Multiple Drains Backing Up in Home-FIXED

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Our client in Lawrence (66047) was dealing with multiple slow and problematic drains throughout the home.

Kitchen drain slowing down
Laundry drain issues
Bathroom sink not draining properly
Floor drain concerns

The entire system was starting to show signs of failure.

What we found

After performing a camera inspection, we found:

Heavy buildup and corrosion inside the pipes
Sections of the drain system beginning to deteriorate
Areas where the pipe bottom had weakened

This is common in older homes with cast iron drain systems.

How we fixed it (without replacing everything)

Instead of tearing out floors or doing a full replacement, we used a trenchless restoration approach: The drain and Sewer team was able to restore the drains from the inside out, straight from access points such as this washer and dryer.

✅ Cleaned and restored the inside of the pipes
✅ Rebuilt weakened sections of pipe internally
✅ Installed access points for proper long-term maintenance
✅ Applied epoxy coating to seal and strengthen the system

Why this solution mattered

A full drain replacement would have meant:

❌ Tearing into floors and walls
❌ Major disruption to the home
❌ Higher overall cost and project timeline

Instead, we were able to:

✔ Restore the existing system
✔ Fix multiple problem areas at once
✔ Keep the home intact
✔ Provide a long-term solution with warranty

The result

Now that the pipes are epoxy coated, all the drains flow properly again. The system is restored and reinforced. No invasive demolition was required. This project was completed with a 10-year warranty-backed solution for long-term peace of mind

QNA

Q: Why didn’t you replace the cast iron drain pipes?

A: The cast iron drains still had enough structural integrity to be restored rather than completely replaced. By cleaning away the corrosion and applying multiple layers of structural epoxy, we were able to renew the inside of the existing pipes without opening walls or floors. This saved the homeowner from a much more invasive repair while providing a durable new interior surface.

Q: What drains were repaired during this project?

A: We rehabilitated several interior branch drains, including:

Kitchen drain
Laundry drain
Bathroom lavatory sink drain
Utility room floor drain

Each drain was professionally cleaned and coated with structural epoxy to restore smooth water flow and help extend the life of the existing cast iron piping.

Q: What is epoxy brush coating?

A: Epoxy brush coating is a trenchless drain rehabilitation process that restores the inside of existing drain pipes. Specialized equipment removes rust, scale, and corrosion before multiple coats of epoxy are applied to create a smooth, corrosion-resistant interior lining. The result is improved flow and a significantly extended service life without replacing the entire drain system.

Q: How do you prepare cast iron pipes before applying epoxy?

A: Proper preparation is the most important part of a successful coating. For this project we:

Protected the home with plastic floor and wall coverings.
Modified portions of the plumbing to allow equipment access.
Mechanically removed corrosion with specialized milling equipment.
Thoroughly flushed the drains.
Completely dried the piping before applying epoxy.

This preparation allows the epoxy to bond securely to the pipe walls.

Q: What happens if part of the bottom of the pipe has deteriorated?

A: During this project, one section of the cast iron pipe had a void where the bottom had deteriorated. Instead of replacing the pipe, we rebuilt the damaged section using a fiberglass structural liner and supporting aggregate. Once the pipe’s shape was restored, the remaining drain could be rehabilitated with epoxy coating.

Q: How long does epoxy brush coating last?

A: Our epoxy brush coating system includes a 10-year transferable parts and labor warranty for the completed scope of work. When properly maintained, epoxy-coated drain systems can provide many years of reliable service.

Q: Can epoxy coating prevent future rust?

A: Yes. Once cured, the epoxy forms a seamless barrier between wastewater and the original cast iron pipe. This helps prevent future corrosion, reduces buildup inside the pipe, and improves drainage performance.

Q: Is trenchless drain rehabilitation less disruptive than replacing cast iron pipes?

A: In many cases, yes. Epoxy brush coating often eliminates the need to remove flooring, break concrete, or open finished walls. Homeowners receive a restored drain system with significantly less disruption compared to traditional pipe replacement.

Q: Does Blue Duck Plumbing offer epoxy brush coating in Lawrence, Kansas?

A: Yes. Blue Duck Plumbing provides professional epoxy brush coating and other trenchless drain rehabilitation services throughout Lawrence, KS, and surrounding communities. If your cast iron drains are corroded but still structurally repairable, brush coating may be an excellent alternative to full replacement.

🚨 If multiple drains in your home are acting up…

That’s usually not a coincidence.

It’s often a sign of a deeper system-wide issue.

👉 Schedule an Inspection

Don’t wait for multiple backups to turn into a major problem.