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Insulation for steam heat pipes
First Dan, thanks very much for this site. I purchased a home this year, built in 1917. It has single pipe steam heat, and I have learned alot from this site.
Now, when it was sold, the owner removed every stinking lick of abspestos (spelling?) insulation from the pipes so it would pass the inspections. So now I have 100 feet of pipe bare in the basement.
I am from the Albany, NY area, so I just went to the Home Depot. They have 3' fiberglass wraps (ThermoKing i believe), but those are expensive. They have other types of batting with pre-stick stuff on them, but I would think I would want something that I could remove easily if need be.
One thing I am unsure of is the size--I am not used to these pipe measurements. There are 2 different, and one could be either 1.5 or 2". I tried measuring the diamiter with a ruler, but maybe pipes are like lumber, where a 2x4 isn't 2x4. Is there a standard width for pipes? The other is either 2.5" or 3". One is the return, one goes out from the boiler.
So, I guess I basically have two questions:
1) what is the best type of insulation--a wrap or a pre cut length of 3'???? Maybe the answer is the one that is less expensive?
2) If the pre-cut 3' lenghts are best, are there standard sizes for pipes? how do i measure my pipes accurately, so i know what size insulation to get???
Thanks so much for any help.