FIREFLY Plus 60 is supplied in 300mm wide strips and wrapped around timbers that penetrate fire walls, then overwrapped and sealed with Green Collar Roll and FIREFLYMastic.
Used to maintain the full fire resistance level (FRL) of a fire compartment wall or fire barrier when it is penetrated by timbers.
Dimensions 300ml x 10m of both Plus 60 and Green Collar Roll.