AldoSil 399 Silicone Mastic
AldoSil 399 Silicone Mastic is a high-solid, low-VOC, one-part silicone coating specifically designed for use in sealing roof penetrations, curbs, seams, flashing areas and any other roof top areas of possible water infiltration.
Available Sizes
- 1 Gallon Pail (Case of 4)
- 2 Gallon Pail
- 5 Gallon Pail
Benefits of AldoSil 399 Silicone Mastic
- Flashing Mastic
- Lasting Strength and Flexibility
- High Solids Content
- Excellent UV Protection
