What CIPP actually is
CIPP stands for cured-in-place pipe. A felt or fibreglass sleeve is saturated with epoxy resin, inserted into the damaged pipe, and inflated so it presses against the inside wall. The resin then cures — with heat, steam, ambient temperature or ultraviolet light depending on the system — until it is hard. What is left is a continuous structural pipe inside the old one.
The word that matters is continuous. Clay laterals fail at the joints, and a 50-foot clay run has around 25 of them. A liner has none.
Why that suits Littleton clay in particular
Vitrified clay was laid in short sections with a mortar or gasket joint every two feet. In a dry climate those joints are the wettest thing in the yard, and roots find them. Cutting the roots clears the line for a season or two and then they come back, because the entry point is still there.
Lining closes every entry point at once. It is the difference between clearing the symptom and removing the cause, and on a clay line that is still round it is usually the most economical permanent answer. More on root intrusion.
What the liner costs you in diameter
A liner takes roughly 2mm to 6mm off the inside of the pipe depending on thickness. On a four-inch lateral that sounds like a loss, but the new wall is smooth where the old clay was rough and jointed, and in practice flow capacity is maintained or improved. Where the line was already undersized at three inches, lining is the wrong tool and pipe bursting is the answer.
What stops a line from being lined
| Finding on camera | Can it be lined? | What we do instead |
|---|---|---|
| Cracked clay, still round | Yes | Line it |
| Root intrusion at joints | Yes, after cleaning | Jet, then line |
| Scaled cast iron | Usually, after descaling | Descale, then line |
| Belly holding water | No | Dig and re-bed |
| Collapsed section | No | Burst or replace |
| Orangeburg, gone oval | No | Replace |
| Hard 90-degree bend | Often not | Spot dig at the bend |
Cold weather and cure times
Resin cures slower in cold ground, and Littleton ground is cold for a good part of the year. That does not stop winter lining, but it does change the schedule. We give a cure window rather than a fixed finish time, and we would rather tell you a liner needs an extra few hours than pull it green.
Find out whether your line can be lined
One camera run answers it. You watch the screen and keep the footage.
Call (303) 555-0147Questions we get asked
How long does a CIPP liner last?
Manufacturers generally rate CIPP liners for a 50-year design life. The epoxy is not attacked by roots or by the soil chemistry that breaks down clay joints. In practice the connections at each end become the parts to watch rather than the liner itself.
Does lining reduce the size of my sewer pipe?
A liner takes roughly 2mm to 6mm off the inside diameter. On a four-inch lateral the smoother wall offsets that, so flow is maintained. On a three-inch line there is not enough to give away, and pipe bursting is the better route because it can upsize.
Can every sewer line be lined?
No. Lining needs a host pipe that still holds its shape. Collapsed sections, lines with a belly holding standing water, Orangeburg that has gone oval, and hard 90-degree bends all rule it out or need a spot dig first.
How long does the job take?
Most residential liners in Littleton are a single day on site, including cleaning the pipe beforehand. Cold ground slows the cure, so winter jobs sometimes run into a second day. We schedule a cure window rather than promise a fixed hour.
Check the host pipe first
A liner is only as good as the pipe it cures against. Shape, bends and standing water are what rule lining in or out, and all three are visible on the footage.
Platte Sewer Co. — sewer line repair in Littleton, CO. Open 24 hours.