Henry #208 Plastic Roof Cement, 11 oz.

Henry #208 Plastic Roof Cement is a heavy-duty, asphalt-based sealant designed for fast, reliable roof leak repairs. Its thick, plastic-modified formula provides excellent adhesion and flexibility, even on damp surfaces. Perfect for emergency patching or routine maintenance, this cement forms a durable, waterproof barrier that stands up to harsh weather and UV exposure.

Whether you’re sealing around chimneys, vents or skylights, or filling cracks and splits in shingles or flashings, the #208 Plastic Roof Cement delivers long-lasting protection. Its smooth, tack-free finish resists cracking, peeling and shrinking, keeping your roofing system watertight season after season.

Key Features

• Waterproof, asphalt-based formula for reliable roof leak repairs
• Plastic-modified for enhanced adhesion and flexibility
• Easy trowel or caulk-gun application; stays in place on vertical surfaces
• Flexible to accommodate roof movement and temperature changes
• UV-resistant, crack-proof, and freeze-thaw stable
• Ideal for use around flashings, vents, chimneys, gutters and skylights
• Suitable for emergency patching and preventative maintenance

⚠️ WARNING: This product can expose you to Benz[a]anthracene known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.

⚠️ WARNING: This product can expose you to polycyclic aromatic compounds (possibly present in asphalt in trace amounts) which are known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.