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Attention: This product is special order only, delivery of product can take an estimated 1 week or more. Please contact us directly for more information.
Please note, this product is BOX BUY only.
Use Bostik Ultraset® SF for: Adhering parquet, solid strip, engineered, and bamboo flooring to concrete subfloors, and for acoustic underlayment.
Bostik Ultraset® SF is a premium, solvent-free polyurethane adhesive designed for the professional installation of timber flooring. Its strong bond strength, excellent acoustic properties, and suitability for radiant heating systems make it an ideal choice for a wide range of applications. This easy-to-use, ready-to-apply adhesive provides a durable and flexible bond, ensuring long-lasting performance.
Key Features of Bostik Ultraset® SF
- Solvent-Free and Zero VOC: Environmentally friendly and safe for indoor use.
- Strong Bond Strength: Provides excellent adhesion to various timber flooring types and concrete subfloors.
- Excellent Acoustic Properties: Reduces sound transmission, enhancing comfort in the space.
- Suitable for Radiant Heating: Compatible with underfloor heating systems, ensuring reliable performance.
- Easy to Apply: Ready-to-use formulation with no mixing required, simplifying the installation process.
- Remains Flexible After Cure: Accommodates timber movement, preventing cracking and bond failure.
- Australian Made: Manufactured to high standards for reliable performance in Australian conditions.
Technical Overview
Bostik Ultraset® SF is formulated to provide a strong, flexible bond for timber flooring applications. Its polyurethane composition ensures excellent adhesion and durability. The absence of solvents and VOCs makes it a safer choice for both installers and end-users.
Chemical Properties: Solvent-free polyurethane adhesive with excellent bond strength and flexibility.
Application Temperature Range: 5°C to 30°C (41°F to 86°F). Ensure the substrate and ambient temperatures are within this range for optimal performance.
Application Information
- Required Tools: Trowel (3-4mm V-notch or square notch), moisture meter, Bostik Ultraseal Vapour Barrier (if required), cleaning solvents (mineral spirits, etc.).
- Trade-Specific Tips: Ensure subfloors are flat and properly prepared. Use the full trowel method for optimal bond strength. Conduct moisture tests and apply Bostik Ultraseal Vapour Barrier as needed. Allow adequate curing time before sanding.
- Common Issues and Solutions: Avoid applying to dense burnished concrete without abrading. Ensure no Bostik PrimeGrip is left exposed when used with Bostik UL-200. In low humidity, curing may be extended; consult a Bostik Technical Representative.
Storage and Shelf Life
- Storage Requirements: Store in original sealed containers, under cover, and in dry conditions between 5°C and 30°C.
- Shelf Life Information: 12 months in original unopened containers when stored correctly.
- Temperature Considerations: Avoid storing in extreme temperatures to maintain product integrity.
Certifications
- Meets requirements for EN 14293:2006 “Adhesives for bonding parquet to subfloor”.
- Tested to ASTM C794 for peel adhesion to various species of Australian hardwood.
Frequently Asked Questions About Bostik Ultraset® SF
Q: What types of flooring can I use with Bostik Ultraset® SF?
A: Bostik Ultraset® SF is suitable for adhering parquet, solid strip softwood and hardwood flooring, engineered flooring, and bamboo flooring to concrete subfloors. It can also be used with recommended acoustic underlays.
Q: How do I prepare the subfloor for application?
A: Ensure the subfloor is clean, dry, and free of voids and contaminants. Use Bostik Ultraseal Vapour Barrier for ground floor and new concrete slabs. Level uneven surfaces with Bostik UL-200. Conduct moisture tests to ensure suitability.
Q: What is the recommended application method?
A: The full trowel method is preferred. Apply a single application using a 3-4mm V-notch or square notch trowel. Ensure full contact between the adhesive and the timber flooring.
Q: How long does Bostik Ultraset® SF take to cure?
A: The product cures at a rate of 1.5-2.5mm per 24 hours, depending on temperature and humidity. Full cure typically takes around 24 hours, but low humidity can extend this time.
Q: Can I use Bostik Ultraset® SF with radiant heating systems?
A: Yes, Bostik Ultraset® SF is suitable for use over radiant heating systems, providing a reliable and durable bond in these applications.
Use Bostik Ultraset® SF for:
- Parquet flooring installation
- Solid strip hardwood and softwood flooring
- Engineered flooring installation
- Bamboo flooring installation
- Acoustic underlayment bonding
- Flooring over radiant heating systems
Why Use Bostik Ultraset® SF:
- Solvent-free and zero VOC, environmentally friendly.
- Strong and flexible bond for long-lasting performance.
- Excellent acoustic properties for sound reduction.
- Suitable for radiant heating systems.
- Easy to apply, ready-to-use formulation.
- Meets industry standards (EN 14293:2006, ASTM C794).
- Australian made, ensuring quality and reliability.
- Recommended by major timber flooring manufacturers.
How to apply Bostik Ultraset® SF:
- Prepare the subfloor: clean, dry, and level. Apply Bostik Ultraseal Vapour Barrier if needed.
- Apply Bostik Ultraset® SF using a 3-4mm V-notch or square notch trowel.
- Ensure full contact between the adhesive and the timber flooring.
- Allow to cure for at least 24 hours before sanding or heavy traffic.
- Clean up excess adhesive with mineral spirits or Bostik Handy Wipes.
Bostik Ultraset® SF limitations:
- Should not be applied over acrylic primers or sealers.
- Not suitable for dense burnished concrete without prior abrading.
- Not a waterproofing membrane; do not use for waterproofing.
- Should not be installed on wet, contaminated, or friable surfaces.
- Not suitable for totally confined or air-free spaces.
- Should not be exposed to water or alcohol-based cleaners before curing.
Safety precautions when using Bostik Ultraset® SF:
- Ventilation: Ensure adequate ventilation during application.
- Skin Contact: Avoid prolonged skin contact. Wear gloves and protective clothing.
- Eye Protection: Wear safety glasses or goggles.
- Cleanup: Use mineral spirits or Bostik Handy Wipes for cleanup.
- SDS: Refer to the Safety Data Sheet (SDS) for detailed safety information.
Bostik Ultraset® SF can be used on the following substrates:
- Concrete subfloors
- Plywood
- Particleboard
- Joists
- Battens
- Acoustic Underlays
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