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Whats the Best Pipe Insulation?

2K views 2 replies 2 participants last post by  psubaron 
#1 ·
I have all my walls open and plan to insulate my radiator and hot water pipes before drywalling.

What's the best option for insulating these pipes?

I have seen fiberglass, polypropylene, and rubber (much more expensive).

Is the rubber option worth the added 4.5x cost?

Thanks!
 
#2 ·
I like polyethylene foam, comes in 10 foot long lengths, sized for 1/2 inch up to 2 inch diameter pipe, inexpensive, available at any big box store. I have never seen rubber insulation for hot water pipe. I don't think I have ever seen polypropylene insulation for pipes either. I don't care for fiberglass, it itches, and does not slip on like preslit polyethylene.
 
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