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al_cajun
LSU Fan
Baton Rouge
Member since Mar 2017
2398 posts

Is completely draining my water lines over kill for a freeze
Talking shut off at the street and let everything drain out.


East Coast Band
Alabama Fan
Member since Nov 2010
40751 posts

re: Is completely draining my water lines over kill for a freeze
What's your forecast Low?

Seems a bit drastic, but at least it will ultimately protect you.

For just tomorrow night, I'd insulate the outside faucets with those styrofoam caps, and make sure you have no exposed piping in your attic spaces.

I've heard that the 20 degree mark is the important temperature when problems can really occur.
This post was edited on 11/11 at 10:05 pm


al_cajun
LSU Fan
Baton Rouge
Member since Mar 2017
2398 posts

re: Is completely draining my water lines over kill for a freeze
Low of 28 in a raised house


Popths
LSU Fan
Baton Rouge
Member since Aug 2016
2078 posts

re: Is completely draining my water lines over kill for a freeze
Pencil lead faucet drip farthest from incoming source.


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cajuncarguy
On the road...Again!
Member since Jun 2013
2330 posts

re: Is completely draining my water lines over kill for a freeze
If you have old metal pipes just drip the outside faucets. It won't be under freezing for long.

I have an old house but had all of the pipes changed to those plastic/rubber types that expand. I then put in a ball valve where the water frrd from the meter comes out of the ground into the house. I just cut it off there and open the outside faucets to take any pressure off the water left in the pipes. never had a problem


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Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
26647 posts

re: Is completely draining my water lines over kill for a freeze
quote:

Low of 28 in a raised house


I have an old, raised house and don't worry until it gets below 20. 28 is nothing assuming you have some foam insulation or other insulation on your pipes.

quote:

Pencil lead faucet drip farthest from incoming source.


This helps but won't do anything for pipes that branch off the main.
This post was edited on 11/11 at 10:42 pm


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
993 posts
 Online 

re: Is completely draining my water lines over kill for a freeze
For the BR forecast that is overkill. In your raised house, where are water lines, under in the house in the crawl space or in the attic? If under the house the radiant heat of the earth should prevent freezing for the brief period that the temps will be freezing.

But as Zappas said, if your main water line branches are not insulated you should do so going forward for future longer term and more severe freezing events. In addition to the dripping water suggestion, if you have a dishwasher, turn it on during the middle of the night when the temp is projected to be coldest, if you have a delay on the dishwasher time it to turn on at 3 or 4 am. That will keep water moving through your lines.
This post was edited on 11/12 at 4:26 pm


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The Spleen
Alabama Fan
Member since Dec 2010
26016 posts

re: Is completely draining my water lines over kill for a freeze
Yes. Do you think they do that up north where it's cold all winter?


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East Coast Band
Alabama Fan
Member since Nov 2010
40751 posts

re: Is completely draining my water lines over kill for a freeze
Question about cutting off water to house:

After water is drained out of faucets, do you leave the faucets open or do you close them back off?


Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
26647 posts

re: Is completely draining my water lines over kill for a freeze
quote:

. Do you think they do that up north where it's cold all winter?


They have a much more robust insulation on their pipes up north. A lot of houses have a thick, wax like shell around the pipes.


notsince98
Missouri Fan
KC, MO
Member since Oct 2012
11181 posts

re: Is completely draining my water lines over kill for a freeze
quote:

They have a much more robust insulation on their pipes up north. A lot of houses have a thick, wax like shell around the pipes.


haha...we don't insulate pipes up north.

Yes, we drain irrigation systems for the winter.

Modern houses up here have outdoor freeze proof faucets. These are not fancy. All they do is have a long plunger connected to the outside knob. This allows the actual valve operation to be recessed back into the house (usually about 8-10" back in the water pipe just inside insulated envelope) where it is warm instead of on the outside where it freezes.

If the house doesn't have freeze-proof faucets, then they typically have a shutoff valve located inside the house. You then close the shutoff valve and open the outside faucet to prevent any ice damage.

I always get a kick out of you southerners freaking out over nice fall weather.


Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
26647 posts

re: Is completely draining my water lines over kill for a freeze
quote:

we don't insulate pipes up north.


Is this sarcasm? I've helped a buddy who lived in Iowa fix a leak. We had to cut that insulation off and then he had somebody come out to reapply after we were done


fishfighter
LSU Fan
Baton Rouge
Member since Apr 2008
34857 posts

re: Is completely draining my water lines over kill for a freeze
quote:

After water is drained out of faucets, do you leave the faucets open or do you close them back off?


Leave open in case something does freeze for expansion of ice.


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notsince98
Missouri Fan
KC, MO
Member since Oct 2012
11181 posts

re: Is completely draining my water lines over kill for a freeze
quote:

Is this sarcasm? I've helped a buddy who lived in Iowa fix a leak. We had to cut that insulation off and then he had somebody come out to reapply after we were done


No it isn't sarcasm. Most houses where winter happens have basements or insulated crawl spaces. You keep the pipes within heated envelopes because insulation doesn't work over long periods of cold exposure.

I don't know what type of house your buddy has but it must have been old and very poorly built.

Or are you talking about pipes being covered in closed cell spray foam under the house? That isn't insulated pipes but I can see that scenario.
This post was edited on 11/12 at 5:43 pm


Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
26647 posts

re: Is completely draining my water lines over kill for a freeze
quote:

Most houses where winter happens have basements or insulated crawl spaces. You keep the pipes within heated envelopes because insulation doesn't work over long periods of cold exposure.

I don't know what type of house your buddy has but it must have been old and very poorly built.


He had a basement but the pipes were insulated. House was probably built in the 40s or 50s but that's a guess. But I've also talked with people who lived in the midwest who had insulated pipes. Maybe they do things different were you live.


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2geaux
LSU Fan
Georgia
Member since Feb 2008
1841 posts

re: Is completely draining my water lines over kill for a freeze
Better to let them drip. Trapped water will freeze and bust pipes.


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rotrain
LSU Fan
Member since Feb 2013
88 posts

re: Is completely draining my water lines over kill for a freeze
100% effective and takes 30 seconds from the door back to the door.

With dripping faucet, risks are temperature, wind chill, exposure level, pipe material, etc etc. no way to really be sure.

I didnt do it one time two winters ago bc it was “only” going down to mid 20s. Drip wasnt fast enough i suppose and had several cracked pvc pipes in an open crwal space. Think it got down to 25.


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