I have a friend that has a insulation company , it never dawned on me so i called him.From what i seen K wool only good up to 850 c but this CERAMIC FIBER BLANKET is good for up to 2300 and a continuous use at 1800 . Any one know if this ceramic fiber blanket it better than K wool . From every thing ive seen it is. I also need to find some plistix and reno 3000?? .Will they have stuff like that at as fireplace company???