Premium Wet/Dry Black Patching Cement

Asphalt Patch Coatings

Kool Seal® Storm Patch® Wet/Dry Patching Cement is a premium grade cement especially suited for asphalt-based roofing substrates.


  • Premium Grade
  • Suited for asphalt-based roof substrates
  • Resists temperature change
  • can be applied to wet or dry surfaces, even underwater
Product # ColorSizeUPCPDSSDS
KS0083600-16 Black1 Gallon50926002756
KS0083600-01 Black1 Cart50926002763

Additional information

Clean Up

Immediately with mineral spirits.

Coverage Rate

10-15 sq ft per gallon per coat. Will vary considerably depending on the type of repairs made. 6-24 linear ft per cartridge depending on joint size.

Dry Time

Allow 24 hours between coats. Cures in
1-3 days.


Metal, asphalt, smooth BUR, modified bitumen, rolled roofing, asphalt/fiberglass shingles, chimney & pipe flashings. Do NOT use on shingle-ply membranes.