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Price Per Unit: $10.30
Price Per Box: $9.27
Use Adheseal PU 25 FC Polyurethane Sealant for: Sealing and bonding in construction, including window perimeters, expansion joints, and metal cladding, with potable water applications.
Adheseal PU 25 FC is a high-performance, fast-curing polyurethane sealant designed for demanding construction and industrial applications. Its unique formulation provides rapid cure times, potable water suitability, and exceptional flexibility, making it a versatile choice for Australian trades. This sealant adheres strongly to a wide range of substrates, ensuring durable and reliable performance.
Key Features of Adheseal PU 25 FC Polyurethane Sealant:
- Fast Curing (FC): Reduces downtime and speeds up project completion.
- Potable Water Safe (AS/NZS 4020): Suitable for applications involving drinking water.
- Low Ignitability (AS 1530.3): Enhances safety in fire-sensitive environments.
- High Flexibility (+/- 25% Movement): Accommodates joint movement, preventing cracks.
- Mould and Mildew Resistant: Ideal for humid Australian climates.
Why Choose Adheseal PU 25 FC Polyurethane Sealant:
- Enhanced Efficiency: Rapid curing reduces project timelines.
- Versatile Application: Suitable for diverse substrates and applications, including potable water.
- Increased Safety: Low ignitability adds an extra layer of protection.
- Long-Term Durability: Proven resilience and excellent adhesion.
When to Choose Adheseal PU 25 FC versus Alternatives:
- Choose Adheseal PU 25 FC over standard polyurethane sealants when: Fast curing and potable water suitability are required.
- Consider other options when: Structural glazing applications or applications needing extreme flexibility are required.
- Cost-benefit comparison: Adheseal PU 25 FC offers faster curing and specialized compliance, justifying its premium value.
Trade-Specific Applications for Adheseal PU 25 FC Polyurethane Sealant:
For Plumbers:
- Sealing potable water pipes and tanks, ensuring compliance with AS/NZS 4020.
- Sealing joints in water treatment facilities, providing durable and safe seals.
- Sealing around water fixtures and fittings, preventing leaks and mould growth.
For Builders and Carpenters:
- Sealing expansion joints in precast and tilt-up panels, accommodating movement.
- Perimeter sealing of windows and doors, providing weatherproofing.
- Adhering floor mouldings and skirting boards, ensuring secure bonding.
For Metal Cladding and Fabrication Professionals:
- Sealing metal cladding and bolted lap joints, preventing water ingress.
- Sealing aluminium fabrications, providing durable and weather-resistant seals.
- Sealing joints in vehicular and marine manufacturing, ensuring long-term performance.
For Civil Construction:
- Sealing pavement joints, car parks, and driveways, providing flexible and durable seals.
- Sealing expansion joints in concrete structures, accommodating thermal movement.
- General construction sealing and adhesive applications.
Technical Overview
Adheseal PU 25 FC is a single-component, moisture-curing polyurethane sealant/adhesive designed for high-performance applications. Its fast-curing formulation and potable water suitability make it a versatile choice for various construction and industrial needs. The sealant cures to form a permanently elastic and dustproof seal, accommodating up to 25% movement.
Chemical Properties: Polyurethane-based sealant with excellent resistance to water, chemicals, and UV radiation. Its fast-curing formulation ensures rapid strength development.
Application Temperature Range: +5°C to +40°C (41°F to 104°F). This range allows for application in various Australian climates, ensuring the sealant remains workable in both warm and cool conditions.
Application Information
- Required Tools: Caulking gun, smoothing spatula, masking tape, and cleaning solvents (Xylene).
- Trade-Specific Tips: For plumbers, ensure surfaces are clean and dry for potable water applications. Builders should use proper joint design and backing rods.
- Common Issues and Solutions: Avoid application in totally confined spaces. Ensure proper surface preparation and priming for optimal adhesion.
Storage and Shelf Life
- Storage Requirements: Store in a cool, dry place between 10°C and 35°C (50°F and 95°F).
- Shelf Life Information: 12 months in original packaging.
- Temperature Considerations: Avoid extreme temperatures to prevent premature curing or damage to the sealant.
Certifications and Compliance
- AS/NZS 4020: Suitable for contact with potable water.
- AS 1530.3: Low ignitability.
- ASTM C793: UV testing compliance.
