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Disinfection in Purvciems

One of Riga's largest residential districts, where series-built panel blocks, new-builds and commercial units stand side by side — three different jobs on one list of addresses.

What we are called out for in Purvciems

In Purvciems we come out for sanitary treatment of premises: mould removal, odour removal, ozone treatment and treatment after an event — flooding, a sewage failure, long vacancy or a change of tenants. The properties vary a lot, because the district is large: flats in series-built blocks, flats in new developments, offices and retail units along the main streets.

We have no premises and no permanent staff in Purvciems. We travel out on request and agree a specific day and time. That is why a few details help in the first conversation: the type of building, the floor, the area, the number of rooms, and whether the property can be left empty.

The address "in Purvciems" tells us almost nothing on its own — the work is set by the type of building and the floor, not by the district.

Three building types, three kinds of work

Purvciems is one of the few districts where a nine-storey series-built block, a new development next to it and a ground-floor commercial unit with its own entrance can all sit in the same block. We start each of them with a different question.

1Series-built block of flatsWe look at the panel joints, corner flats, the shared ventilation stack and whether the windows have been replaced with sealed units. The patch is usually where the wall is coldest, not where there is most moisture.
2New-buildThe building is airtight and there is practically no natural draught. If the mechanical ventilation is switched off or the filters have not been changed, moisture from the shower and the laundry stays in the flat. In the first few years construction moisture adds to it.
3Office or retail unitHere opening hours matter more than the structure. We plan the treatment outside working hours, and the area is priced per square metre rather than by the number of rooms.

In a series-built block we most often end up looking at corner flats. Two of their walls are external, heat loss is greater and the internal surface is cooler — and it is on the coolest surface that moisture in the room air condenses first. That is not a claim about the whole district, but something to check in your particular flat. More on the mechanism: mould on walls and mould removal.

Why the smell comes through the ventilation stack

In a series-built block the kitchen and bathroom ducts are in many cases joined into a shared riser. As long as the draught works in every flat, the air moves upwards. If the stack is blocked somewhere, or one flat has been completely sealed, the flow reverses in places and a neighbour's air reaches you.

✓ What to check yourself

  • Hold a thin sheet of paper against the grille — see whether it is drawn in.
  • Open a window on the vent setting and check again; if it only pulls then, there is no air supply.
  • Run water down the drains you rarely use — a dried-out trap is the commonest source of a smell.
  • Tell the building manager if the grille shows no draught in any setting.

✗ What does not help

  • Taping over the grille — the smell stays and so does the moisture.
  • Spraying air fresheners constantly; the source does not change.
  • Painting over the patch — the growth stays under the paint.
  • Booking ozone treatment before the draught has been checked.

In a case like this, ozone treatment only makes sense once the source or the draught has been sorted out — otherwise the result disappears within days. Descriptions here: smell from neighbours, ozone treatment.

A common case is sealed windows with no trickle vent. In the original design the air came in through the gaps around the timber windows and the stack drew it out. Once the windows are replaced the supply disappears and the stack stops. Technically nothing is broken — half the system has simply gone.

Courtyards, main roads and parking

The blocks in Purvciems are wide and the buildings often stand deep in the courtyard, well back from the street. Deglava, Dzelzavas and Stirnu streets carry heavy traffic, so the real question before a visit is not "where is the building" but "where can we stop with the equipment".

  • Say in your enquiry whether the courtyard has a barrier or reserved parking, and how to get in.
  • Give the block letter and the entrance number — in large estates that saves time.
  • If the work is in a stairwell, arrange it with the building manager in advance.
  • Before treatment, clear access to the external walls and empty the cupboards standing against them.

If the enquiry comes from a building manager about communal areas — a stairwell, lift lobby, refuse chamber or cellar — we plan the work for a time when there is less movement in the building, and we say in advance how long the space has to stay free. More: stairwell treatment and for property managers.

We work the same way in the neighbouring districts: Plavnieki, Teika, Mezciems. If you have several properties close together on the same day, say so straight away — it is simpler as one call-out.

What a visit looks like

In a flat in a series-built block the work is usually a half-day job. First the inspection and measurements, then stripping back the finishes where that is needed, then the treatment itself, then drying and airing. The flat has to be empty during treatment — no people, pets or plants in it.

How long the room cannot be used we tell you on site: it depends on the volume, on how much product was used and on how well the space can be aired. In a new-build with mechanical ventilation the airing goes faster than in an older block with the windows shut.

  • Move furniture away from the external walls and empty the cupboards standing against them.
  • Take pictures, mirrors and shelves off the walls in the area to be treated.
  • Have the floor, the area and the year the windows were replaced to hand.
  • Arrange who will unlock the flat if you cannot be there yourself.

Prices

Flats: 1-room from €55, 2-room from €65, 3-room from €75, 4-room from €85. Private houses from €95. Commercial premises by area: up to 100 m² €1.20/m², 100–300 m² €0.90/m², 300–1000 m² €0.70/m². Mould: inspection from €40, treatment from €1.50/m², minimum from €80. Ozone treatment €1.20/m², minimum €60.

In Riga travel is included in the price. We do not promise an arrival time to the minute — we agree a day and a time. All prices →

Related pages

Frequently asked questions

Do you have an office in Purvciems?

No. No office, no depot and no permanent staff in the district. We travel out on request and agree a day and a time. In Riga travel is included in the price.

It is a corner flat and a patch appears on one wall in winter. What should I do first?

First move the furniture away from that wall and watch for a few days whether the patch appears after showering and drying laundry. Then check the draught at the ventilation grille. If there is no draught, treatment on its own will not solve the problem — we say so at the inspection stage.

Can you work in an office or shop outside opening hours?

Yes. In commercial premises we usually plan the work outside working hours, because after treatment the space has to stay empty for a while and then be aired. The price is by area: up to 100 m² €1.20/m², 100–300 m² €0.90/m².

Not sure which treatment you need?

Describe the situation — we will tell you whether treatment is needed at all, and which one.

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