How do you tie a cast iron pipe?

Tying in to cast iron with PVC is a great way to add new waste lines. First, fabricate your PVC wye fitting. Using a regular wye, cut two lengths of PVC that will slip into the ends of the wye fitting and hold the no-hub fittings that attach the PVC to the cast iron. Measure the length of the assembly, and add 1/4 in.

  1. Step 1: Clean Away Corrosion. If water or a bad smell comes from an old leaded joint, use a cold chisel and hammer to gently tap the lead back into the joint.
  2. Step 2: Fill with Repair Paste. Fill the resulting void with cast-iron pipe repair paste.
  3. Step 3: Fill Any Holes.

Secondly, can I attach PVC to cast iron? First cut your PVC pipe so it is longer and can be inserted a good 6 inches into the cast iron pipe without restricting any other flow in the system. Place the rubber union on the PVC Pipe and then insert the PVC pipe into the center of the cast iron pipe. Now tighten down the hose clamps to make the connection.

Besides, should I replace cast iron waste pipe?

In residential use, castiron pipes should last 50-75 years. There are factors that can speed up deterioration, but the typical castiron sewer should reach this age before it needs replacing.

How do you fix a leaking cast iron pipe?

  1. Turn off the water supply to the pipe.
  2. Clean the repair area by removing rust with a wire brush and dusting away debris with a clean rag.
  3. Fill the leaking area with a cast iron repair paste applied with a putty knife.
  4. Let the area dry before letting water or waste reenter the pipe.

How is pipe size measured?

Measure the Outside Diameter (OD) of your pipe or pipe fitting: Wrap a string around the pipe. Mark the point where the string touches together. Use a ruler or measuring tape to find the length between the tip of the string and the mark you made (circumference) Divide the circumference by 3.14159.

Can you cut cast iron with angle grinder?

A circular or miter saw with a metal cutting blade. The angle grinder is probably going to be your best bet for making cuts in the cast iron piece. The grinder offers the best option for getting the cuts where you want them and keeping them relatively smooth.

What is oakum made of?

In modern times, the fibrous material used in oakum comes from virgin hemp or jute. In plumbing and marine applications, the fibers are impregnated with tar or a tar-like substance, traditionally pine tar (also called ‘Stockholm tar’), an amber-coloured pitch made from pine sap.

Are cast iron pipes bad?

While it can be more brittle than pure iron, it is extremely durable and can withstand high amounts of pressure. The downside of cast iron pipes is that they are susceptible to corrosion (rust), which causes 25% of pipe failures. Depending on the environment, corrosion can damage pipes in as little as 25 to 40 years.

How do you unscrew an old pipe?

Spray lubricant on the outside of a corroded joint and give it time to seep into the joint and dissolve rust on the threads, which usually takes about five to 10 minutes. Grip the fitting you are trying to separate with one pipe wrench; grip the pipe to which it is attached with another.

How much does it cost to replace cast iron pipes?

Cast Iron Drain Pipe Replacement Cost. Replacing your pipes can cost you $200 to as much as $15,000. This range depends on the size of the project, materials used and labor. Some jobs require extensive cutting into walls or flooring, which can dramatically increase the labor time.

How do you remove solder from cast iron pipe?

Cut a vertical slot in the lead with a hack saw or sawzall then pry it off with that beat up old screwdriver you have that you always use as a chisel. Once you have the lead cut down to the cast iron it will peel right off. If you scratch the cast iron a little it won’t matter.

How do you remove black iron pipe?

Turn off the water or gas before you begin. Cut through the pipe on one side of the fitting with a reciprocating saw and a metal-cutting blade. Make another cut in the pipe about 3/4 inches from the first and remove a section so you’ll have clearance to back the pipe out of the fitting.