Gardner-Gibson Black Jack Roof Cement - All-Weather Waterproof Roofing Cement, Asphalt, 4.75 Gal

★★★★★ 4.5 77 reviews

US$31.59
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US$31.59
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Product details

Management number 219293741 Release Date 2026/05/03 List Price US$31.59 Model Number 219293741
Category

Black Jack All-Weather Roof Cement by Gardner-Gibson is a high-performance asphalt-based patching compound designed for long-lasting repairs on cracks, seams, and holes in roofing materials. This waterproof roof cement is ideal for both emergency repairs and new construction, providing a strong seal that helps prevent leaks and water damage. Its gel form makes application easy and precise, ensuring a tight bond on a variety of surfaces, including asphalt shingles, metal roofs, and flat roofs. The compact 5-gal. package is perfect for larger projects, while the black color blends seamlessly with most roofing materials for a professional finish. Use this asphalt roof sealant to set flashings, drip edges, and roofing material edges, or as a reliable roofing tar for patching and sealing. Suitable for use as a flat roof sealant or metal roof sealant, this product delivers durable, weather-resistant protection in all climates. With Gardner-Gibson’s trusted quality, you can count on this roof cement to provide superior waterproofing and long-term performance for your roofing needs.

  • SUPERIOR WATERPROOF SEAL - Provides a durable waterproof barrier for roofs. Ideal for protecting against leaks and harsh weather on flat or sloped surfaces. Suitable for year-round use.
  • ASPHALT GEL FORMULA - Easy-to-apply asphalt gel spreads smoothly for even coverage. Perfect for sealing cracks and joints on asphalt shingle roofs and other roofing materials.
  • LARGE 5 GALLON SIZE - Convenient 5 gallon pail covers large areas, making it ideal for big repairs or multiple projects. Reduces the need for frequent reapplication.
  • VERSATILE ROOFING APPLICATIONS - Works as a roof cement and roofing sealant for metal, rubber, and asphalt roofs. Compatible with a variety of roofing systems and materials.
  • LONG-LASTING PROTECTION - Designed for lasting adhesion and flexibility. Resists cracking and peeling, ensuring your roof stays protected and sealed for extended periods.
UPC 027134623059
Color Black
Model 6230-9-30
Item Form Gel
Brand Name Gardner-Gibson
Style Name Compact
Unit Count 640.0 Fluid Ounces
Part Number 6230-9-30
Manufacturer Gardner-Gibson
Material Type Asphalt
Compatible Material Asphalt, Metal, Tile, Shingle
Water Resistance Level Waterproof

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