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Uses
AIM #350 Premium Modified Flashing Cement is a premium grade trowel-applied Flashing Cement used to install, repair or rebuild roof flashings at parapet walls, gravel stops, stacks, vents, monitors and similar applications. AIM #350 may be used with fiberglass, polyester fabrics or roll roofing for permanent repairs. This product is may be applied to wet and underwater surfaces.
Description
AIM #350 is manufactured from higher softening point asphalt, petroleum solvents, reinforcing fibers and a special water displacing additive. It applies fast and smooth and breaks cleanly off the trowel without stringing. AIM #350 is designed for adhering SBS modified bitumen membranes to flashings and other vertical surfaces. AIM #350 can be used for flashing around vents, pipes, skylights and other roof penetrations as well as for patching high movement areas on SBS and asphalt built-up roofs.
Specifications
Applicable Specification: ASTM D 4586 Type I, Class II ASTM D3019
| Viscosity | Trowel | |
| Recommended Rate of Application | 1/8 to 1/4 inch thick | |
| % Solids | 70 min. | |
| % Non-volatile | 80 max. | ASTM D6511 |
| Weight per Gallon | 8.5 lbs. | |
| Elongation | 200%* | ASTM D412 |
| Recovery (nominal) | 95% min. | |
| Flash Point | +100°F (38.7 ° C) |
Application
The surface to be repaired must be clean, dry and free of debris. Apply AIM #350 evenly with a pointed roofer’s trowel or gloved hand. AIM #350 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.
Clean up with mineral spirits or a waterless hand cleaner. Use care when handling solvents.
