Twin Wall Flues Adjustable Rosette 45 Degree |
Diameter Size:
180mm diameter (for 5″/125mm internal and 7″/180mm external diameter of twin wall flue)*
200mm diameter (for 6″/150mm internal and 8″/200mm external diameter of twin wall flue)*
*Diameters quoted for our twin wall flues based on 25mm of insulation thickness.
The Firestop is used internally where the flue run passes through a slabbed or joisted area. The Firestop is designed to allow for the 50mm required clearance between the flue and combustibles.