Lucas #771 Flashing Cement is a premium quality trowelapplied Flashing Cement used to install, repair or rebuild roof flashings at parapet walls, gravel stops, stacks, vents, monitors and similar applications. #771 may be used with fiberglass, polyester fabrics or roll roofing for permanent repairs. If repairing modified bitumen please refer to our #776 Elite Flashing Cement. For repairs to wet or underwater surfaces please refer to our #779 All-Weather Flashing Cement or to #776 Elite Flashing Cement.
#771 Flashing Cement is manufactured from higher softening point asphalt, petroleum solvents and reinforcing fibers. It applies fast and smooth and breaks cleanly off the trowel without stringing.
The surface to be repaired must be clean, dry and free of debris. Apply #771 Flashing Cement evenly with a pointed roofer's trowel or gloved hand. #771 should be applied 1/8 to 1/4 of an inch thick and may be reinforced with polyester fabric to strengthen the repair. When making a permanent repair to a blister, open up the area and allow it to dry thoroughly.
Shelf Life: 2 years minimum.
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Delivery will always take place on a weekday (Mon - Fri).
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