DOWSIL™ 789 Silicone Weather Proofing Sealant is a high-performance neutral cure silicone sealant manufactured by Dow, engineered for weatherproofing, sealing joints, and gap filling in construction applications. The neutral cure formulation provides excellent adhesion to various substrates without corrosion.
With superior weather resistance and durability, DOWSIL™ 789 is ideal for exterior and interior sealing applications. The 280ml cartridge size is convenient for residential and commercial projects in Bangalore requiring professional-grade weatherproofing and sealing solutions.
Technical Specifications (Quick Reference)
Specification
Details
Product Type
Neutral Cure Silicone Weatherproofing Sealant
Size
280ml cartridge
Cure Type
Neutral cure (non-corrosive)
Properties
Excellent adhesion, weather resistance, durability
Recommended Applications
Window & Door Sealing: Weatherproof sealing around windows and door frames
Exterior Joints: Seal expansion joints and gaps in exterior walls
Bathroom & Kitchen: Water-resistant sealing for sinks, bathtubs, and countertops
Glass & Metal: Excellent adhesion to glass, aluminum, and metal surfaces
Weatherproofing: Protect buildings from water infiltration and weather damage
Construction Sealing: Professional-grade sealant for construction and renovation projects
Usage Guidelines
Surface Preparation: Clean and dry surfaces; remove old sealant, dirt, and grease
Cartridge Loading: Load 280ml cartridge into standard caulking gun
Application: Apply sealant in continuous bead along joint or gap
Tooling: Smooth sealant with wet finger or tool within 5-10 minutes
Curing: Allow 24 hours for full cure before exposing to water or stress
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