Premier Pr300042 Roof Cement, Asphalt Mastic, Black, 1 Gal.

Premier PR300042 Black Plastic Roof Cement is a high-grade mastic compound formulated to repair leaks and seal roof surfaces against water damage and weathering. Made from asphalt and mineral fillers blended for maximum resistance to the elements, this roof cement provides a reliable solution for homeowners and contractors dealing with roof leaks, damaged flashing, or areas requiring waterproofing protection.

The soft, pliable texture spreads easily for uniform application and gradually hardens into a durable, water-resistant seal that retains flexibility over time. This balance of workability and long-term performance makes it effective on asphalt, metal, and composition roofing materials, whether used for small repairs or heavy-duty flashing applications. It also serves as an emergency patching compound when quick water resistance is needed.

Features and Benefits

• Asphalt and Mineral Blend: High-grade mastic compound designed for maximum resistance to weathering.
• Easy Application: Soft and pliable texture allows for smooth spreading and uniform coverage without excessive tools or equipment.
• Durable Water-Resistant Seal: Gradually hardens after application yet maintains pliability for years, preventing cracks and ensuring long-lasting performance.
• Versatile Use: Works on asphalt, metal, and composition roof surfaces, as well as flashing and emergency patching needs.
• Excellent Coverage: Applies at approximately 12.5 square feet per gallon when applied at 1/8 inch thickness.

Specifications

• Brand: Premier
• Model: PR300042
• Size: 1 gallon
• Color: Black
• Material: Asphalt and mineral fillers
• Form: Liquid paste

How to Use

Use for repairing leaks in asphalt, metal, and composition roof surfaces. Apply for waterproofing and heavy-duty flashing applications. Suitable as an emergency patching compound. Covers approximately 12.5 square feet per gallon when applied at 1/8 inch thickness.