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Uses
AIM #320 Wet/Dry Plastic Cement is an asphalt based roof cement designed for repairing roofs and roof flashings that are wet or under water. This permits repairs immediately and can prevent more extensive water damage.
Description
AIM #320 Wet/Dry Plastic Cement is manufactured from Type I Roofing Asphalt, non-asbestos reinforcing fibers, petroleum solvents and a special additive which displaces moisture and allows application to wet surfaces.
Specifications
Applicable Specification: D4586
| % Asphalt | 48 min. | |
| Recommended Rate of Application | 1/8 to 1/4 inch thick | |
| % Solids | 75 min. | |
| % Non-volatile | 85 max. | ASTM D 2823 |
| % Mineral Filler Content | 14 min. | |
| Weight per Gallon | 9.5 lbs. | |
| Flash Point | +100°F (38.7°C) |
Application
The surface to be repaired must be clean and free of debris. Apply AIM #320 Wet/Dry Plastic Cement evenly with a pointed roofer’s trowel or gloved hand. Use sufficient pressure to force water out from underneath the mastic as it is applied. AIM #320 Wet/Dry Plastic Cement 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.
Repairs made to wet surfaces should be considered temporary as trapped moisture will expand when heated by the sun causing blisters and potentially new leaks. When making a permanent repair, open up the area and allow it to dry thoroughly. Clean up with mineral spirits or waterless hand cleaner. Use care when handling solvents.
