Benefits of horizontal application

• Contains intumescent material designed to expand inwards therefore crushing ducting and blocking the smoke and fire passage

• Supplied in lengths of 100 or 200mm that can be easily cut with a knife to be installed level with the surrounding wall

• Fire sleeves undergo fire resistance testing achieving integrity of 130 minutes in solid walls, 67 minutes in hollow walls and 4 hours in concrete or block walls

• Available for all sizes of rectangular and round ducting systems offered in the Greenwood range that would commonly pass through a fire rated wall

• Tested to BS476 part 22 (1987)

Benefits of vertical application

• Consisting of a hinged, two part metal collar containing intumescent material, the unit has a quick release pin for easy fitting

• Fitted lugs are supplied for simple attachment to most building materials

• Available for all sizes of rectangular and round ducting systems offered in the Greenwood range that would commonly pass through a fire rated ceiling

• Tested to BS476 parts 20 & 22 (1987)

• Vertical collar is suitable for domestic application for use around PVC or steel duct

All options are tested to European standards EN1363/1 (2006) and EN1366/3 (2005)