Dow Corning Dowsil 784 Silicone Sealant Clear Aluminium White Grey Black Brown 310ml

Dow Corning Dowsil 784 Acetoxy Silicone Sealant Int and Ext 310ml Cartridge

Barcode: 5413278254719

Available Colours: White Black Grey Brown Aluminium and Clear

Size: 310ml

Dow Dowsil 784 flexible Acetoxy Cure Glazing silicone sealant for internal and external use.

The Dow Corning Dowsil 784 Anti-Fungal Silicone Sealant is a professional-grade, high-performance sealant designed for sanitary and general-purpose sealing applications.Ideal for bathrooms, kitchens, and other wet environments, it provides excellent resistance to mould and mildew growth, ensuring a hygienic and long-lasting seal.With fast-curing acetoxy technology, Dowsil 784 forms a strong, waterproof, and flexible bond to ceramics, glass, metals, and other non-porous materials, making it a preferred choice for professionals and contractors,

Containing a powerful fungicide to resist mould growth so suitable for bathroom and kitchen use as well, this sealant is available in a range of colours including Clear, Aluminium, White, Grey, Black, and Brown to match various project requirements.It offers UV and weather resistance, making it suitable for both internal and external sealing applications.

Dow Corning 784 Main uses and Benefits:

Fast cure and excellent adhesion to glass, aluminium, painted surfaces and other non porous glazing substrates.

It is also ideal for perimeter sealing in bathrooms and kitchens where mould growth can occur as contains a Powerful fungicide to resist mould growth.

Key Features & Applications

• Anti-Fungal Protection – Formulated to resist mould and mildew, making it ideal for wet areas such as bathrooms and kitchens.
• Fast Curing – Skins over within 5-10 minutes, with a full cure time of 24 hours, allowing for efficient project completion.
• Permanent Flexibility – Accommodates joint movement without cracking or shrinking, ensuring a durable seal.
• Weather and UV Resistant – Designed for both interior and exterior use, offering long-term protection against environmental exposure.
• High Adhesion Strength – Bonds strongly to glass, ceramics, aluminium, steel, and other non-porous materials.
• Wide Colour Range – Available in Clear, Aluminium, White, Grey, Black, and Brown to blend seamlessly with different surfaces.

Common Applications

• Glazing and Window Sealing: Ensures a waterproof seal around glass and metal frames.
• Bathroom and Kitchen Sealing: Provides a hygienic seal around baths, sinks, showers, and countertops.
• Wet Area Protection: Ideal for sanitary installations where anti-fungal protection is required.
• General Construction Sealing: Suitable for perimeter joints, non-porous cladding, and general interior sealing.
• External Weatherproofing: Provides long-lasting UV and weather resistance in outdoor sealing applications.

How to Use Dow Corning Dowsil 784 Acetoxy Silicone Sealant

1. Surface Preparation – Ensure the surfaces are clean, dry, and free of dust, grease, and contaminants.
2. Cut the Nozzle – Trim the nozzle to the desired bead size and attach it to the cartridge.
3. Apply the Sealant – Using a sealant gun, apply a continuous bead along the joint or surface to be sealed.
4. Tool the Joint – Use a smoothing tool or soapy water to achieve a clean, professional finish.
5. Allow to Cure – The sealant will skin over in 5-10 minutes and fully cure within 24 hours, depending on temperature and humidity.

Specifications

• Brand: Dow (Dowsil)
• Product Name: Dowsil 784 Acetoxy Anti-Fungal Silicone Sealant
• Size: 310ml per cartridge
• Cure Type: Acetoxy
• Skin Over Time: 5-10 minutes
• Full Cure Time: 24 hours
• Application Surface: Ceramics, glass, metal, aluminium, and other non-porous materials
• Weather Resistance: UV-resistant, waterproof, and mould-resistant
• Take free in: one hour.
• Finish: High gloss finish.
• Movement: + or -25% Joint movement capability.
• Conforms to: ISO 11600-G-20HM.

Frequently Asked Questions

Why is Dowsil 784 ideal for sanitary applications? Dowsil 784 contains anti-fungal additives, making it resistant to mould and mildew growth.This ensures a hygienic and long-lasting seal in wet environments such as bathrooms, showers, and kitchens.

Can this sealant be used for outdoor applications? Yes, Dowsil 784 is UV and weather-resistant, making it suitable for external sealing around windows, doors, and other non-porous surfaces.

Is Dowsil 784 compatible with all surface types? Dowsil 784 is designed for non-porous materials such as ceramics, glass, metals, and aluminium.It is not recommended for porous surfaces like concrete or brick.For porous substrates, use a construction and frame sealant.

How long does this sealant last once applied? When correctly applied, Dowsil 784 provides long-term durability and protection, offering permanent flexibility and resistance to environmental factors.

Can this sealant be painted over? No, silicone-based sealants cannot be painted over, for applications requiring a paintable finish, a hybrid or acrylic-based Paintable sealant is recommended.

Available Colours

• Clear – Code: 3295036
• Aluminium – Code: 3295281
• White – Code: 3295231
• Grey – Code: 3295265
• Black – Code: 3295257
• Brown – Code: 3295249

Limitations:

Not suitable for pointing to porous surface around external frames use Dow Corning Dowsil 791 for porous surfaces

Dow Corning now Dow Dowsil Video Demonstration

Dow Dowsil Glazing Acetoxy Silicone Sealant

All Frame Glazing Silicone Sealant