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Bostik Fireban One

Bostik Fireban One

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Price Per Unit: $17.90

Price Per Box: $16.11

Fire rated up to 4 hours, Bostik Fireban® One offers durable, flexible sealing for joints. Resistant to weather, UV, and supports joint movement of ±25%.
Vendor: Bostik
SKU: FIREBAN/SSG
Availability: In Stock
$17.90
$17.90
Prices do not include GST
Physical Properties
Chemical properties: Intumescent polyurethane
Colour: Limestone
Packaging: 600ml sausage, 20 per box
Specific gravity: 1.45 g/ml
Shore a hardness: 30
Tensile strength: >1.3 n/mm²
Elongation at break: >900%
Cure rate: 2mm per 24 hours on porous substrates
Skin formation time: 6-12 hours
Application temperature: 5°c to 35°c (41°f to 95°f)
Service temperature: -40°c to 70°c (-40°f to 158°f)
Chemical resistance: Dilute acids, alkalis, some solvents, intermittent contact with petroleum and diesel
Movement capability: ± 25%
Voc content: 64 g/l
Coverage rate: Varies by joint size; approx. 6 linear meters per 600ml at 10mm x 10mm
Storage temperature: 5°c to 30°c
Shelf life: 12 months from date of production
Standards compliance: As 1530.4-2014, astm c920, as1157-1972

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Shipping & Delivery

$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Rural, remote areas and site deliveries are also ineligible. If your order includes any of these, we will contact you to arrange additional freight fees. Online purchases only.

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Bostik Fireban One
Bostik
Bostik Fireban One
$17.90
Bostik Fireban One
Bostik
Bostik Fireban One
$17.90
Product Type: Single Buy
Description  
Use Bostik Fireban® One for: Sealing fire rated joints in concrete, masonry, and wall systems where durable, flexible sealing is essential

Bostik Fireban® One is a premium, one-part, fire rated intumescent polyurethane sealant designed for sealing joints in a variety of construction substrates. Engineered for Australian conditions, it withstands up to 4 hours of fire exposure, resists weathering, and supports joint movement of ±25%. Ideal for use on concrete, brickwork, plasterboard, and fibre cement, it cures to form a durable, flexible seal. With easy application and excellent adhesion, Fireban® One is perfect for both fire and acoustic-rated joints in commercial, industrial, and residential projects.

Key Features of Bostik Fireban® One

  • Fire rated up to 4 hours for critical safety compliance
  • Acoustic rated for sound insulation in wall and floor systems
  • One component formula – no mixing, easy application
  • Excellent durability and UV/weather resistance for outdoor use
  • Paintable and non-staining for seamless finishes
  • Low modulus and supports joint movement of ±25%

Technical Overview

  • Chemical Properties: Intumescent Polyurethane
  • Application Temperature Range: 5°C to 35°C (41°F to 95°F)
  • Service Temperature: -40°C to 70°C (-40°F to 158°F)
  • Cure Rate: 2mm per 24 hours on porous substrates
  • Tensile Strength: >1.3 N/mm²
  • Elongation at Break: >900%

Trade Professional Information

  • Required Tools: Sausage barrel gun, spatula or trowel, Bostik primers (N49, N40)
  • Trade-Specific Tips: Use backing rods for correct sealant geometry; tool sealant to achieve concave profile
  • Common Issues and Solutions: Avoid premature water exposure during curing to prevent failure; always prime for maximum performance

Storage and Shelf Life

  • Storage Requirements: Store between 5°C to 30°C in a cool, dry, ventilated space
  • Shelf Life Information: 12 months from date of manufacture in original unopened packaging
  • Temperature Considerations: Protect from direct sunlight and extremes of temperature

Certifications

  • AS 1530.4-2014 – Fire resistance certification
  • ASTM C920 – International standard for sealant performance
  • AS1157-1972 – Resistance to fungal growth
Common Questions  

Frequently Asked Questions About Bostik Fireban® One

Q: How should Bostik Fireban® One be applied for best results?

A: Ensure surfaces are clean and dry, apply recommended primer, then dispense using a sausage barrel gun. Tool off to a concave finish for optimal sealing.

Q: How does it perform under extreme conditions?

A: Fireban® One remains durable under UV exposure, weathering, and supports joint movement of ±25%, making it suitable for Australian outdoor environments.

Q: Is it compatible with painted surfaces and coatings?

A: It can be painted after 7 days; however, solvent-based coatings may react. Conduct a field test for coating compatibility before full application.

Q: What if the sealant is exposed to water before curing?

A: Exposure to water or alcohol during curing can compromise performance. Always allow full cure—7 days—for optimal sealing strength and durability.

Q: What safety precautions should I follow?

A: Wear gloves, eye protection, and ensure good ventilation. Avoid skin contact and inhalation. Refer to SDS for full safety guidelines and emergency actions.

Uses & Benefits  

Use Bostik Fireban® One for:

  • Fire-rated joint sealing in concrete structures
  • Acoustic rated wall systems for sound insulation
  • Weather-resistant joint sealing for external walls

Why Use Bostik Fireban® One:

  • Ensures safety with up to 4-hour fire resistance
  • Reduces sound transmission for acoustic comfort
  • Quick and easy application saves time on site
How To Apply  

How to apply Bostik Fireban® One:

  1. Clean and dry all surfaces thoroughly
  2. Apply primer (N49 for porous, N40 for non-porous) as needed
  3. Insert backing rod to correct joint depth
  4. Dispense sealant with a sausage gun and tool off for smooth finish
  5. Allow to cure for 7 days before painting or exposure to moisture
Limitations and Safety Info  

Bostik Fireban® One limitations:

  • Not suitable for swimming pools or constant saltwater immersion
  • Do not apply to bitumen-based substrates
  • Not for glazing applications or joints under 6mm width/depth
  • Avoid use in trafficable joints over 10mm width

Safety precautions when using Bostik Fireban® One:

  • Personal Protective Equipment: Gloves, eye protection, and respirator if ventilation is inadequate
  • Ventilation: Use in well-ventilated areas to avoid inhalation
  • Handling: Avoid skin contact and inhalation; clean up uncured material immediately
  • Keep out of reach of children; refer to SDS for full safety info
Suitable Substrates  

Bostik Fireban® One can be used on the following substrates:

  • Insitu concrete – ensure surface is clean and dry
  • Precast panels – prime for maximum adhesion
  • Brickwork and blockwork – remove dust and contaminants
  • Rendered masonry – use suitable primer
  • Fibre cement sheets – suitable for fire and acoustic rated applications
  • Plasterboard – ensure fire/acoustic rating where applicable

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