BOSS 389+ Silicone Sealant
BOSS 389+ Silicone Sealant is a cutting-edge, high-performance sealant designed to meet the most demanding sealing and bonding needs. This advanced, single-component silicone sealant provides a reliable, long-lasting solution for a wide range of applications, making it an essential choice for both professional contractors and DIY enthusiasts.
One of the standout features of BOSS 389+ Silicone Sealant is its remarkable resistance to environmental stresses. The sealant is engineered to withstand extreme temperatures, UV radiation, and harsh weather conditions, making it perfect for both indoor and outdoor applications. It maintains its flexibility and adhesion even in fluctuating temperatures, preventing cracks, leaks, and other forms of deterioration.
BOSS® 389+ weatherproofing silicone sealant is a construction-grade sealant that provides unmatched adhesion, weather resistance and can be used on a wide variety of materials. It is a one-part, neutral cure, and low-odour sealant.
- Compatible with all structural silicone sealant.
- Good weather and temperature resistance.
- Medium modulus – with expansion/compression capability up to ± 25% of the original joint width.
- Neutral cure, with a long open time.
- Permanently elastic after curing.
Features:
- Ideally suited for weatherproofing, waterproofing, sealing of expansion and control joints, and general-purpose glazing.
- Other bondable surfaces include anodized aluminium, concrete, cement, wood, ceramics, and painted surfaces.
- Works well with ACP, glass, glazed surfaces, and galvanized steel.