125mm (5") Non-Load Bearing Floor Pack for Twin Wall Flue Pipe
Used where twin wall flue pipe penetrates a combustible floor and does not need to be supported. Pack includes a Non Supporting Ventilated Top Plate, Radiation Shield and a Ventilated Firestop plate with Fire Sealing Collar. Suitable for joist heights from 150mm to 250mm.
Measurements: A = 346mm square.