Mould on ceilings, in washrooms, cold rooms, storerooms and behind equipment. The moisture source is found first, the area is contained, and growth is cleaned off hard surfaces or the porous material it's in is removed.
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The scope
The scope names each affected area, the material, whether it's cleaned or removed, and the moisture source that has to be fixed for the job to last.
Every mould job
To keep it away
How we do it
Source first
Mould grows where something stays damp: a roof leak, a shower without enough extraction, condensation in a cold room, a slow drip behind equipment. We find the likely source and report it with photos. If it isn't fixed, the clean won't last, and the record says so.
Hard or porous
Tile, glass, metal and sealed surfaces can be cleaned. Plasterboard, ceiling tiles, carpet and other porous materials with growth right through them usually have to come out, because the growth goes below the surface. Bleach fades mould on porous material but doesn't remove it.
Contained
Larger areas are sealed off with plastic sheeting before work starts, and air-conditioning returns in the area are closed off. Loose growth is taken up with HEPA vacuums, never brushed or blown. Waste is bagged inside the work area and sealed before it leaves.
In and out
Time-stamped on arrival and when the visit closes.
Ticked
Each area marked done against the scope you signed off.
Photographed
The areas that matter, finished. Faults flagged with a photo.
Questions
Only if the moisture does. That's why the source is found and reported first. If a roof leak, poor ventilation or condensation isn't fixed, mould will grow again, and the visit record notes the source so the repair can be followed up.
Not usually for visible growth: if you can see it, it needs cleaning or removing. Where people have health complaints, or the extent is unclear, an independent occupational hygienist can test air and surfaces and set the clearance. We work to their report.
No. Spraying fades the colour but leaves the growth, and on porous materials it comes straight back. Mould is physically taken off hard surfaces, and porous material with growth through it is removed.
Yes, with food-safe products and the room out of use. Cold rooms grow mould on door seals, shelving and ceiling panels where condensation sits. The clean is booked when stock can be moved, and split seals are reported for replacement.
Small areas can usually be done with the room closed. Larger areas are sealed off with plastic and the air-conditioning to that space is closed off, so spores don't move through the building. The scope says what's out of use and for how long.
We'll come out to scope it: the growth, the material it's on and where the moisture is coming from. Then a written scope covering the source, the clean and the check.