Cheap liner (the under £15 metre market) can unfurl whilst fitting (and becomes incredibly sharp and dangerous.
The layers inside cheap liner separate creating ledges inside the liner that slow the gases and collect soot and tar.
Cheap liner can disentegrate within a year or two.
Cheap liner is generally sold via professional looking ads and websites – via the Ebay or Search engine ads route.
Do not be fooled by the guarantees and the accreditations.
Click the graphic for the full article (opens a new flue liner article page).
YOU HAVE BEEN WARNED.
Happy stove fitting,