QF4 Fire Protection Compound is a London Underground Approved, pre-mixed inorganic powder suitable for adding to water to produce a mortar which is intended for use as a gap filling material where non-combustible pipes and ducts penetrate fire compartment floors and walls.
Features & Benefits
- Approved for use on the London Underground
- London Underground Product ID: 2425
- Fire tested to BS476: Part 20: 1987
- Up to 4 hour fire rating
- The use of extensive shuttering is not necessary