Pro-Grade® 163 Emergency Leak Repair Sealant

A premium-grade, rubberized roof sealant for immediate roof leak repairs

Pro-Grade<sup>®</sup> 163 Emergency Leak Repair Sealant

Pro-Grade® 163 Emergency Leak Repair Sealant

Pro-Grade® 163 Emergency Leak Repair Sealant is a premium grade roof repair cement specially formulated for the professional roofer to use when leaks need to be stopped immediately in driving rain and in underwater applications. Pro-Grade® 163 is uniquely formulated to resist weathering and provide long-lasting repairs, even when applied in inclement weather.

Features and benefits

  • Modified with SBS rubber for improved flexibility and durability
  • Tenacious adhesion even when applied underwater
  • Spreads easily, even in cold weather
  • Installation temperature range (ambient): 0°F to 120°F


  • 100% underwater adhesion per ASTM D3409
  • ASTM D4586
  • Miami-Dade County Approved

Sizes available

  • 10.1 oz. cartridge, 1 gallon pail and 3 gallon pail


  • Black

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