- ISO 11600 F 25 LM: Sealant Classification for building joints.
Frequently Asked Questions About Adheseal PU 25 FC Polyurethane Sealant
Q: Can Adheseal PU 25 FC be used for potable water applications?
A: Yes, Adheseal PU 25 FC is tested and compliant with AS/NZS 4020, making it suitable for contact with potable water.
Q: How fast does Adheseal PU 25 FC cure?
A: Adheseal PU 25 FC cures at a rate of 3mm per 24 hours at 25°C and 50% humidity. Cure times may vary depending on environmental conditions.
Q: Is Adheseal PU 25 FC suitable for external applications?
A: Yes, Adheseal PU 25 FC is suitable for both internal and external applications, offering excellent UV resistance and durability.
Q: What substrates are compatible with Adheseal PU 25 FC?
A: Adheseal PU 25 FC adheres to a wide range of substrates, including masonry, brick, metal, timber, and plastics. Preliminary adhesion tests are recommended for optimal results.
Q: Does Adheseal PU 25 FC have low ignitability?
A: Yes, Adheseal PU 25 FC is tested to AS 1530.3, demonstrating low ignitability, which enhances safety in fire-sensitive environments.
Q: How should I clean up excess Adheseal PU 25 FC?
A: While the product is still wet, tools and spills can be cleaned with Xylene. Cured product can be removed mechanically. For cleaning skin, use Adheseal Hand Wipes.
Use Adheseal PU 25 FC Polyurethane Sealant for:
- Sealing potable water pipes and tanks.
- Sealing expansion joints in concrete and precast panels.
- Perimeter sealing of windows and doors.
- Sealing metal cladding and fabrication joints.
- Adhering floor mouldings and skirting boards.
Why Use Adheseal PU 25 FC Polyurethane Sealant for:
- Fast curing for reduced project timelines.
- Potable water suitability for specialized applications.
- Low ignitability for enhanced safety.
- High flexibility for dynamic structures.
- Versatile application on various substrates.
How to apply PU 25 FC Polyurethane Sealant:
- Surface Preparation: Ensure surfaces are sound, clean, dry, and free from contaminants. Prime if necessary, especially for porous substrates or critical applications.
- Priming: Apply appropriate primer (Adheseal 50A for non-porous, Everflex Supaprime for porous) and allow to dry for 30 minutes to 2 hours.
- Joint Design: Aim for a 2:1 width-to-depth ratio. Use backer rod for joints over 10mm deep and bond breaker tape to prevent three-sided adhesion.
- Application: Cut nozzle at 45° for sealant or 90° for adhesive. Apply in a continuous bead, ensuring good contact with both sides of the joint.
- Tooling: Tool off with a moistened spatula within 5 minutes. Remove masking tape while sealant is still wet.
- Clean-Up: Clean tools and spills with Xylene while sealant is wet. Cured sealant can be removed mechanically.
PU 25 FC Polyurethane Sealant limitations:
- Not suitable for totally confined spaces due to moisture-curing requirements.
- Avoid use in aquariums or internal swimming pool applications with high chlorine levels.
- Not recommended for adhering mirrors or structural glazing without testing.
- May discolour copper and brass.
- Avoid contact with materials containing cleaning agents, solvents, or alcohol during curing.
- Not for use on bituminous, natural rubber, or EPDM rubber surfaces.
Safety precautions when using PU 25 FC Polyurethane Sealant:
- Personal Protective Equipment: Wear gloves, safety glasses, and respiratory protection in poorly ventilated areas.
- Ventilation: Use in well-ventilated areas. Avoid inhaling fumes.
- Handling: Wash hands thoroughly after handling. Avoid skin and eye contact.
- Storage: Store in a cool, dry place away from direct sunlight and extreme temperatures.
Adheseal PU 25 FC Polyurethane Sealant can be used on the following substrates:
- Masonry and Brick: Provides a durable and flexible seal for construction joints.
- Metal and Aluminium: Suitable for sealing metal cladding and fabrication joints.
- Timber: Ideal for sealing joints in timber structures, accommodating movement.
- Plastics: Adheres to various plastics, providing a reliable seal.
- Painted Surfaces: Compatible with painted surfaces, enhancing weatherproofing.
- Powder Coat: Provides excellent adhesion and long-term durability.
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