FP333 Trunking Infill is a fire resistant compressible foam strip layered with high expansion intumescent material, produced in three sizes. In a fire, the intumescent expands and hardens providing a fire and cold smoke barrier.
FP333 is designed to provide a permanent fire barrier within trunking boxes passing through fire compartment walls, and has been tested within flexible walls (75mm or wider). FP333 Trunking Infill is ideal where there are regular changes in cabling requiring frequent removal and replacement, for example in computer or communication installations.
- Integrity, insulation and smoke seal
- Zero fibre migration
- Full dry system
- Three standard sizes to allow for complicated service conditions
Technical documents
Nullifire publish the technical data sheet, declaration of performance and safety data sheet for FP333 on their own site, where the current revision is always shown. Nullifire FP333 technical documents
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