Insulation on pipe

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Easy Livin’ 3000

Minister of Fire
Dec 23, 2015
3,018
SEPA
If I wanted to replace the old wrap insulation on the 2" pipe that moves the hot water from the furnace to the radiators, any suggestions on what to use?
 
Fiberglass pipe insulation. I had mine half bubblegummed up with the foam stuff and tape before I stumbled on Knauf at a local drywall and insulation place. Makes a nice looking final product.