Dow Dowsil 784 Coloured Silicone Sealant - Box of 12

Dow Dowsil 784 Coloured Acetoxy Silicone Sealant Box of 12

Trade Box of 12 - Trade Price - Money Saver Deal

Available Colours

Clear – 3295036

Aluminium – 3295281

White – 3295231

Black – 3295257

Brown – 3295249

Dow Corning 784 Internal & External Flexible Acetoxy Glazing Silicone Sealant.

This sealant also has a powerful fungicide added to resist mould growth this makes it also suitable for bathroom and kitchen use as well, Dowsil 784 coloured sealant benefits from 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, Fast Acetoxy cure with a high gloss finish and is tack-free in one hour and has + or - 25% Joint movement capability as well the available colour options White Black Grey Brown Aluminium & Clear make matching surfaces simple.

Dow Dowsil 784 Anti-Fungal Silicone Sealant – 310ml – Box of 12 – Trade Price – Money Saver Deal

The Dow Dowsil 784 Anti-Fungal Silicone Sealant is a premium-grade sealant designed for hygienic and high-performance sealing in wet environments such as bathrooms, kitchens, and utility rooms. Featuring advanced anti-fungal protection, this acetoxy-cure silicone prevents mould and mildew growth, ensuring a clean, durable, and long-lasting seal. Perfect for both domestic and commercial applications, it adheres strongly to ceramics, glass, metals, and other non-porous materials.

Ideal for professionals, this Trade Box of 12 cartridges provides excellent value, allowing contractors and tradespeople to tackle multiple projects with confidence. With its quick skinning time of 5-10 minutes, Dowsil 784 ensures efficient application and a waterproof seal that stands up to UV exposure, temperature changes, and daily wear and tear. Available in a range of colours, including Clear, Aluminium, White, Grey, Black, and Brown, it blends seamlessly with various finishes for a professional look.

Key Features Benefits and Applications of Dowsil 784

• Hygienic Anti-Fungal Sealant: Prevents mould and mildew growth, ensuring a clean, sanitary finish in damp environments.
• Fast Curing: Skins over in 5-10 minutes and fully cures within 24 hours, helping you complete projects quickly.
• Flexible and Durable: Accommodates joint movement without cracking, providing a long-lasting, reliable seal.
• Superior Adhesion: Bonds well to ceramics, glass, aluminium, steel, and other non-porous surfaces.
• Weatherproof Protection: Resistant to UV rays and harsh weather, making it suitable for indoor and outdoor applications.
• Wide Range of Colours: Available in multiple colours to match various surface finishes and project requirements
• Bathroom and Shower Sealing: Provides a watertight, hygienic seal around baths, sinks, showers, and tiles.
• Kitchen Worktops and Sinks: Perfect for sealing joints around countertops, backsplashes, and sink areas where water exposure is common.
• Window and Glazing Sealing: Ensures a secure, weather-resistant seal for glass and aluminium frames.
• Exterior Sealing: Effective for external perimeter joints on non-porous materials, offering UV and weather resistance.
• General Construction: Ideal for interior and exterior sealing in commercial and residential projects.

How to Use Dow Dowsil 784 Anti-Fungal Silicone Sealant

1. Prepare the Surface: Ensure surfaces are clean, dry, and free from dust, grease, and debris.
2. Cut the Nozzle: Trim the nozzle to the required bead size and secure it to the cartridge.
3. Apply the Sealant: Use a sealant gun to apply a continuous bead along the joint.
4. Tool the Sealant: Smooth the joint with a smoothing tool or soapy water to achieve a neat finish.
5. Allow to Cure: The sealant will skin over within 5-10 minutes and fully cure within 24 hours, depending on conditions.

Questions and Answers:

Dowsil 784 FAQs?

1. How does Dow Dowsil 784 protect against mould and mildew in wet environments?
Dow Corning Dowsil 784 is formulated with anti-fungal additives that prevent the growth of mould and mildew on the sealant's surface. These additives inhibit the formation of harmful spores, making it ideal for high-moisture environments such as bathrooms, showers, kitchens, and utility rooms. The sealant’s durable, waterproof barrier prevents moisture from penetrating joints, further reducing conditions that encourage fungal growth. Regular cleaning and maintenance can enhance the sealant's longevity and performance in humid areas.

2. Can Dow Dowsil 784 be used on external applications, and how well does it resist environmental factors?
Yes, Dowsil 784 is designed for both internal and external applications. It provides superior weather resistance, including protection from UV rays, rain, and temperature changes. The sealant maintains its flexibility and adhesion strength even in harsh conditions, making it ideal for sealing window frames, doors, and façade joints. Its high durability ensures a long-lasting, waterproof seal that won't crack, shrink, or degrade due to environmental exposure.

3. What surfaces are compatible with Dow Dowsil 784, and are there any materials it should not be applied to?
Dow Corning Dowsil 784 is specially formulated for non-porous materials, including glass, ceramics, aluminium, stainless steel, and coated metals. It provides excellent adhesion to these surfaces without the need for a primer. However, it is not recommended for porous materials such as concrete, stone, or untreated wood, as the acetoxy-cure process may not form a reliable bond. For porous surfaces, a neutral cure or hybrid sealant Construction and frame Sealant is recommended. Always ensure surfaces are clean, dry, and free of contaminants before application for optimal adhesion.

4. How quickly does Dow Dowsil 784 cure, and when can it be exposed to water or stress?
Dow Corning Dowsil 784 typically skins over in 5-10 minutes and achieves full curing within 24 hours, depending on humidity and temperature. After it has skinned over, the sealant is resistant to light handling and can tolerate some movement. However, to ensure the maximum strength and durability of the bond, it is recommended to wait at least 24 hours before exposing it to water, heavy loads, or significant stress. For colder or drier environments, curing may take slightly longer.

5. Can Dow Dowsil 784 be applied in high-temperature or humid environments, and what precautions should be taken?
Yes, Dowsil 784 can be applied in a range of temperatures, typically between 5°C and 40°C. It also performs well in humid conditions, which can accelerate the curing process. However, to ensure proper adhesion, surfaces must remain dry and free of contaminants during application. For extremely high temperatures or prolonged exposure to direct sunlight, applying the sealant in the shade or during cooler parts of the day can help prevent premature skinning. Avoid applying the sealant in areas where it may be exposed to standing water before curing.

Dow Corning now Dow Dowsil Video Demonstration

Limitations:

Not suitable for pointing to porous surface around external frames.

Dow Dowsil Glazing Acetoxy Silicone Sealant

All Frame Glazing Silicone Sealant