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Disinfection in Adazi

Newer suburban stock in wooded, low-lying country near the lower Gauja — two opposite sources of damp in one place.

What we come to Adazi for

We carry out premises disinfection, mould removal, odour removal and ozone treatment. Properties include detached and terraced houses, flats in newer developments, commercial units and public buildings. We travel from Riga along the A1; we have no base of our own in Adazi.

Adazi's building stock is mostly newer than in the older towns of the region, and that changes where an inspection starts. In a new house a failed structure is rarer, and a ventilation regime that does not match how tightly the building was put up is more common.

Two opposite sources of damp

In Adazi one property can present two completely different causes of damp, and telling them apart matters, because the answers are opposites.

1Damp from insideTight windows, mechanical ventilation switched off or never commissioned, construction moisture in a new building. Water vapour stays in the room and condenses on the coldest surfaces. The answer starts with airing, not with treatment.
2Damp from outsideLow ground, water that does not drain away from the foundations, a downpipe that ends at the wall. Then the patch is low down and on one particular wall, not throughout the room.
3How to tell them apartCondensation appears in the heating season, high in corners or behind furniture; ground moisture appears low down and worsens after rain, whatever the season.

So at an inspection we measure moisture in the material at several points and compare them against one another — one reading says nothing. The mechanism in more detail: causes of mould; the property type: private house.

If the patch appears in the heating season high in a corner, it is condensation; if it appears low down after rain, water is coming from outside.

If the house was built a few years ago, it is also worth establishing whether the roof space is ventilated and whether condensation has built up on the rafter timber. It is noticed late, because people rarely go up there, and that is exactly why we look at it during an inspection.

Forest, low ground, water

Around Adazi there is wooded and low-lying country, lakes and the proximity of the lower Gauja. For a specific property that yields practical questions — not a claim that the whole area has a damp problem.

  • Whether the house stands in the shade of trees — in shade a façade dries considerably more slowly after rain, and mould appears on the north side first.
  • Whether roof water is taken away from the foundations rather than discharged at the wall.
  • Whether the plot sits lower than the road or the neighbouring plots.
  • Whether there has been water in the basement or plant room, and how often it recurs.
  • Whether autumn leaves block the sub-floor ventilation hatches.

If the house stands empty or barely heated through autumn and spring, the indoor air does not move and a smell soaks into textiles and soft furniture. Cleaning surfaces will not help then — you need treatment that reaches into the material, followed by ozone treatment in an empty space. On long-closed properties: long-vacant premises.

A house that stands empty

In the suburbs a share of properties are lived in only part of the year, or stand empty between tenants and sales. An empty, barely heated house behaves differently: the air does not move, the temperature swings, and condensation settles in the corners of unused rooms and behind furniture. The smell in such a house has soaked into the material, not the air.

If a house is going to stand empty over winter, it is worth leaving a low but constant background heat and providing at least minimal air exchange — that is cheaper than dealing with the consequences in spring. If that has not happened, the rooms have to be opened and dried before treatment; on wet material treatment is short-lived. The best moment for the work is when the house is empty and there is time to air it afterwards.

Newer stock: the ground around the house

One more thing to check: whether the ground around the house has been finished. If the yard has not yet been levelled and rainwater collects at the foundations, the result is exactly the same as a broken downpipe — only the reason is different and cheaper to put right.

What we check on the ventilation

In a tightly built house ventilation is not an extra convenience but the only route by which damp leaves a room. So in Adazi's newer stock we inspect it separately and specifically, rather than ticking it off as present or absent.

✓ What we establish

  • Whether the system is switched on and in what mode it runs day to day.
  • When the filters were last changed and whether they are accessible at all.
  • Whether there is supply air to every room, including those kept shut.
  • Whether extract from the bathroom and kitchen was blocked off during renovation.

✗ What we do not do

  • We do not install or commission ventilation systems — a ventilation specialist does that.
  • We do not clean ductwork.
  • We do not change filters or service the unit.
  • We do not assess the condition of load-bearing structures.

If it turns out the system has never been commissioned, or has been off for a long time, treatment will remove the growth but the damp will still have nowhere to go. We say that before the work, not after.

The town and the rest of the municipality

Adazi as a town and the wider municipality are not the same service area. The town's building stock is compact, but the municipality also takes in rural, forest and coastal-facing areas towards Carnikava and Kadaga. We travel there too, but the distance surcharge is higher than in the town, and the approach conditions can differ.

Address and access

Name the specific place in the municipality and whether the approach is hard-surfaced.

Age of the property

For a new and an older building the inspection starts from different points.

Inspection

Moisture readings at several points, a draught check, a look at the basement and the roof space.

Treatment

We choose the method by the material and by how the space is used.

Handover

We say when the rooms are usable and what to change so the problem does not return.

What we do not do: we do not fit insulation, repair roofs and gutters, install drainage or lay waterproofing. If an inspection shows those are the real answer, we say so — even when it means there is no work in it for us.

Prices

One-room flat from €55, two-room from €65, three-room from €75, four-room from €85, private house from €95. Commercial premises 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.

Within Riga travel is included in the price; outside Riga a surcharge applies by distance. Nearest page: Riga. All prices →

Related pages

Frequently asked questions

Do you also travel to rural and coastal-facing addresses in the municipality?

Yes, including towards Kadaga and Carnikava. The price for the work is the same; what differs is the distance surcharge outside Riga, which is higher for a more distant address. We give the exact figure once we know the address.

The house is new, but a patch has appeared in a corner — what is it?

Usually two things have to be separated: construction moisture and the ventilation regime on one side, water from the ground or the roof gutters on the other. They are told apart by where and when the patch appears. At the inspection we take moisture readings at several points and say whether treatment is needed now at all.

How much time has to be set aside for treatment if you travel from Riga?

Depending on the method and the area the rooms are out of use from a few hours to half a day, plus airing. We agree a specific time window before setting off; we do not promise arrival within a set number of minutes, because traffic loads on the A1 corridor vary.

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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