Can concrete touch PVC pipe?

Pack the concrete around the PVC pipe to prevent air gaps. Wear protective gloves. Pack the layer directly underneath the PVC pipe; it should be packed tight to create a solid, firm foundation and to prevent cracking during temperature fluctuations.
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Does concrete react with PVC?

A. According to Bernard Erlin, the principal chemicals in concrete that could conceivably attack plastics are calcium hydroxide, sodium hydroxide and potassium hydroxide. Erlin cites a table from Handbook of Chemistry and Physics stating that rigid PVC has excellent resistance to strong alkalies.
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Does concrete damage PVC pipe?

If the pipe is totally encased in concrete small surface cracks would not affect. If the cracks go all the way through, like a total crack in a foundation, it could also damage the pipe. If the concrete has shifted along the crack line then the pipe is going to be damaged.
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Can concrete touch PVC?

It's not best practice, which is to keep plumbing below the slab to prevent cracking of the slab and damage to the plumbing from fasteners, etc. Concrete doesn't approach the high temperatures necessary to warp or soften PVC.
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How deep should drain pipe be under concrete?

You will find your sewer lines 12 to 24 inches below the concrete slab in a slab house. All homes require a foundation to help support the weight of the house. A slab house uses a concrete slab as its foundation.
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Ever Wonder How PVC Pipes Break Under Your Slab?



Can PVC pipe crack?

PVC pipe is both durable and flexible and generally does not form cracks under normal service operation. However, with improper use or installation, or in extreme environments, PVC can crack.
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Where are pipe sleeves required?

Chilled Water and Cold Water: Sleeves are generally required for all piping 2" and larger penetrating walls and floors. Steam, Condensate, Heating Hot Water, and other hot insulated piping: Sleeves are required for all piping in walls and floors.
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Can CPVC be encased in concrete?

CPVC can be installed under slab, underground or encased in concrete.
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Can you put a concrete slab over a sewer line?

Can I build over my sewer junction? No - If you wish to build over a section of sewer main that contains a sewer junction, you will need to arrange a new junction to be “cut-in" clear of the proposed building.
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Can PVC conduit be buried in concrete?

PVC conduit is used in and under concrete slabs. Installing conduit under or in concrete slabs protects the wires from the weight and corrosion of the cement. It also allows future expansion of the electrical system by pulling additional wires through the conduit.
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Does plastic bond with concrete?

To securely join the porous, hard concrete with the non-porous, often flexible plastic, use an epoxy glue that's ideally suited for work with both.
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Can you pour concrete over drain field?

Paving Over Your Septic Tank

You should never pave over your septic tank. Although soil compaction is not a major issue for septic tanks, there are other dangers presented by placing an insecure septic tank underneath concrete and heavy vehicles.
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How deep should PVC pipe be buried?

If the pipelines will be utilized often, the least amount of cover they should have is 24 inches. For low traffic applications, 12 to 18 inches is sufficient.
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Does plumbing go in before foundation?

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.
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How far should plumbing below slab?

If you have a nominal 6-inch concrete slab on top of 6 inches of crushed stone, you should start the invert 1 foot, 6 inches below the slab. This allows the plumbing contractor enough depth to bury the pipe in the rough grade and out of the way of nominal traffic to spread the crushed stone.
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How do you seal a pipe through foundation?

Polyurethane Seals for Foundation Pipe Penetrations

The preferred method is to inject the gap around the pipe with high-viscosity polyurethane. This polymer can be used on both wet and dry materials, and it can work its way into small hairline cracks to make a more powerful bond.
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How do you attach PVC pipe to concrete wall?

  1. Measure every 24 inches up the length of the PVC pipe. ...
  2. Drill through both hole marks for each clamp placement.
  3. Place one wall anchor in each drilled hole. ...
  4. Place the PVC conduit clamp over the holes and drive one 1 1/2-inch screw through each hole. ...
  5. Locate the wall studs along the location of the PVC pipe.
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Can you run water pipes in a concrete floor?

As far as I know, a pipe layed in concrete must have room for expansion(more than one way to achieve that)and must be continuous(no joints), so there are just two. No application doesn't mean you can do things how you like.
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