• Stops leaks instantly, even in standing water

• 100% wet surface adhesion per ASTM D3409, Standard Test Method for Adhesion of Asphalt-Roof Cement to Damp, Wet, or Underwater Surfaces

• No blistering, sagging or sliding per ASTM D4586, Standard Specification for Asphalt Roof Cement

• Long-lasting waterproof patch

• Seals leaks around chimneys, skylights, turbines, vents and gutters

• Repairs shingles, roll roofing, valleys, splits, cracks and raised edges

• Apply with roofing trowel, putty knife or caulk gun