The Boss 389+ Neutral Weatherproofing Silicone Sealant - Black (290 ml). Carefully engineered to offer superior performance, this silicone-based sealant ensures exceptional weatherproofing for your projects.
Key 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.
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