Bradford Fireseal® Party Wall Sealer Insulation
Bradford Fireseal Party Wall Sealer is non-combustible Rockwool® insulation designed to provide fire protection in party walls and separating walls between adjoining occupancies in Class 1 buildings. Available in a range of thicknesses to suit wider concrete blockwork and precast walls, this wide-format blanket is installed above and within party walls to suit most applications. Safe and easy to handle, it cuts cleanly and is designed to stay securely in place for a reliable, tidy installation.
Features and Benefits
Bradford Fireseal Party Wall Sealer supports fire safety requirements in party walls and can help reduce fire risk between homes. Its non-combustible Rockwool composition maintains integrity under high heat and fits neatly around beams and pipes. Easy to install and suitable for interior applications where the product is protected from direct UV light, water and wind pressure during and after installation. Fireseal Party Wall Sealer provides long-lasting performance to support building code compliance in homes and townhouses.
Key Features
Fire safety
Non-combustible Rockwool construction maintains fire resistance and integrity under high temperatures
Thermal Performance
Provides additional thermal insulation, helping to improve energy efficiency while supporting fire safety compliance
Durable Performance
Maintains form and integrity over time, ensuring long-term reliability
Easy to install
Cuts cleanly, pushes into place and holds position for a neat, consistent finish
Technical Specifications
Fireseal Party Wall Sealer
PRODUCT | THICKNESS (mm) | DIMENSIONS | PIECES PER PACK | LINEAL METRES PER PACK | PRODUCT CODE |
Fireseal Party Wall Sealer | 50 | 4m x 300mm | 2 | 8 | 123443 |
75 | 4m x 300mm | 2 | 8 | 123444 | |
50 | 4m x 360mm | 2 | 8 | 132796 | |
75 | 4m x 360mm | 2 | 8 | 132797 |
- Installed above and within Class 1 party walls or separating walls between adjoining occupancies
- Suitable for interior applications where the product is protected from direct UV light, water and wind pressure during and after installation.
Performance Guaranteed


Bradford 90 Years
Bradford has been trusted for over 90 years, with products engineered to deliver superior performance in insulation and ventilation systems.


FBS-1 Mineral Wool
products re classified as Non-Hazardous according to the Globally Harmonised System (GHS) and Safe Work Australia.