MasterFlame PI 2502 - Firestop pillow
What is MasterFlame PI 2502?
MasterFlame PI 2502 is a waterproof glass cloth
bag containing organic fillers and intumescent
additives. It is used to create a temporary or
permanent fire barrier around all types of services
to prevent the passage of fire through a
compartment wall or floor. Especially suitable
where services are continuously being changed or
What are the benefits of MasterFlame PI 2502?
• Fire resistance tested in rigid walls & floors.
• Tested with metallic pipes, cables, cable
bunches, cable trays and cable ladders.
• Reaction temperature 180°C.
• High expansion ratio.
• Remains flexible between -20°C to +130°C.
• Waterproof lining unaffected by damp
• Suitable for indoor and outdoor locations up to
• Non-combustible and non-toxic.
• Ease of installation and long life.