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Price: $31.45
    Item #LUC-744
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    Overview

    PURPOSE
    Lucas #774 Flashing Cement is a trowel-applied Flashing Cement used to install, repair or rebuild roof flashings at parapet walls, gravel stops, stacks, vents, monitors and similar applications. #774 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 AllWeather Flashing Cement or to #776.

    PRODUCT DESCRIPTION
    #774 Flashing Cement is manufactured from Type I Roofing Asphalt, petroleum solvents and non-asbestos reinforcing fibers. It applies fast and smooth and breaks cleanly off the trowel without stringing.

    Application

    The surface to be repaired must be clean, dry and free of debris. Apply #774 Plastic Roof Cement evenly with a pointed roofer's trowel or gloved hand. #774 should be applied 1/8 to 1/4 of an inch thick and may be reinforced with glass membrane or polyester fabric to strengthen the repair. When making a permanent repair to a blister, open up the area and allow it to dry thoroughly. Clean up with mineral spirits and waterless hand cleaner.

    Caution

    Combustible mixture, keep away from heat and open flames. Avoid prolonged contact with skin or fumes. If irritation occurs seek medical attention. Do not use near heat or open flame. If swallowed, do not induce vomiting. Keep out of reach of children. Read MSDS prior to use.

    MSDS

    Specification

    Applicable Specification: ASTM D-4586
    Recommended rate of application: 1/8 to 1/4 inch thick
    % Asphalt: 60 min.
    % Solids: 71 min.
    % Non-volatile ASTM D-2823: 80 max.
    % Mineral Filler Content: 14 min.
    VOC: less than 300 g/l
    Weight per gallon: 8.5 lbs.
    Flash Point (TCC): +100F° (38.7° °C)
    Container Sizes: 5 gallon

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