Henry #209 Extreme Wet Patch Roof Cement Elastomeric 10 oz.

Henry’s #209 Extreme Wet Patch is a premium elastomeric roofing cement designed for quick, reliable repairs on wet or dry surfaces. Formulated with advanced SEBS-modified asphalt, it delivers superior adhesion, flexibility, and durability even in challenging weather conditions. Whether you’re sealing flashings, filling cracks, or patching holes, this roof cement cures to a glossy-black, waterproof membrane that stands up to thermal movement and ultraviolet exposure.

Ideal for both emergency touch-ups and scheduled maintenance, this non-sagging sealant spreads smoothly from a feather-edge to ¼ inch thickness. It meets ASTM D-4586 Type I requirements and bonds to metal, built-up roofs, gutters, coping caps, and a variety of conventional roofing materials.

Key Features

• Advanced SEBS-modified rubberized asphalt formula
• Apply on wet or dry surfaces—no special drying required
• Non-sagging consistency; builds from feather-edge to ¼ inch thickness
• Dries to a glossy-black, waterproof finish
• Excellent adhesion to metal flashings, panels, gutters, duct projections
• Effective pitch-pan sealant and built-up roof patching compound
• Seals end laps, perimeter edges, and fastener penetrations
• Covers approximately 12.5 sq ft per gallon at 1/8 inch thickness
• Meets ASTM D-4586 Type I performance standards

⚠️ 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.