We no longer stock this product, but can recommend Protecta FR Foam as a great alternative.
Sika Boom FR is a one part, high yield, fire-retardant polyurethane foam ideal for sealing pipes penetrating through brickwork and openings in walls. It can also be used for insulting between brickwork and cladding, around ducting and through cavities carrying pipes and cables where fire protection is required.
Features and Benefits:
High yield
Multi-positioning foam. Can be applied in all positions (360°)
Easy application with valve nozzle (adapter)
Suitable for application at lower temperatures (+5°C)
Fast curing
Excellent temperature insulation
Effective sound dampening
Ageing resistant
CFC/HFC-free
Resistant to temperatures ranging from -40°C to +100°C