Hercules, 25410, Roof & Flashing Sealant, Can, 1 gal

Hercules Roof & Flashing Sealant — 25410, 1 Gallon Can

The Hercules 25410 Roof & Flashing Sealant is a professional-grade, all-weather sealing compound designed for roofing, flashing, and gutter applications. Formulated for superior adhesion and flexibility, it provides a durable, watertight seal that resists cracking, shrinking, and weathering in demanding outdoor environments.

• Model number 25410 designates this 1-gallon can of Roof & Flashing Sealant by Hercules, engineered for professional roofing and waterproofing use.
• Forms a tough, elastic seal that adheres to a variety of materials including metal, concrete, masonry, wood, asphalt, and roofing membranes.
• Suitable for both new construction and repair work around flashings, vents, skylights, gutters, and seams.
• Weather-resistant formula maintains flexibility in extreme temperature fluctuations and harsh UV exposure.
• Ideal for preventing leaks and sealing roof penetrations and joints.

Technical Data & Performance

• Type: Roof and flashing sealant
• Model: 25410
• Container Size: 1 gallon can
• Form: Thick, brushable liquid compound
• Color: Typically black (depending on product variant)
• Base Composition: High-performance asphalt or polymeric compound (depending on batch specification)
• Application Method: Apply with brush or trowel to clean, dry surfaces
• Surface Compatibility: Metal, concrete, wood, asphalt, brick, and roofing membranes
• Temperature Resistance: Maintains seal integrity under extreme hot and cold conditions
• Water Resistance: Waterproof when cured; resists standing water and weather penetration
• Usage: Roof seams, flashings, joints, gutters, and skylight sealing
• Provides long-lasting protection against leaks, corrosion, and environmental damage.