A newly finished building is dirty in a way an occupied one never is. Cement haze on the tiles, paint spots on the glass, plaster dust settled into every track and grille, silicone smears, adhesive labels on the sanitaryware, and a fine grey film that returns twice after you think it has gone. This is not ordinary dirt and it does not yield to an ordinary clean. Post-construction cleaning is a project with a beginning, a middle and an end, and the buildings that are handed over properly are the ones whose owners treated it as such rather than as extra labour asked of whoever was nearest on the last day.
The stakes are practical. DailyNews reported that facilities management is growing in Botswana as organisations focus on the upkeep and life of their buildings, and at the World Facilities Management Day event in Gaborone on 15 May 2025 Ms Kesegofetse Mganga, operations manager at Dikago Facilities Solutions, said good facilities work “did not only create jobs, but also extended the life of buildings”. A build that is commissioned dirty starts that life on the back foot: grout stained before anyone moves in, drains already blocked with construction silt, warranties strained by damage that a careful clean would have caught. Four phases prevent that.
1. Scope and survey
Before a price is discussed, someone competent walks the site and writes down what is actually there: floor areas and finishes, the number of windows and their access, how much debris the builders have left, whether water and power are connected, and which surfaces are delicate. This survey is the difference between an honest quote and a guess. It also flags the hazards – offcuts, exposed fixings, wet paint – that decide what protective wear the crew needs. A clean scoped from a drawing rather than the site itself is a clean that will run over on time and under on standard.
2. The rough clean
The first pass is bulk removal, not finishing. The crew clears building debris, offcuts and packaging, sweeps and vacuums the heavy dust from floors, ledges, ducting and light fittings, and takes down the worst of the surface grime. Getting this dust out before wet work matters, because water on cement dust makes a paste that is far harder to lift than the dust was. This phase is dirty, physical and fast, and it is where most of the volume of the job is actually done. Skipping properly to detailing over an un-roughed site simply spreads the dust around at a higher hourly rate.
3. The detail clean
Now the site is worked surface by surface. Cement haze comes off tiles, paint and silicone off glass, adhesive and labels off basins and windows, and every track, hinge, skirting and switch plate is done by hand. Windows are cleaned inside and out, floors are washed and, where needed, buffed or sealed, and sanitaryware is brought to a move-in standard. This is the phase clients picture when they imagine “the clean”, but it only works because the first two phases prepared the ground. The commercial cleaner The Specialists describes exactly this kind of surface-by-surface finishing – windows, floors and ablutions – as the core of a professional commercial clean.
4. Completion and sign-off
The job is not finished when the crew is tired; it is finished when someone accepts it. A final walk-through checks the site against the scope agreed in phase one, a short list of any missed items is issued with the person responsible named against each, and those are corrected before the crew stands down. Only then is the clean signed off. This handover is the point of the whole exercise: it converts effort into an accepted, documented result, which is what a builder needs before a client’s own defects inspection begins.
Getting this handover right matters beyond appearances. A building contract usually carries a defects liability period, during which the contractor must return to fix faults that emerge after occupation, and a clean site is what makes an honest defects inspection possible in the first place: chips, cracks and poor finishes hide under dust and paint spatter, and a client who inspects a dirty building either misses faults they are entitled to have put right or blames the cleaners for damage the builders caused. A documented, signed-off clean draws a clear line between the two. It records exactly what state the building was in when it changed hands, which is as much a contractual convenience as a cosmetic one.
Commission it, do not improvise it
Read as a sequence, the four phases are also a way to buy the work. This is the shape an introduction platform gives a project. On Kleana, which operates in Botswana, South Africa, Zimbabwe and Zambia, a project runs from a scoped brief to an assembled, managed crew with one lead, and the client can choose that lead and crew from listings that state a verification tier – identity sighted and a former employer called, or simply declared – so the checking is visible rather than assumed on a job that puts strangers inside an empty, unlocked building. The scope is agreed, a quote follows it, a checked crew does the work, and one walk-through closes it.
The decisive move is to commission the clean as its own small project with its own line in the programme, rather than leaving it as the thing that happens after the real work is done. Write the scope, get the quote against it, put a named lead on the crew, and refuse to accept the building until the walk-through is signed. Do that and handover is a controlled event. Skip it and the first thing the new owner learns about their building is where the dust hides.
Source: Kleana Africa – kleana.africa
