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Plastic Roof Cement #745 - Wet/Dry - 5 Gallon Bucket - Lucas
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Lucas Plastic Roof Cement #745 - Wet/Dry - 5 Gallon Bucket

Product Code: L-745-5

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Lucas #745 Wet/Dry Plastic Cement is a trowel-applied Flashing Cement used to install, repair or rebuild roofs at parapet walls, gravel stops, stacks, vents, monitors and similar applications. #745 may be used with fiberglass, polyester fabrics or roll roofing for permanent repairs. This product is may be applied to wet and underwater surfaces. If repairing modified bitumen please refer to our #776 Elite Flashing Cement.

#745 Wet/Dry Plastic Cement is manufactured from Type I asphalt, mineral fillers, petroleum solvents, reinforcing fibers and a special water displacing additive. It applies fast and smooth and breaks cleanly off the trowel without stringing.


The surface to be repaired must be clean and free of debris. Apply #745 Wet/Dry Plastic Cement evenly with a pointed roofer's trowel or gloved hand. #745 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. In order to adhere to wet surfaces, apply the product in one direction with sufficient force to displace the water from underneath it.

Shelf Life: 2 years minimum.

brand Lucas
color Black
Flash Point 103°F / 39°C
material type Cement
Weight Per Gallon 9.9 lbs
Wet Adhesion > 80%

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.