BOSS 389+ Silicone Sealant

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.

Features:

• 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.

Applications:

• 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.