Water Stained Floor Joists - Carpentry - DIY Chatroom Home Improvement Forum

Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Carpentry


Thread Tools Display Modes
Old 04-11-2013, 04:13 PM   #1
Join Date: Mar 2011
Posts: 26
Rewards Points: 25

Water stained floor joists

I'm getting drywall installed in my lower level dining room and after removing the old ceiling, I noticed this on the joists..should I be concerned and is there anything I should do before drywalling? Pics attached. Thanks! Kevin
Attached Thumbnails
Water stained floor joists-image-341901654.jpg   Water stained floor joists-image-2612455867.jpg  


KDOC is offline   Reply With Quote
Old 04-11-2013, 06:22 PM   #2
Civil Engineer
Join Date: Mar 2009
Location: Boston
Posts: 5,680
Rewards Points: 4,940

That looks like evidence of a leak. You need to verify that the cause of the leak has been permanently cured. You can check the condition of the joist using a sharp probe, I often use an awl. If the wood is soft, it is likely rotten, and you should then consider replacement. If the deterioration is surface only, you can clean it if you wish with bleach, or ignore it, as long as the leak has been fixed.


Daniel Holzman is online now   Reply With Quote
Old 04-11-2013, 06:44 PM   #3
Join Date: Nov 2011
Location: Hartfield VA
Posts: 34,587
Rewards Points: 14,306

You have old steel drains, an antique drum trap.
All of which at some point were going to plug up or rust out and leak.
Now the time to replace it before that ceiling goes up.
When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions
joecaption is online now   Reply With Quote
Old 04-11-2013, 07:26 PM   #4
joed's Avatar
Join Date: Mar 2005
Location: Welland, Ontario
Posts: 13,456
Rewards Points: 13,712
Blog Entries: 11

You should also fasten the electrical cables up properly to keep them away from the drywall screws.
joed is online now   Reply With Quote
Old 04-12-2013, 07:17 AM   #5
GBrackins's Avatar
Join Date: Apr 2012
Location: Fairhaven, Massachusetts
Posts: 2,915
Rewards Points: 2,108

Everyone have made excellent comments, one more to consider, if the upstairs bathroom floor is a little bouncy now is the time also to beef up your floor.

"You get what you pay for, and sometimes free costs more!"
GBrackins is offline   Reply With Quote
Old 04-12-2013, 09:57 AM   #6
Join Date: Oct 2012
Location: Maryland
Posts: 3,726
Rewards Points: 2,210

That is a wiped lead joint above the piece of 2 x 4. Its been a long time since Ive seen one of those. That was done back when plumbing was an art.

It would be absolutely insane to drywall this before properly replacing all of this plumbing with PVC, and correcting any structural issues, unless you install your drywall with Velcro.
" Most people would rather die than think, and most do " Bertrand Russell

jagans is offline   Reply With Quote
Old 04-13-2013, 08:04 AM   #7
Join Date: Apr 2012
Location: Durham NC
Posts: 1,751
Rewards Points: 1,166

either that is a leak from the outside getting in or your plumbing leaks now or has leaked in the past. have you lived in the house a long time or do you know of repairs done in the plumbing over time. best to find out which it is before covering up with drywall, one of those scenarios where one thing leads to another- you just have to follow the trail until it ends...
hand drive is offline   Reply With Quote
Old 04-13-2013, 10:43 AM   #8
Join Date: Apr 2013
Posts: 37
Rewards Points: 25

The sub-floor above all the drains (at the very top center of the first pic) also appears to be water damaged. Need to address that sub-floor, make sure it is 100% sound or your going to be back in there in the near future, only coming from above, looking at these joints, the plumbing and so on so forth as you fix that.

Best to inspect the sub-floor aboce the joists, ensure the joists they have not been comprised (you can use a simple awl for this) and change out all that plumbing to more up to date pvc and then dry wall it all back in or you can dry wall it now and come back and do it all in a shirt bit. All of those plumbing pieces are pretty much antiques now and they've definitely given their money's worth so how about lettin' 'em all retire.

Last edited by TheJerk; 04-13-2013 at 11:44 AM.
TheJerk is offline   Reply With Quote
Old 04-13-2013, 11:30 AM   #9
Join Date: Oct 2008
Location: Ontario
Posts: 1,865
Rewards Points: 2,646

That would be a good spot for a service access hatch in the ceiling.


SPS-1 is offline   Reply With Quote

Thread Tools
Display Modes

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
Water heater solutions to get hot water in timely manner daluu Plumbing 22 05-07-2012 08:44 PM
Grossly insufficient water supply to toilet wasting water? mysterylectric Plumbing 8 01-17-2012 11:19 AM
Oil fired furnace and hot water heater question steveinpa Plumbing 3 08-10-2010 08:42 AM
How Do I Properly Shock Chlorinate a Water Softner classicflytyer Plumbing 5 07-14-2009 12:15 AM
Low Hot Water Pressure btennant Plumbing 4 12-09-2008 09:31 PM

Top of Page | View New Posts


Search Engine Friendly URLs by vBSEO 3.6.1