NO. you should never pour concrete on any pvc conduit or water pipes unless you wrap the pipes with a form wrap to allow expansion and contraction and any penetration thru the concrete or install a 4in or 6in sleeve under the slab to pass the pipes though.

Is it OK to pour concrete around 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. Always aim for a complete seal around the PVC pipe.

Is concrete corrosive to 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.

How do you cover a sewer pipe?

How to Cover a Sewer Pipe in the Back Yard

  1. Cover the main pipe with a couple inches of gravel. …
  2. Sprinkle grass seed over the soil by hand or with a seed spreader. …
  3. Cover the grass seed with a light sprinkling of straw. …
  4. Hide the sewer pipe access point with small shrubs or a combination of fake and natural rocks.


Can CPVC be encased in concrete?

CPVC fittings are not harmed by direct contact with concrete. Expansion and contraction are not a concern for the pipe and fittings embedded in concrete. Proper design considerations must be incorporated in the portion of the system that is not embedded in concrete.

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.

Does concrete affect PVC?

One drawback of PVC casing is that curing cement can make it soften and, worst case scenario, collapse.

Why do plumbers hate CPVC?

Over a period of time, it gets brittle and cracks and breaks and the glue joints continue to deteriorate through the pipe and go bad,” Rainaldi said. Plumbers said Florida’s heat and chlorine in the water is also bad for CPVC pipes.

Can Schedule 40 PVC be encased in concrete?

Encasing CANTEX Schedule 40 or Schedule 80 PVC Conduit in cement is similar to a direct burial installation, but there are some differences. 1. When CANTEX Schedule 40 or 80 PVC Conduit is encased in cement, the process begins the same as the direct burial process—The crew digs the trench.

How long does PVC pipe last in concrete?



approximately 100 years

As one of the most-used plumbing materials, PVC pipe is known for being very durable and long-lasting. In fact, PVC pipes last approximately 100 years.

How do you pour concrete around a drain pipe?

Quote from the video:
Quote from Youtube video: Consolidate it you don't want to make it too much soupier than this you don't want to add too much more water you don't want it to flow the more water you add the concrete. The weaker it becomes.

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.

How long do PVC sewer pipes last?

100 years

Clay pipes typically last between 50-60 years, while PVC pipes are expected to last 100 years before requiring replacement.

Can roots penetrate PVC?

While tree roots can penetrate PVC pipe, it’s more durable and does not break down as easily as other materials. Note where the trees are on your property, including the species they are.

How do you protect PVC pipes underground?



The trench bottom should be continuous, relatively smooth and free of rocks. Where ledge rock, hardpan or boulders are encountered, it is necessary to pad the trench bottom using a maximum of four (4) inches of tamped earth or sand beneath the pipe as a cushion and for protection of the pipe from damage.

Does PVC pipe get brittle with age?

PVC pipes can become brittle and fail with age.



But, PVC is an excellent option for the plumbing in your home.

How long does PVC pipe last underground?

PVC (Polyvinyl Chloride): Traditionally, PVC piping only lasts between 25-40 years. However, with recent technological advancements, PVC pipes may be able to last 70 years or more.

How long will PVC pipe last outside?

Generally, PVC will last 50 to 80 years outdoors, according to the Plastics Industry Association (source). Extreme weather is not accounted for as it is not considered general wear and tear. PVC is water-resistant and unaffected by the sun.