Condesating Steam Pipe - Plumbing - Contractor Talk

Condesating Steam Pipe

 
Thread Tools Search this Thread Display Modes
Old 04-26-2009, 07:20 PM   #1
New Guy
 
Platinum8's Avatar
 
Trade: All phases of Carpentry
Join Date: Oct 2008
Location: Blackstone, Ma
Posts: 23
Rewards Points: 10

Condesating Steam Pipe


Hey guys,

I would assume this is a question for some plumbers or anyone with any knowledge about this. I have a customer who has old steam radiators in his home. There is a pipe running up from the basement thru the first floor to the second floor.

The pipe had a lot of condesation on it so bad the all the paint on the wall and ceiling is peeling extremely bad. The pipe is about 2-3 inches off the wall. I want to find a solution to the problem before I do any work.

The work he wants done is to fix the wall and ceiling. scrape, patch, sand and paint. then he wants me box in the pipe so it doesn't happen to the wall again.

I am worried about it still condesating and just dripping down onto the floor and ruing that and potentially rotting the subfloor. There is about a 3/8" radius around the pipe in the floor going to the basement. I am just looking for some solutions I guess to solve the condesating problem, which by the way was pretty bad in the winter because thats when I noticed it.

Thanks so much guys,

Deano
Platinum8 is offline  

Warning: The topics covered on this site include activities in which there exists the potential for serious injury or death. ContractorTalk.com DOES NOT guarantee the accuracy or completeness of any information contained on this site. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task!

   

Advertisement

 

Old 04-26-2009, 08:06 PM   #2
Pro
 
K2's Avatar
 
Trade: Colorado master electrician, EC, B-1 GC
Join Date: Jul 2005
Location: Colorado Front Range
Posts: 2,603
Rewards Points: 2,000

Re: Condesating Steam Pipe


Are you sure it's not leaking steam?? I have a steam system and have never had condensate outside the pipes. I have had a little leaking here and there.

Advertisement

K2 is offline  
Old 04-26-2009, 08:31 PM   #3
Moderator
 
Double-A's Avatar
 
Trade: GC - Remodeling Specialists
Join Date: Jul 2006
Location: Arkansas
Posts: 4,617
Rewards Points: 2,000

Re: Condesating Steam Pipe


In order for water vapor to condense, the surface its condensing on must be cooler than the air temp. If this is a pipe that serves a radiant heat system, then its not going to have condensation on it.
__________________
"My clients’ wishes are the center of my attention." -- David Guido, a contractor in Woodstock, N.Y.
New York Times, July 20, 2006
Double-A is offline  
   
 
Old 04-26-2009, 10:16 PM   #4
Pro
 
K2's Avatar
 
Trade: Colorado master electrician, EC, B-1 GC
Join Date: Jul 2005
Location: Colorado Front Range
Posts: 2,603
Rewards Points: 2,000

Re: Condesating Steam Pipe


So then we could have leaking steam turning to condensate or leaking condensate.

I've found that resi steam pipe leaks are generally minimal at 3-5 psi and in my climate a little steam out into the living space is usually welcome. Also found that steam leaks tend to seal themselves over time if they are not getting banged around.
K2 is offline  
Old 04-27-2009, 07:25 AM   #5
Pro
 
K2's Avatar
 
Trade: Colorado master electrician, EC, B-1 GC
Join Date: Jul 2005
Location: Colorado Front Range
Posts: 2,603
Rewards Points: 2,000

Re: Condesating Steam Pipe


Call a "wet head"... Plumbers around here don't know jack about steam but they will take your money.
K2 is offline  
Old 04-27-2009, 07:57 AM   #6
NICKTECH
 
NickTech's Avatar
 
Join Date: Feb 2005
Location: Union NJ
Posts: 273
Rewards Points: 250

Re: Condesating Steam Pipe


its a heating question, not a plumbing one. internal steam pressure for a residential boiler is approx. .5 psi, yes a half-a- pound normal. the problem doesnt sound like moisture condensing of the pipe but rather on the wall. i'm assuming its an exterior wall that's colder in the winter, reguardless, i'd first check for slight leaks around any fitting and seal them. then the pipe should be insulated with a good fiberglass wrap with vapor barrier (overkill) to midigate the temp difference associated with moisture accumulation. the one could box it out.
NickTech is offline  
Old 04-27-2009, 07:29 PM   #7
Pro
 
Aframe's Avatar
 
Trade: Carpenter/GC
Join Date: Mar 2008
Location: Boston, Mass
Posts: 546
Rewards Points: 550

Re: Condesating Steam Pipe


Platinum

have you gone upstairs yet

http://www.contractortalk.com/f11/pe...nt-pipe-51208/

Advertisement

Aframe is offline  


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Drain Pipe denick Excavation & Site Work 18 07-12-2009 03:41 PM
chimney pipe extension trade HVAC 5 04-02-2009 11:47 AM
Pre-calculate DWV pipe lengths between fittings? bob_cntrctr Plumbing 1 01-20-2009 01:08 PM
Very clean galvanized pipe. silvertree Plumbing 14 09-14-2008 02:47 PM
Romex to Steam Pipe clearance? K2 Electrical 3 02-22-2007 10:01 PM

Join Now... It's Fast and FREE!

I am a professional contractor
I am a DIY Homeowner
Drywall Talk is for
PROFESSIONAL CONTRACTORS ONLY!

At DrywallTalk.com we cater exlusivly to professional contractors who make their living as a contractor. Knowing that many homeowners and DIYers are looking for a community to call home, we've created www.DIYChatroom.com DIY Chatroom is full of helpful advices and perfect for DIY homeowners.

Redirecing in 10 seconds
No Thanks
terms of service

Already Have an Account?