Home Catalogue 03.Twin Wall Chimney Systems Nova 300mm Trim and Finishing Collars Trim and Finishing Collars 01.Flue Pipes 02.Flexible Flue Liner 03.Twin Wall Chimney Systems Core ICID Plus ICID Plus Matt Black Nova 130mm 150mm 180mm 200mm 250mm 300mm Nova Matt Black Schiedel MF 04.Flashings 05.Cowls 06.Ancillaries 07.Stoves 08.Bioethanol 09.Chimney Pots 10.Exodraft 11.Pumice Chimney Systems 12.Ceramic Chimney Systems 13.Gas Vents 14.Polypropylene 15.Electric Fireplaces 16.Special Offers Bends and Tees Condensing Lengths Starting Components Support Components Terminals and Flashings Trim and Finishing Collars 300mm Internal Diameter Nova Angled Wall Sleeve For Non-Combustible Walls Up To 280mm Thick × × This site uses cookies Some cookies are necessary to make this site work. We would also like to set optional cookies for other purposes, but only with your permission. You can accept them all, reject the optional ones, or choose purpose by purpose. Read our Cookie Policy. Strictly necessary (always active) Required for the site to work - signing in, your basket and security. These cannot be switched off. Analytics Help us understand how the site is used so we can improve it. No data is used to advertise to you. Marketing Used to measure advertising and show you more relevant adverts on other websites. Accept all Reject all Manage preferences Cookie settings