Polyester and Olefin Carpet Cleaning: 4 Real Colorado Jobs
Short answer: Polyester and olefin carpet clean up well, but only if you treat the oil first. Both fibers resist water and grab oily soil, so plain hot water over them leaves the gray behind. I pre-spray for oily soil, work it in with a CRB or by hand, then extract with truck-mounted hot water. What cleaning can't do is undo matting or fiber wear that's already set in, and I'll tell you that before I start. I'm Mark, owner of Colorado Choice Carpet Cleaning. I've cleaned carpet across the Denver Metro for over 23 years, starting at $119 for the first 3 areas, dry in 2–4 hours.
Hundreds of 5-star Google reviews. IICRC-certified. BBB-accredited. Owner-operated. Call or text (720) 730-8055.
Why Polyester and Olefin Act Differently From Nylon
- They repel water. "Polyester fiber is hydrophobic, meaning it resists water absorption." Olefin is the same way.
- They hold on to oil. Oily soils bond tightly to polyester and resist standard hot water extraction alone. Olefin is worse: it bonds to grease at a molecular level. "Olefin repels water but attracts oil — the exact opposite of what most building owners assume."
- Olefin wicks. Moisture runs into the backing, then pulls dissolved soil back up as it dries. It can look clean when we leave and turn dingy within 48 hours if it's overwet.
- Polyester mats. It's more prone to permanent matting once traffic patterns set in. Nylon bounces back better after repeated cleanings. More on that in my nylon vs polyester vs wool guide.
So the gray lane down a polyester hallway is usually two things at once: oily soil the right chemistry can remove, and crushed fiber that cleaning can only partly lift.
Fiber by Fiber: What Goes Wrong and What I Do
| Carpet | Where I see it | What goes wrong | What I do | Real job |
|---|---|---|---|---|
| Builder-grade polyester | Late 1990s and 2000s new construction | Oily traffic lanes that hot water alone won't lift | Pre-spray, CRB agitation, hand-scrub stair edges, truckmount extraction | Copperleaf, Centennial, $349 |
| Older polyester | 1970s homes, basements | Mixed spots: paint, chalk, brick dust | Hand spotting by spot type, then extraction at 250°F | Littleton basement Airbnb |
| Dark polyester | A Castle Rock home with dogs | Hides stains but not the odor underneath | Enzyme pre-treatment, 45-minute dwell, full extraction | Plum Creek, Castle Rock |
| Olefin (polypropylene) loop | Commercial space | Oil-bonded soil and wicking | Olefin preconditioner, CRB, controlled-moisture extraction, air movers | Fitzsimons bank, Aurora |
4 Real Jobs
Copperleaf, Centennial: Builder-Grade Polyester Traffic Lanes, $349
A young family buying their first home in Copperleaf. The carpet was thin, low-pile builder-grade polyester, typical of late 1990s and 2000s construction in the 80015 corridor, with traffic lanes through the main hallway and living room from the previous owners. The stairs had a rim border on each tread that kept the CRB from running full width.
We applied Releasit pre-spray to the lanes, ran the CRB through every open floor area, hand-scrubbed the stair edges the machine couldn't reach, then extracted with the Prochem Apex GTX truckmount. Lanes cleared, pile lifted, and the carpet smelled clean throughout. $349 for the whole house. Read the Copperleaf job.
Fitzsimons, Aurora: Olefin Commercial Carpet at a Bank
A long-term bank account in the Fitzsimons Medical Center District, cleaned quarterly. The carpet is olefin, which is moisture-resistant and cheaper than nylon for big areas, but it holds asphalt residue, shoe rubber and parking lot chemicals.
Six steps every visit: pre-vacuum the dry grit, Prochem Olefin Preconditioner, CRB agitation to break the oil-fiber bond without overwetting, controlled-moisture extraction with the Apex, extra degreasing at the entries, and air movers right away to stop wicking. We work in the evening and the space is ready by morning. Read the olefin bank job.
