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can you place rock wool insulation around hot water radiator pipes

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  #1  
Old 02-01-14, 08:32 PM
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Join Date: Dec 2013
Location: Canada
Posts: 71
can you place rock wool insulation around hot water radiator pipes

I had an energy audit recently and one thing the guy said was to insulate the header space between the joists in the basement. I started doing that tonight as i had some spare R14 rock wool insulation.

However one section of the joists has my hot water radiator pipes (2" diameter) running up around them. I wanted to know if it's ok to snuggly fit the insulation bats around these pipes. I believe the pipes would get to temperatures around 70oC

I worried there might be a fire risk as there is with chimneys.

thanks
oman
 
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  #2  
Old 02-02-14, 10:21 AM
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Location: usa
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It is fine to place rock wool in that area. Rock wool is non-combustible and like other types of mineral wool is also molded into shapes designed to insulate mechanical system piping.
 
  #3  
Old 02-02-14, 07:41 PM
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Join Date: Dec 2013
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cheers, as i posted that i started to think i was being overly worried, given that you buy that foam insulation for the hot water pipes

oman
 
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