Repairing Guides

how to repair pipe under concrete

by Carmelo Kuhn III Published 2 years ago Updated 1 year ago
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How to Repair a Broken Sprinkler Pipe Under the Sidewalk

  1. Dig up the area on both sides of the concrete until you expose the supply pipe. ...
  2. Shut off the water to the sprinklers at the main ball valve.
  3. Cut off the pipe on both sides of the concrete using a hacksaw. ...
  4. Pull the damaged pipe out from under the concrete. ...
  5. Cut a new section of pipe at the same length as the damaged section.

More items...

Part of a video titled How to Repair a Sewer Pipe Under a Concrete Slab - YouTube
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Down the cut ahead at the end of the drain snake will scrape the inside of the pipe. And remove theMoreDown the cut ahead at the end of the drain snake will scrape the inside of the pipe. And remove the last of those tree roots to leave a nice clean pipe.

Full Answer

How to repair copper pipes without damaging concrete or masonry?

Here at Nu Flow, we have the pipe repair technology to repair your copper pipes without destroying your concrete or masonry. This is because we use epoxy coatings and pipe liners to seal and restore your copper pipes in concrete slab. For potable water pipes, we generally use epoxy coatings.

How long do copper pipes last in concrete slab?

Copper pipes in concrete slab, Copper pipes are generally last 50 years or more. It is resistant to corrosion. It has anti-bacterial properties, and it is an economically and environmentally sound choice for potable water supply lines.

How to rescue a buried root-clogged sewer pipe?

In this video, This Old House plumbing and heating expert Richard Trethewey shows how to rescue a buried, root-clogged pipe, without digging up the whole site. 1. Insert a video inspection tool into the sewer pipe and look for evidence of tree roots growing inside the pipe. 2. Attach a cutter head onto the end of an electric drain snake.

Why are repaired pipes so expensive?

Repaired pipes that are embedded in concrete and located behind masonry can be expensive because the plumber has to dig or drill through the surface in order to reach your pipes. Once the pipes are repaired, you’ll have to hire another company to fix the damage to the concrete and/or masonry, which can be extremely costly.

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How do you fix a leaky pipe under a slab?

The first way you can fix a leak is by jack-hammering the concrete slab, digging down to the pipe, and fixing it. The second way is to dig a tunnel through the dirt under the slab from the outside all the way to where the leak is.

How do you fix a broken concrete pipe?

2:205:32How to Repair pipe in concrete slab - fixing broken, repairing ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou want to grab your hammer. Maybe try to pull it knock it out of place cuz you don't want to use.MoreYou want to grab your hammer. Maybe try to pull it knock it out of place cuz you don't want to use. Power tools the next tier of pipe. There you go and you clear everything out just let that cleared.

How do you fix a broken underground pipe?

Underground Pipe Relining If the existing pipe has a wide enough diameter, the plumbers may be able to insert a new liner into the pipe. This technique works for pipes that are cracked, broken or displaced. The pipe lining cures in place and can be used to repair pipes made from clay, cast iron, PVC, HDPE or concrete.

Will concrete seal a leaking pipe?

0:055:46Fix Leaks Around Waterline, Pipe and Penetrations in a Concrete ...YouTubeStart of suggested clipEnd of suggested clipThis kit works by completely filling the gap around the pipe that is leaking high to stop 300MoreThis kit works by completely filling the gap around the pipe that is leaking high to stop 300 polyurethane expands and tightly binds to both the pipe and the concrete.

How do you fix PVC pipe in concrete?

0:121:33EASILY Repair Broken PVC Irrigation Pipes (UNDER CONCRETE)YouTubeStart of suggested clipEnd of suggested clipSo it was really impossible to get to and i didn't want to cut up the concrete. So in terms of theMoreSo it was really impossible to get to and i didn't want to cut up the concrete. So in terms of the pipe i'm dealing with schedule 40 three quarter inch. And what i did was i got a piece of blue. Pex.

How do you repair copper pipe under slab?

1:526:52Unique repair solution for underslab water leak - YouTubeYouTubeStart of suggested clipEnd of suggested clipWithout getting into how one would notice and locate and evaluate a under slab leak I would justMoreWithout getting into how one would notice and locate and evaluate a under slab leak I would just show you how to repair a large section of copper tubing in one shot and within just a few hours.

How do you know if a pipe has burst in the ground?

If you notice the following signs, you might have an underground water leak in your home:Noticeable drop in water pressure when using plumbing appliances.Hissing or splashing noises.Dirty or rusty water (although this could be due to another problem)An increase of mold or water-loving insects in your home.More items...•

How do you fix a broken PVC pipe outside?

1:162:33How to Fix Broken PVC Pipe Leak - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd the outside of that pipe with something like this which is the Christie's purple primer. AndMoreAnd the outside of that pipe with something like this which is the Christie's purple primer. And then we'll apply a wet and dry glue. So the glue I've got here is a quick repair or a quick set glue.

How do you seal an underground water leak?

1:092:46PipeFuze - Fix Underground Leaks Without A Shovel - YouTubeYouTubeStart of suggested clipEnd of suggested clipAgain you can see the valves open and we pour in Part A now Part A is gonna take a while but it'sMoreAgain you can see the valves open and we pour in Part A now Part A is gonna take a while but it's consists of some solids. And a polymer to actually go in block the leak and actually seal the leak.