Littleton: 1970s Polyester in a Basement Before an Airbnb
A construction company finishing a 1970s home wanted the basement rented as an Airbnb. About 750 sq ft of polyester, probably original to the house, plus a staircase, spotted red, blue and green from the renovation. About 30 minutes of hand spotting came first, each spot type treated on its own. Then truckmount extraction at 250 degrees. Polyester can handle that without fiber damage. When we pulled out, the carpet looked like a different floor. Read the Littleton basement job.
Plum Creek, Castle Rock: Seven-Year-Old Dark Polyester and Pet Urine
A customer near Plum Creek, in a 1982 house, had lost his 14-year-old black Lab two weeks earlier. The seven-year-old polyester carpet had never been professionally cleaned and had taken everything from the dog's last months, plus accidents from the two other dogs. Family was coming for a graduation.
Dark polyester hides staining but not the odor load underneath. We applied enzyme pre-treatment and let it dwell 45 minutes, the minimum for the enzyme to finish its first stage. Then the main truckmount wouldn't start. The backup truck from our Castle Rock location was at his door in 35 minutes, and we finished the full extraction. The after photos looked like the carpet had been replaced. Read the Plum Creek job.
What Cleaning Can and Can't Fix
- Can fix: oily gray lanes, spots, pet odor, residue left by a soapy cleaning. If your carpet gets dirty again fast after a cleaning, residue is usually why. See why carpet gets dirty again fast.
- Can partly fix: crushed pile. Agitation and extraction lift what will come back up; on Copperleaf the pile came back up.
- Can't fix: worn or abraded fiber. On a Ken Caryl wheelchair lane we got roughly 70–80% of the original look back; the rest was permanent fiber abrasion. That carpet was nylon, which recovers better than polyester. See the Ken Caryl job.
Berber is a construction, not a fiber, and it has its own rules. Here's how I clean loop, cut and patterned Berber.
Polyester vs Olefin vs Nylon at a Glance
| Fiber | Oily soil | Matting and wear | Key step for me |
|---|---|---|---|
| Polyester | Bonds tightly, resists hot water alone | More prone to permanent matting once traffic patterns set in | Pre-spray plus CRB before extraction |
| Olefin | Bonds at a molecular level | Wicks soil back up within 48 hours if overwet | Olefin preconditioner, controlled moisture, air movers |
| Nylon | Cleans better than polyester | Resists crushing and regains its texture better | Pre-spray, dwell, extraction |
All of it is cleaned to the IICRC S100 standard for professional carpet cleaning.
What It Costs
- $119 for the first 3 areas (a hallway counts as an area)
- $35 for each additional area
- Closets, bathrooms and landings are free
- Stairs: $4 per stair
- Pet treatment: $45 per room, with a 30-day pet stain and odor guarantee on the spots we treat
- Most furniture moving included
Dry time is 2–4 hours. Call before noon and I can usually get a truck to you the same day. Card, check or cash.
Frequently Asked Questions
Can polyester carpet be steam cleaned?
Yes. Truck-mounted hot water extraction is how I clean it, but the pre-spray and agitation come first, because hot water alone won't break the oily soil off polyester. On the Copperleaf job in Centennial, Releasit and a CRB before extraction cleared the lanes and lifted the pile for $349.
Why does my polyester carpet still look matted after cleaning?
Because some of what you see is crushed or worn fiber, not dirt. Polyester is more prone to permanent matting once traffic patterns set in. Cleaning removes the oily soil and lifts what can lift. I'll tell you before I start how much I expect to come back.
Why does olefin carpet get dirty again so fast?
Olefin repels water but attracts oil, and if it's overwet the moisture wicks soil back up from the backing as it dries. That's why I use an olefin preconditioner, controlled-moisture extraction and air movers on commercial olefin, like the bank we clean quarterly in Aurora.
Questions about your carpet? Call or text (720) 730-8055.
