I Just ordered a 6" 316ss liner from rockland, and was going to also get the insulation too but was a bit suprised at the inflated prices at hearth suppliers so i got to looking around and found ceramic foil backed insulation rated for 2400f 12ft x24in by 1/2" for 90.00 vs 300.00. Is there any reason using this wouldnt be ok?
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![[Hearth.com] Liner insulation [Hearth.com] Liner insulation](https://www.hearth.com/talk/data/attachments/318/318102-bbf6c8993f7c1dff0c24334b95304624.jpg?hash=gaxfu7lGm2)
![[Hearth.com] Liner insulation [Hearth.com] Liner insulation](https://www.hearth.com/talk/data/attachments/318/318103-6e0f85af76a0410723014369972ccbb2.jpg?hash=5pC9zcnK7h)