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TRENCHLESS *STRUCTURAL * 50-YEAR LIFE
SPRAY LINING – A SEAMLESS COATING INSIDE YOUR PIPES. NO DIG.
Polymeric spray lining applies a fast-curing epoxy or polyurea coating directly to the inside walls of your pipe using a centrifugal spray head. Perfect for small-diameter drains, vertical stacks, and complex routings where a felt CIPP liner can’t fit.- Works on small diameters (¾” to 6″) & vertical stacks
- Seamless, jointless protective coating
- Most residential jobs are done in one day
- Cures fast — most lines back in service the same day
Always On Time & On Budget. Licensed · CSLB- #1090875
TRENCHLESS COATING
FREE SPRAY-LINING QUOTE
Camera inspections & flat-rate replacement quote – no obligation.OR
WHAT IS SPRAY LINING?
THE BASICS – WHAT IS IT?Sometimes called “polymeric pipe coating” or “brush coating” — the trenchless option for pipes too small or too twisted for CIPP.
Spray lining is a trenchless pipe rehabilitation method in which a polymer — typically epoxy, polyurea, or polyurethane — is applied directly to the interior wall of a pipe using a centrifugal spray head. The spray head is pulled through the pipe at a controlled speed, distributing a uniform coating that bonds to the pipe wall as it cures.
Unlike CIPP, which uses a felt or fiberglass tube saturated with resin, spray lining adds no liner — just the cured coating itself. That makes it especially useful in small-diameter pipes (down to ¾ inch), vertical pipe stacks, and pipes with bends, fittings, and tight routings that a soft CIPP tube can’t navigate.
Spray lining seals pinhole leaks, prevents future corrosion, and creates a smoother flow surface. Most coating systems cure in 1 to 4 hours, allowing same-day return to service.
HOW SPRAY LINING IS APPLIED.
OUR PROCESS · STEP BY STEP01
Camera & Clean
Camera inspection confirms spray lining is the right call. Pipe is then mechanically descaled and dried — coating bonds to a clean, dry surface only.
02
Air-Test & Prep
Pipe is air-tested for active leak path. Connections and openings are isolated to ensure coating goes only where it’s supposed to.
03
Centrifugal Spray
A spray head — pulled through the pipe at controlled speed — applies a uniform polymeric coating to the interior pipe wall. Multiple passes if specified.
04
Cure & Verify
Coating cures (1–4 hours depending on chemistry). Final camera pass confirms full, seamless coverage. Line returned to service.
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WHEN SPRAY LINING WINS
DIAGNOSTICS – DO YOU NEED THIS?Spray lining isn’t for every job — but for these scenarios, it’s often the only trenchless option that works.
IDEAL SPRAY-LINING SCENARIOS:
- Pipes under 3″ diameter (too small for felt CIPP)
- Vertical stacks where felt liners won’t drape
- Pinhole pressure-line leaks on copper
- Complex routings with multiple bends
- Galvanized steel pipes with rust-pitting
- Pipes inside walls or tight chases
- Building drains needing corrosion barrier
- Multi-unit DWV stacks in apartments / condos
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SPRAY LINING vs. CIPP LINING
COMPARE – SIDE-BY-SIDE| FACTOR | SPRAY LINING (COATING) | CIPP LINING |
|---|---|---|
| Best pipe diameter | ¾” – 6″ | 2″ – 12″+ |
| Vertical stacks | Holds its shape | Any Condition |
| Bends & fittings | Handles them well | Limited to 90° max |
| Structural value | Coating only | Standalone new pipe |
| Service life | 10–50 years (chemistry-dependent) | 50+ years |
| Cure time | 1–4 hours | 1–6 hours |
| Typical use | Pressure lines, vertical drains, copper | Main sewer laterals |
| Cost (per linear ft) | $60 – $180 | $90 – $250 |
WHY CHOOSE ROOTER KING FOR PIPE BURSTING?
Centrifugal Spray Rigs
We own the calibrated spray heads — pulled through your line at precise RPM and speed for an even coat.
NSF-Listed Chemistries
We use only NSF-listed, sewer- and potable-rated polymeric coatings. No untested resin systems.
Pre/Post Camera
Every job documented with before-and-after camera footage delivered to you.
Same-Day Cure
Most coatings cure in 1–4 hours — drains usable by evening in nearly every case.
Flat-Rate Pricing
One quote, locked. We’ll beat any other written spray-lining estimate.
Workmanship Warranty
Coating failure from installation defect — we re-do it free. In writing.
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SPRAY LINING (PIPE COATING) FAQS
What is spray lining?
Spray lining is a trenchless pipe rehabilitation method in which a polymer coating — typically epoxy, polyurea, or polyurethane — is applied directly to the inside wall of a pipe using a centrifugal spray head pulled through the pipe at controlled speed. The coating bonds to the pipe wall and cures into a seamless protective barrier.
How is spray lining different from CIPP?
CIPP uses a felt or fiberglass tube saturated with resin to create a structural “pipe within a pipe.” Spray lining adds no tube — just the cured coating itself. That makes spray lining usable on smaller diameters, vertical stacks, and tightly-routed pipes where a soft CIPP tube can’t fit.
What pipes can be spray-lined?
Spray lining works on copper, galvanized steel, cast iron, PVC, ABS, and clay pipes, in diameters from about ¾ inch up to 6 inches. It’s especially well-suited to vertical DWV stacks, copper pressure lines with pinhole leaks, and pipes with multiple bends.
How long does spray lining last?
Depending on the coating chemistry, polymeric spray lining typically lasts 10 to 50+ years. Two-part epoxy systems and polyurea coatings are at the high end. We’ll match the right chemistry to your application — and put the manufacturer’s expected life in writing.
Is spray lining structural like CIPP?
No — spray-applied coatings are primarily a corrosion and leak barrier. They reinforce the existing pipe wall but don’t function as a standalone structural replacement the way a cured CIPP liner does. For structural rebuilds, CIPP or pipe bursting is the right call.
How long does the application take?
Most residential and light-commercial spray-lining jobs are completed in a single day, including camera, prep, application, and cure. Drains are typically usable by evening.
Can spray lining fix vertical stack leaks?
Yes — vertical drain and waste stacks are one of the best applications for spray lining. The centrifugal spray head applies an even coat regardless of orientation, where a felt CIPP liner would drape and bunch.
Small Pipes, Vertical Stacks, Big Solution.
Trenchless polymeric coating where CIPP can’t go. Free camera inspection. Flat-rate quote. We’ll beat any written estimate. Call now.