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Asphalt Flashing Cement #774 - Standard - Full Range
Asphalt Flashing Cement #774 - Standard - Full Range
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Lucas Asphalt Flashing Cement #774 - Standard - Full Range

SKU: L-774-5

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Lucas #774 Asphalt Flashing Cement is a trowelapplied 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 All-Weather Flashing Cement or to #776 Elite Flashing Cement.

#774 Flashing Cement is manufactured from Type I 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 #774 Asphalt Flashing 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 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.

Brand Lucas
color Black
Flash Point 103°F / 39°C
Material type Cement
VOC <250 g/l
Weight Per Gallon 9.5 lbs

Est Delivery between and

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.