Commercial Carpet Cleaning

Most commercial carpet needs a full professional clean every six to twelve months, with high traffic areas requiring cleaning more often than that. Entrances, lift lobbies, corridors and anywhere near a kitchen usually need attention every three to six months. The rest of a quiet office floor can often stretch to an annual clean. Vacuuming frequency matters more than most people realise. Daily vacuuming of walkways removes the grit that actually wears carpet out, and it does more for the life of the floor than an extra deep clean a year ever will. What should set your schedule is traffic and entry points rather than the calendar. A ground floor reception in a Wellington winter picks up more water and grit in a month than a fourth-floor meeting room does in a year. Carpet also fails from the door inwards, so good entrance matting pays for itself quickly. If your carpet is still under a manufacturer warranty, check the terms before you set the schedule. Some warranties require professional cleaning at stated intervals and proof that it was done.

Five things drive the price: the floor area, the cleaning method, how soiled the carpet is, how much furniture has to be moved, and when the work happens. Area is the starting point, but a lightly soiled open plan floor and a heavily soiled one of the same size are very different jobs. Furniture is the cost people forget. A floor where desks and cabinets have to be lifted, cleaned around and put back takes far longer than an empty one, so a clean timed to a shutdown, a fit-out or a tenancy change is always better value. Method changes the price too. Hot water extraction is more thorough and costs more per square metre than encapsulation or dry compound cleaning, and it needs drying time. Specialist work such as stain treatment, odour removal or flood restoration is quoted separately. Ask for the price per square metre and what it assumes about furniture and access. Two quotes for the same floor are only comparable once you know whether both include extra considerations like moving the desks.

Flood and water damage in a commercial building is a restoration job, not a cleaning job, and it needs someone on site the same day. Water extraction, lifting carpet and underlay where needed, then drying, cleaning and sanitising is the sequence. Left wet, carpet and underlay grow mould and bacteria quickly, and what began as a cleaning cost becomes a replacement cost. Speed is everything. The practical window before mould becomes a problem is short, usually counted in a day or two rather than a week, and it shrinks further in a warm building with the HVAC running. Underlay is the part that gets missed. Carpet can look dry on top while the underlay beneath is saturated, which is why it often has to be lifted rather than just extracted through. TPS provides flood restoration as part of its carpet services and runs a 24-hour emergency response service available at 0800 868 251. Call early rather than waiting to see how bad it is, because the first few hours really can decide whether the carpet is saveable or not.

Yes, and the reason is mechanical rather than cosmetic. Carpet in a commercial building mostly fails because grit tracked in on shoes works down into the pile and cuts the fibres every time someone walks over it. Removing that grit regularly is what extends the life of the floor. The improvement in appearance is a side effect. That is also why vacuuming frequency matters as much as deep cleaning. Daily vacuuming of entrances and walkways lifts out the abrasive material before it can do damage, and deep cleaning then removes what vacuuming cannot reach. Entrance matting is the cheapest intervention available. A properly sized matting system at every external door captures a large share of what would otherwise end up in the carpet, and it is usually the first thing worth fixing in a building with a carpet problem. Commercial carpet is a significant asset and replacing a floor plate means cost, disruption and often a tenancy negotiation. A maintenance programme, which TPS specialise in, is cheap by comparison.

Steam cleaning, properly called hot water extraction, injects hot water and solution into the pile and immediately extracts it along with the soil. It cleans deepest and is the best option for heavily soiled carpet, but it leaves the carpet damp and needs drying time. Dry or low moisture methods use compounds or encapsulation chemistry and leave the carpet usable almost straight away, but they do not reach as deep. The practical answer for most commercial buildings is both, used for different jobs. Low moisture methods suit frequent interim cleans on traffic lanes in a building that cannot be taken out of service. Hot water extraction suits the periodic deep clean, timed for a weekend or a quiet period when drying time is available. Drying time is the deciding factor more often than cleaning quality. In a building that has to open at eight the next morning, a method that leaves the carpet damp is not an option regardless of how well it cleans. Check the carpet manufacturer’s guidance too. Some carpet types and backings have a preferred method, and using the wrong one can affect a warranty.

As a rough guide, a straightforward open plan floor can be cleaned at a rate of many square metres an hour once furniture is dealt with, so a typical office floor is an evening’s work. Drying after hot water extraction usually takes a further four to eight hours, which is why most commercial carpet cleaning happens overnight or across a weekend. The biggest disruption saver is timing. Booking around a long weekend, a shutdown period, a fit-out or a tenancy change means the floor is empty, the crew works in a single pass and nobody is inconvenienced. Where the building cannot be emptied, the usual approach is to work in zones across several nights, or to use a low moisture method on traffic lanes so the floor is usable immediately. Staff move to a different area for a night rather than losing access to the floor. Practical things to sort in advance: who has access and alarm codes, whether desks need to be cleared of personal items, where cables and IT equipment are, and whether the HVAC can run overnight to help drying.

Yes, and it is routinely overlooked. Task chairs, reception seating, soft furnishings and fabric partitions collect the same soil, skin cells and odour as carpet, but they rarely get cleaned on any schedule. In a meeting room or a client-facing reception, tired fabric is noticed faster than tired carpet. Once or twice a year suits most office furniture, aligned to the carpet programme so it happens in the same visit. Reception and shared seating in a busy building needs it more often, and anything in a food or hospitality area more often again. Fabric type decides the method. Upholstery has to be treated according to its care code, because what is safe on a commercial grade synthetic can shrink, mark or bleed on wool, velvet or leather. A professional will test an inconspicuous area first. There is a cost argument as well as a presentation one. Replacing a floor of task chairs is a capital decision, and cleaning is a fraction of the price.

A good programme sets out five things in writing: a floor plan marking which areas are cleaned at which frequency, the method used in each area, what is included for spot and stain treatment between scheduled cleans, response times for spills and flood events, and who is accountable for the site. Zoning by traffic is what separates a programme from a standing booking. Entrances, lobbies and corridors on one cycle, general office floors on another, and quiet areas on a third, so you are not paying to deep clean a storeroom four times a year. Make sure interim spot treatment is covered. Most of the value of a carpet programme comes from spills being dealt with within a day or two rather than being left to set until the next scheduled clean. Also worth specifying: who moves furniture and what that costs, access and after hours arrangements, drying times and when the area is usable again, the products used and their safety data sheets, and a condition report so you can see how the floor is tracking year to year.

Look for two things: formal training for the technicians doing the work, and independent certification of the company behind them. In New Zealand, the recognised qualification for specialist cleaning is the New Zealand Certificate in Cleaning (Level 3) Specialist Cleaning Strand, which covers textiles, hard floors and contagion control. At company level, ISO 9001 shows a certified quality management system, and health and safety prequalification such as SiteWise or Impac Prequal shows the provider has been independently assessed.