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Price Per Unit: $4.58
Price Per Box: $4.12
Use HV Duct for: Sealing high-velocity air ducts, seams, and metal sheets in HVAC systems, dust extraction, and general construction.
HV Duct High Velocity Duct Sealant is a premium, single-component acrylic sealant designed for professional use in HVAC and construction applications. Its fire-rated properties, confirmed by AS1530.3 certification, make it ideal for environments where safety is paramount. The sealant provides a durable, flexible seal, accommodating minor movements and ensuring long-term performance. With excellent adhesion to a variety of substrates, including metal, aluminium, and polystyrene foam, HV Duct offers a versatile solution for sealing and bonding in various industrial and commercial settings. Its low VOC formulation aligns with "Green Star" environmental criteria, making it a responsible choice for modern construction projects.
Key Features of HV Duct High Velocity Duct Sealant
- Fire-rated to AS1530.3, ensuring safety in critical applications.
- Excellent adhesion to metal, aluminium, and polystyrene foam.
- Paintable and flexible, maintaining a durable seal over time.
- Low VOC, meeting "Green Star" environmental standards.
- Inhibits mould and biological growth, ideal for humid environments.
Technical Overview
- Chemical Properties: Acrylic Polymer
- Application Temperature Range: 5°C to 35°C (41°F to 95°F)
- Service Temperature Range: -5°C to 80°C (23°F to 176°F)
- Movement Capability: ±5%
- Cure Speed: 4-48 Hours
- VOC Content: 22 g/L
Trade Professional Information
- Required Tools: Caulking gun, spatula, masking tape, cleaning cloths, solvent (e.g., 100% White Spirits).
- Trade-Specific Tips: Ensure surfaces are clean and dry before application. Use a two-wipe process for impervious substrates. For optimal adhesion, test and use appropriate primers (50A for non-porous, 2001 for porous).
- Common Issues and Solutions: Avoid application in wet or damp conditions. For confined spaces, ensure adequate ventilation. Clean uncured sealant with water.
Storage and Shelf Life
- Storage Requirements: Store in a cool, dry place between 5°C and 32°C (41°F and 89.6°F).
- Shelf Life Information: 24 months from the date of manufacture.
- Temperature Considerations: Avoid extreme temperatures to maintain product quality.
Certifications
- AS/NZ 1530.3 - 1999 (Smoke Developed Index 3)
Frequently Asked Questions About HV Duct High Velocity Duct Sealant
Q: Can HV Duct be used in humid environments?
A: Yes, HV Duct is formulated to resist mould and mildew, making it suitable for hot and humid conditions. Ensure proper ventilation during curing for best results.
Q: What surfaces can HV Duct adhere to?
A: HV Duct adheres well to aluminium, metal, and polystyrene foam. For porous substrates, use Adheseal Primer 2001. For non-porous, use Adheseal primer 50A. Testing is always recommended.
Q: How do I clean up excess HV Duct sealant?
A: While still wet, HV Duct can be cleaned with water. Once cured, it must be removed mechanically. Use a blade or scraper for dried sealant.
Q: Is HV Duct suitable for outdoor applications?
A: Yes, HV Duct is suitable for both internal and external applications. However, protect external applications from rain for up to three days after application.
Q: What safety precautions should I take when using HV Duct?
A: Wear gloves and safety glasses. Ensure adequate ventilation. If poisoning occurs, contact a doctor or Poisons Information Centre. Refer to the SDS for detailed safety information.
Q: Can HV Duct be painted?
A: Yes, HV Duct is paintable. Allow the sealant to fully cure before painting for best results.
Q: What is the curing time for HV Duct?
A: HV Duct has a skin time of 15-20 minutes and a cure time of 2mm per day at 25°C and 50% humidity. Cure times vary with atmospheric conditions and substrate porosity.
Use HV Duct High Velocity Duct Sealant for:
- Sealing high-velocity air ducts and seams in HVAC systems.
- Dust extraction systems.
- Bus and trailer body construction.
- Sealing metal sheets to duct work and other construction products.
- Aluminium window frame sealing.
How to apply HV Duct High Velocity Duct Sealant:
- Prepare the surface: Clean and ensure it is dry and free from contaminants.
- Apply primer: If required, use Adheseal Primer 50A for non-porous or 2001 for porous.
- Cut nozzle: Cut at a 45° angle to the desired thickness.
- Apply sealant: Hold the gun at a 45° angle, ensuring good contact with both sides of the joint.
- Tool the joint: Smooth with a moistened spatula before skin forms.
- Clean up: Remove excess sealant while wet.
HV Duct High Velocity Duct Sealant limitations:
- Do not apply below 5°C or in wet conditions.
- Not suitable for continuous water flow or aquariums.
- Not recommended for structural glazing or composite panels without prior testing.
- Not suitable for underwater applications or below-grade applications.
- Requires atmospheric humidity to cure; avoid totally confined spaces.
Safety precautions when using HV Duct High Velocity Duct Sealant:
- Personal Protective Equipment: Wear gloves and safety glasses.
- Ventilation: Ensure adequate ventilation during application.
- Handling: Wash hands thoroughly after use. If poisoning occurs, seek medical assistance.
- First Aid: Refer to the SDS for detailed first aid measures.
HV Duct High Velocity Duct Sealant can be used on the following substrates:
- Aluminium: Excellent adhesion, ensure surface is clean.
- Metal: Clean and free from oils and grease.
- Polystyrene Foam: Compatible, providing a flexible seal.
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