Black Jack Neoprene Superflash
High Performance Elastmeric Flashing Cement

Neoprene flashing cement is a unique professional elastomeric flashing and reapair product that cures to a long lasting rubber membrane. This product remains flexible through extreme temperature ranges. It's non-sag properties and it's exceptional adhesion gaurantees that Super-Flash is the ideal cement for sealing cracks, holes, and tears in built-up roofs (asphalt and tar) and modified bitumen single plys.

Super-Flash may also be used as a topical repair for EPDM rubber sheets.

It's advantages include:

  • Remaining flexible and watertight for up to 20 years.
  • It is up to 50 times stronger that plastic roof cement
  • Elongation reaches 250%
  • It is elastomeric

Please contact us via phone, fax or email if your require further product data. Our customer service staff is ready to assist you.


Roofing Materials


Black Jack Neoprene
Seals leaks in hot or cold weather


Black Jack Roof Cement
Handy tubes roofing cement

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Chargar Corporation
299 Welton Street
Hamden, CT 06571

Phone: (203) 562-9948
Toll Free: (800) 922-4623
Fax: (203) 562-2053
Email: answers@chargar.com

We manufacture and distribute products to fill your concrete and masonry, structural restoration, new construction and waterproofing needs.

From the planning stage of every project all the way to the finishing touches, we offer the assurance of exceptional quality, top value, and fast delivery.

Please contact us if you have any questions on Black Jack Neoprene Superflash High Performance Elastmeric Flashing Cement