Boss 389 Weather Sealant for Aluminum Panels

BOSS ® 389 Weather Seal Silicone Sealant is an one part neutral cure, medium modulus, low odor, construction grade sealant that offers excellent adhesion, weather ability and compatibility with wide variety of materials. BOSS  389 is ideally suited for weather proofing, waterproofing, sealing, expansion and control joints and general purpose glazing.

BOSS ® 389 has excellent adhesion to glass, glazed surfaces, galvanized steel, anodized aluminum, concrete, cement, wood, ceramics, painted surface and many plastics.

Boss 389 Weather Sealant for Aluminum Panels fully meets or exceeds the requirements of the following specifications:

• ASTM C920-86
• TT-S-001543A and
• TT-S-00230C.

• One Part , no mixing required
• Easy to apply
• Excellent adhesion to most common building materials
• Low Odor
• Non-Corrosive to metal
• Permanently Flexible
• Weather proofs / Waterproofs
• UV resistant