Lucas #774 Flashing Cement is a trowel applied used to install, repair, or rebuild roof flashing at parapet wall, gravel stops, stacks, vents, monitors, and similar applications. Lucas 774 may be used with fiberglass, polyester fabrics or roll roofing for permanent repairs.
ASTM D-4586, Type 1, Class 1
APPLICATION
The surface to be repaired must be clean, dry, and free of debris. Apply this Asphalt Flashing Cement evenly with a pointed roofers trowel or gloved hand. This flashing cement 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.
CAUTION
Warning! Combustible Liquid and Vapor
Contains petroleum distillates. Keep away from heat and open flames. Avoid prolonged contact with or inhalation of solvent fumes. Do not take internally. If swallowed, do not induce to vomiting. Contact medical personnel immediately.