Bostik Ultraset
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Price Per Unit: $251.00
Price Per Box: $225.90
Bostik Ultraset SF is a solvent-free, zero-VOC polyurethane adhesive ideal for bonding timber flooring. It offers excellent flexibility, bond strength, and acoustic properties, making it suitable for a variety of timber flooring applications over concrete and acoustic underlays.
- $251.00
- $251.00
- Unit price
- per
Prices do not include GST
Physical Properties
Cure rate:
1.5–2.5mm per 24 hours.
Full cure:
Approximately 24 hours (1mm film).
Tack-free time:
Approximately 4 hours at 23°c and 50% rh.
Elongation:
600%.
Shore a hardness:
Approx. 52.
Tensile strength:
1.4 n/mm².
Application temperature:
5°c to 30°c.
Coverage:
Approximately 1.1–1.3m² per litre.
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Shipping & Delivery
$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Remote areas and site deliveries are also ineligible. If your order includes any of these, we’ll contact you to arrange additional freight fees. Online purchases only.
Please note, this product is BOX BUY only.
Bostik Ultraset SF is a premium, solvent-free polyurethane adhesive designed for timber flooring. Offering zero VOCs and excellent bond strength, it is ideal for adhering timber and bamboo flooring to concrete and other suitable subfloors. This ready-to-use adhesive is non-flammable, easy to spread, and remains flexible after curing, ensuring long-lasting performance in residential and commercial applications.
Key Features
- Zero VOCs and solvent-free, ensuring environmental and user safety.
- Recommended by major timber manufacturers.
- Excellent bond strength and acoustic properties.
- Non-flammable and ready to use—no mixing required.
- Flexible and durable with 600% elongation.
- Compatible with radiant heating systems.
- Meets EN 14293:2006 and ASTM C794 standards for bonding timber.
- Australian-made for local conditions and requirements.
Suitable Substrates
- Concrete subfloors meeting AS2870 standards.
- Acoustic underlays between subfloor and flooring systems.
Uses
- Adhering parquet, solid strip softwood, and hardwood flooring.
- Installing engineered and bamboo flooring over concrete subfloors.
- Bonding acoustic underlays as an intermediate layer.
Benefits
- Solvent-free and low VOCs for a healthier environment.
- Ensures strong and flexible bonding for timber flooring.
- Easy application with no mixing required.
- Resistant to re-emulsification when in contact with water.
- Provides excellent acoustic insulation.
- Quick curing, walk-on ready in 8–10 hours.
Application Guide
- Ensure the subfloor is clean, dry, and free of voids or contaminants.
- Use a flat V-notch trowel for full trowel bed installations.
- Spread Bostik Ultraset SF evenly and press flooring material into the adhesive with sufficient pressure.
- Allow the adhesive to fully cure (minimum 24 hours, longer in low humidity conditions).
Limitations
- Not a waterproofing membrane; avoid water exposure before full cure.
- Should not be applied over acrylic primers or sealers.
- Requires a flat subfloor; levelling compounds like Bostik UL-200 may be necessary.
- Not suitable for confined or air-free spaces due to its moisture-curing nature.
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