Both the Selkirk and Seldek chimneys have a 50mm distance from combustible material.
Selkirk has 25mm of insulation surrounding the internal skin whilst Seldek has 30mm's of insulation.
Both flue systems contain a 316 inner liner, Selkirk has an outer liner of 304 whilst Seldek boast a shiny 444 outer.
Selkirk offers a limited life time warranty, visit the warrany section to read more about this. Seldek is covered by a 10 year warranty assuming it is installed and maintained correctly. (see a copy of the warrany agreement under the twin wall warranty page.)
Click to download the Selkirk EC Certificates.
Click to download the Seldek Certificate of Compliance
Click to download the Seldek Certificate of Compliance
Click to view the Selkirk Warranty.