Pre-Lining Pipe Jetting
Pre-lining pipe jetting is the meticulous cleaning a sewer line must undergo before a cured-in-place liner is installed. The liner's resin bonds to the pipe wall — so grease, scale, roots, and debris must be completely removed first. Skipping this step is the top cause of liner failure. FlowFast connects you with an independent local plumber who does lining preparation properly.
- Connected with an independent local pro — never a call center queue.
- Part of our Hydro Jetting Drain Cleaning services — explained up front.
Parent service
Hydro Jetting Drain CleaningStubborn clogs that snaking can't clear? How hydro jetting works, when it's the right call, and how to get connected with an independent local plumber.
View all Hydro Jetting servicesA cured-in-place liner is only as good as the surface it bonds to. The resin-saturated sleeve hardens against the inside of the old pipe, and anything between resin and pipe — grease films, mineral scale, root fragments, loose debris — becomes a weak spot where the liner can delaminate, wrinkle, or fail to seal. That is why reputable lining contractors treat pre-cleaning as a separate, non-negotiable phase: the line is jetted until the camera shows bare, sound pipe wall from end to end, and only then does the liner go in.
Pre-lining jetting is more demanding than a standard cleaning. Roots must be fully shredded and flushed, heavy scale descaled, and every inch verified on camera — because once the liner cures, there is no going back to clean underneath it. If the camera reveals sections too damaged to host a liner, that discovery happens now, before money is spent on resin. FlowFast Plumbing is a referral service — we connect you with an independent local plumber who understands that lining preparation determines lining success, and who will show you the clean-pipe footage before proceeding.
Warning signs
Signs you need this service
- You have been quoted for CIPP lining and want to confirm the contractor's preparation standard before approving.
- A camera inspection ahead of lining shows roots, scale, or debris that must be removed for the liner to bond.
- A previous lining failed — delamination or poor sealing often traces back to inadequate pre-cleaning.
- The lining contractor's quote seems to skip or minimize the cleaning phase, which is a red flag worth a second opinion.
What to expect
The process, step by step
The pro cameras the full line to catalog everything the liner must bond to — or that would prevent bonding.
Roots are shredded with cutting nozzles, scale is descaled, and grease and debris are jetted completely out.
The line is re-cameraed inch by inch to verify bare, sound pipe wall along the entire lining run.
You review the clean-pipe footage — the proof the line is ready — before the liner installation is scheduled.
Prevention
How to avoid this problem
- Keep the lined section's maintenance in mind after installation; even liners benefit from periodic inspection.
- Address root sources near the line before lining so new growth does not test the liner's seals.
- Choose lining contractors who document their pre-cleaning on video — thorough prep is the mark of quality work.
Frequently asked questions
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