FIREFLY Collars and Collarolls are utilised as part of the Penetration Management System.
The Collars and Collarolls are a fully tested system used to maintain the integrity of any of the FIREFLY barriers.
They are green in colour, and are supplied manufactured with a flange already sewn to the product, which when installed as per FIREFLY recommended installation detail sits flush up against the barrier.
The Collars are supplied in 1 metre and 10 metre lengths, for ease of installation.
For full installation procedures, please refer to the Penetration Management section under the Applications header.