What is the best sealant for leaking pipes?

The following list looks at the best pipe thread sealant for a number of applications.BEST OVERALL: Gasoila – SS16 Soft-Set Pipe Thread Sealant with PTFE.BEST BANG FOR THE BUCK: Dixon Valve TTB75 PTFE Industrial Sealant Tape.BEST FOR WATER: Oatey 31230 Pipe Joint Compound with PTFE with Brush.More items...•

How do you seal concrete around a pipe?

To keep these unwelcome visitors out of your home, seal around all pipes with QUIKRETE® Hydraulic Water-Stop Cement or QUIKRETE® Quick-Setting Cement. They are specially formulated so they can be sculpted to fit securely around pipes for and effective, watertight seal.

How do you cement around a pipe?

Pour a 2-inch thick layer of gravel over the base of the trench. ... Mix enough concrete to fill the area you require using water and "hydraulic" cement powder; prepare the mix in a large, plastic container. ... Install a closet flange around the PVC pipe to add structure and to provide an anchor.More items...

Broken Pipe Under Concrete

We had a customer call us with a pretty unique situation. Recently they had an entire patio built with decorative stained concrete. In the process of doing that, the issue was, they nicked the waterline underneath this concrete driveway and patio.

How do you fix a broken pipe under concrete?

We were able to help them out with directional drilling. So what is that? It allows us to have 2 different points of entry. We started by the water meter where it was just a small hole there and a small hole at the house.

Is directional boring cost effective?

This is an immense savings when it comes to a very delicate manicured yard. Not only does it lower your overall, the directional drilling plumbing part may be a little bit more expensive than trenching, but you’re not left with a big dirt pile in the middle of the yard. You’ve got the same landscape that you started with.

Can you run water pipes in a concrete floor?

During the initial building of a home that has a concrete slab foundation and basement level, any plumbing that runs under the home must be put in before the concrete is poured, since the plumbing runs in the dirt, not within the actual concrete.

Can you run a gas line under a concrete slab?

It can be any material you desire. As long as it is at least 12″ above the ground you can run it almost any way you want to.

How is plumbing run in a slab home?

During the plumbing slab construction, the pipes are buried in gravel or sand beneath the slab and are (obviously) difficult to access. The plumbing through slab isn’t easy to reconfigure once placed. Modern homes are more likely to have a moisture barrier that protects a concrete slab.

Can I bury PVC pipe in concrete?

You can, but it would be wise to bury the pipe in sand or pea-gravel under the slab to be poured. Not a great idea to embed the PVC pipe directly in the concrete, because of the old (and well established reliable) saw “ concrete cracks”.

Is it OK to bury copper pipe in concrete?

Concrete in direct contact with copper would corrode it. 15mm copper pipes will need to move as they expand / contract with the heat produced. Think about using plastic push fit pipes instead Run them in a plastic waste pipe.

Do gas pipes run underground?

The materials for running a gas line underground are so readily available now and you as a home owner are allowed to do gas piping for your own home. And this is true in almost all counties in the USA. Not sure about countries other than the USA. Just call your local building department if you have one and verify.

Can you build a structure over a gas line?

Please be advised that building a structure over – or too close to – a natural gas pipeline is a safety hazard and an unacceptable building practice that may be in violation of federal pipeline safety regulations.

Why are repaired pipes so expensive?

Repaired pipes that are embedded in concrete and located behind masonry can be expensive because the plumber has to dig or drill through the surface in order to reach your pipes.

What happens when water is poured through copper pipes?

If the water flowing into the building through the copper pipes is acidic or contains a lot of dissolved solids, the acidic nature of the water can corrode the copper pipes, creating pits, cracks and holes.

What is epoxy in water pipes?

As the epoxy moves through your potable water pipes, it coats the entire internal diameter, sealing small cracks and pinhole leaks. Once it is cured, the epoxy forms a barrier between the water and the pipe, which prevents future corrosion and extends the useful lives of your copper plumbing pipes. To learn more about how our trenchless technology ...

What is epoxy coating for concrete?

For potable water pipes, we generally use epoxy coatings. This is a thick, viscous liquid that is blown through your copper water pipes.

What is the best pipe for underground water?

Copper pipes are the go-to option when it comes to installing underground water lines. This is because the copper pipes generally last 50 years or more. It is resistant to corrosion. It has anti-bacterial properties, and it is an economically and environmentally sound choice for potable water supply lines. This means that your building may have ...

Is copper pipe safe to use?

Hazards of Corroded Copper Pipes in Concrete Slab. While copper is a safe material to use for potable water pipes, once the pipes start to corrode, it can affect the quality of the water. Signs of corroded copper include stained laundry, metallic taste and greenish-blue stains around water fixtures. Other major hazards include: Foundation Damage.

Can copper pipes corrode?

Copper Pipe Corrosion. Unfortunately, just because copper is resistant to corrosion, it doesn’t mean copper can’t corrode, especially if it’s installed underground or inside concrete slabs. The number one cause of copper pipe corrosion is the water itself. If the water flowing into the building through the copper pipes is acidic or contains ...

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