set

Keep your roof, garage, barn, shed, and outdoor structures protected with these heavy-duty Metal Roof Screw Caps. This 50-piece set installs directly over existing screw heads — no screw removal required — forming a reliable watertight seal that blocks moisture, oxygen, and the elements from damaging fasteners beneath.

Key Features

• Watertight Moisture Barrier: Physically isolates screw heads from rainwater and humidity, helping to extend the life of your roofing and outdoor structures through heavy storms and prolonged wet seasons.
• Clean, Uniform Appearance: Silver-gray coating gives roofs and fences a polished, cohesive look — great for boosting curb appeal without complicated installation work.
• Aluminum-Zinc Alloy Construction: Built from durable aluminum-zinc alloy, these caps resist wear, corrosion, and weather exposure for long-term outdoor performance.
• Versatile Application: Suitable for residential roofs, fence posts, garages, barns, carports, sheds, RVs, pergolas, workshops, and garden structures.
• Tool-Free Press Installation: Adhesive-based press-fit design means no specialized tools are needed — simply press over the existing screw head for quick, effective coverage.
• Bulk Value Pack: Comes with 50 individual caps, making this set ideal for homeowners, handymen, farmers, and anyone tackling roofing maintenance or improvement projects.

Specifications

• Material: Aluminum-zinc alloy
• Size: Approx. 3.5 × 3.5 cm (1.38 × 1.38 inches) per cap
• Quantity: 50 pieces per pack
• Color: Silver-gray
• Made in China

Package Contents

• 50 × Metal Roof Screw Caps

Notes

• Due to different lighting and screen settings, the product color may appear slightly different from the pictures.
• Due to manual measurement, please allow a 1–3 cm size tolerance.

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For guidance on roofing safety best practices, visit the OSHA Roofing Safety Resource.

Learn more: Plug (sanitation)

Frequently Asked Questions

Q: Do I need to remove existing screws before applying these metal roof bolt caps?

A: No! These metal roof screw caps are specifically designed to install directly over existing screw heads with no screw removal required. Simply press the cap over the screw head to form a watertight seal — it's that simple.

Q: What surfaces and structures are these roof screw caps compatible with?

A: These waterproof bolt caps are highly versatile and work on a wide range of outdoor structures, including residential roofs, garages, barns, sheds, carports, RVs, fence posts, pergolas, workshops, and garden yards.

Q: What material are the caps made from, and will they rust?

A: The caps are crafted from aluminum-zinc alloy, which is inherently corrosion-resistant and designed to withstand prolonged outdoor exposure, resisting rust and wear over time.

Q: How many caps come in the set and what size are they?

A: Each pack includes 50 metal roof screw caps. Each cap measures approximately 3.5 × 3.5 cm (1.38 × 1.38 inches), sized to cover standard roofing screw heads effectively.