This flexible fuel liner is heats approved and suitable for lining existing chimneys, relining within a masonry chimney or where cannot be used straight element
It is also highly recommended especially if you have cracks and leaks in your existing chimney
Specification:
Thickness 0.10mm (DN500)
Sort of Material - Steel, type 1.4404 (316 grade)
Max Temperature Level - T450
Gas Tightness(pressure class) - N1 (40Pa)
Condensate penetration resistance - W
Durability against corrosion - Vm
Soot fire resistance - G