FAQS

What is the distance from combustible material?

Both the Selkirk and Seldek chimneys have a 50mm distance from combustible material.

How thick is the insulation?

Selkirk has 25mm of insulation surrounding the internal skin whilst Seldek has 30mm's of insulation.

Which grades of metal are used in Selkirk and Seldek twin wall?

Both flue systems contain a 316 inner liner, Selkirk has an outer liner of 304 whilst Seldek boast a shiny 444 outer.

What is the warranty offered on twin wall pipe?

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.)