Bradford Fireseal® Party Wall Batten Fillers Insulation
Bradford Fireseal Party Wall Batten Fillers are non-combustible Rockwool® insulation inserts designed to fill 40 mm metal battens crossing separating walls in residential Class 1 buildings. These pre-cut 100 mm batten fillers install easily into profiles, eliminating on-site shaping and maintaining their form over the long term, supporting consistent fire performance.
Bradford Fireseal Party Wall Batten Fillers integrate seamlessly with other Bradford Fireseal party wall components to support a complete fire protection system and compliance for Class 1 residential buildings.
Features and Benefits
Bradford Fireseal Party Wall Batten Fillers help simplify the critical process of fire-stopping where metal battens intersect party wall cavities. Their pre-sized design ensures a precise, gap-free fit into 40 mm batten profiles, providing reliable fire resistance and supporting compliance with building codes. The non-combustible Rockwool construction is designed to maintain integrity and resist shrinkage under extreme heat.
Key Features
Precision Fit
Pre-cut to 100mm lengths for exact compatibility with 40mm metal batten profiles
Fire safety
Non-combustible Rockwool construction maintains fire resistance and integrity under high temperatures
Easy to install
Designed to be pushed into place and hold position for a neat, consistent finish, eliminating on-site cutting
Technical Specifications
Fireseal Party Wall Batten Fillers
PRODUCT | THICKNESS (mm) | Length | PIECES PER PACK | LINEAL METRES PER PACK | PRODUCT CODE |
Fireseal Party Wall Batten Filler | 40 | 0 | 35 | 3.5 | 125418 |
Bradford Fireseal Party Wall Batten Fillers are made to fill the profile of 40mm metal battens that extend across the separating wall in residential Class 1 Buildings.
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
FBS-1 Mineral Wool products re classified as Non-Hazardous according to the Globally Harmonised System (GHS) and Safe Work Australia.