#771 FLASHING CEMENT — PREMIUM

Reliable, professional-grade flashing cement. Lucas #771 is a premium trowel-grade flashing cement for installing and repairing flashings, seams, and penetrations on asphalt and built-up roofs. It spreads smoothly, sets quickly, and stays durable for years.

Benefits:

  • Professional quality: Made from refined asphalt — no cheap fillers.
  • Smooth application: Breaks cleanly off the trowel with no stringing.
  • Versatile use: Great for general flashing repairs and reinforcement.

For wet or modified bitumen applications, use Lucas #776 Elite™ for best results.

Product Documents

stripe

Available Sizes

771_R1

Available Colors

Black

Applicable Standards

miami

Application Methods

roller
brush
trowel

O U R  L O C A T I O N S

Alsip Plant and Corporate Office:
12400 S. Laramie Ave
Alsip, IL 60803 

 Chicago Plant:
3211 S. Wood St.
Chicago, IL 60608 

 

Austin Warehouse:
11752 S Austin Ave.
Alsip, IL 60803

 

General Office:
773-523-4300 

General Fax:
773-523-3290