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Disinfection in Marupe

A rapidly built suburb: many new houses carrying construction moisture, and a large logistics and warehousing segment.

What we do in Marupe

Premises disinfection, mould removal, odour removal and ozone treatment. Properties include detached and terraced houses, newer apartment developments, offices, warehouses and logistics units. We travel from Riga; we have no base of our own in Marupe.

Marupe's profile differs from the older towns of the region in one significant way: much of the building stock is new. That changes what we look for first at an inspection — in a new house the cause of damp is usually not an ageing structure but the construction itself and the ventilation regime.

Construction moisture in a new house

Concrete, screed and render go on giving off water long after a building goes up. Add very tight windows and a mechanical ventilation system that has not been commissioned, or has been switched off altogether, and the water vapour has nowhere to go — so it condenses on the coldest surfaces: window frames, external wall corners, the space behind furniture.

1The first heating seasonCondensation on the windows in a new house's first winter is not automatically a defect. But if it continues into the second and third season, it is no longer construction moisture and the cause has to be looked for elsewhere.
2The heat-recovery unitA system switched off or left dirty in a new house produces exactly the same result as a bricked-up ventilation duct in an old one. We check whether it runs and when the filters were last changed.
3Terraced houseWalls shared with neighbours, a shared roof structure and often part of a shared ventilation arrangement. A symptom in one unit can mean a problem next door.

If the damp is construction moisture, treatment is not the first step — airing and drying are. Honestly: sometimes, after an inspection, we advise waiting out the season and doing no treatment at all. More: causes of mould and private house treatment.

In a new house the first thing to establish is whether the ventilation works — otherwise treatment is a temporary fix.

Warehouses and offices

Proximity to the airport and the major road junctions has given Marupe a broad commercial and logistics estate. There the work differs from a residential job entirely:

What we establish first

  • The floor area and the ceiling height.
  • The downtime window — when the site can be left empty.
  • What stays in the space: goods, packaging, equipment.
  • Whether paperwork is needed for the records.

What we cannot promise

  • An exact price for a large site without an inspection.
  • Work during business hours with people in the space.
  • That treatment will cure a roof leak or condensation on a cold structure.
  • Arrival within a set number of minutes.

On commercial premises the price is by area, so the per-square-metre rate in a large warehouse is lower than in a small office. In more detail: warehouse treatment and office treatment.

Low ground and ditches

Marupe's territory shades from dense suburban blocks into village and rural parts, and the developed areas carry land-drainage ditches and lower-lying ground. For a specific property that yields a few things to check — not an assumption that the problem is everywhere.

  • Where rainwater from the roof goes and how far from the foundations it ends up.
  • Whether the plot sits lower than neighbouring plots or the road.
  • Whether the land-drainage ditch at the boundary is clear and working.
  • Whether there has already been water on the basement or plant room floor.

An address within one municipality does not mean identical access conditions: in the newer districts the local street network tends to be narrower and differently surfaced, so please tell us whether the approach to the property is hard-surfaced.

Access on logistics sites and in the new districts

In Marupe access changes the planning of the work far more than distance does. In the logistics and airport approach zone a site usually has a controlled regime: a pass, registration at the gate, a designated entry point and an escort. That is arranged in advance — assuming it can be sorted out on arrival costs a good part of the downtime window.

  • Who issues the pass on site and how long before the work it has to be requested.
  • Whether there is a designated entry point and whether a vehicle with equipment can be brought up to the building.
  • Whether the site requires a safety briefing before work starts.
  • In the new residential districts — whether the approach is hard-surfaced and whether the street is closed for building works.
  • Whether the work can be done after hours or at a weekend, when the site is empty.

At peak times the load on Karla Ulmana gatve and the ring road is high, so we plan the start of work as a time window rather than to the minute. We do not promise arrival within a set number of minutes.

How the work goes

Age and type of property

For a new build, a terraced house and a warehouse the inspection starts from different points.

Ventilation check

We establish whether the mechanical system runs and when the filters were last changed.

Moisture readings

We measure moisture in the material at several points and compare them against one another.

Decision on scope

If it is construction moisture, we advise waiting out the season; if not, we agree the scope of treatment.

Treatment and handover

We do the work and tell you from what point the rooms can be used.

A terraced house brings one more circumstance a detached house does not have: the units are joined, and what happens in one can show up next door. If a patch appears exactly on the wall shared with a neighbour, it is worth finding out whether there is a bathroom, a utility room or a place where laundry is regularly dried on the other side of it. Treatment on your side will remove the growth, but it will not change a source of damp that sits behind the wall.

Flats in the newer developments

The most common question there is condensation on windows and in corners during the first seasons. There it is worth establishing first whether the ventilation system is switched on at all and in what mode it runs — in many cases it has been turned down to the minimum to save money, and that is exactly what creates the problem.

What we do not do

We do not install or commission ventilation, fit insulation, lay waterproofing or carry out building works. In a new house those tend to be the real answer, and we say so even when it means treatment is not needed. We also do not assess the condition of load-bearing structures — if the damage goes deeper than the finishes, we advise bringing in a structural specialist.

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 pages: Olaine and Riga. All prices →

Related pages

Frequently asked questions

The house is new, but there is condensation on the windows and a patch in the corner — is treatment needed?

Not always right away. In a new building's first heating season construction moisture is still coming out, and then the answer is airing and commissioning the ventilation, not treatment. At the inspection we measure the moisture and tell you whether it makes sense to work now or to wait.

Do you treat warehouses and logistics sites?

Yes. There the price is by area, and we plan the work around the downtime window — usually outside business hours. An inspection is needed before a quotation, because what stays in the space matters too.

What is the call-out surcharge to Marupe?

Within Riga travel is included in the price; outside Riga there is a surcharge depending on distance. We give the exact figure once we have the address. Please also mention whether the approach to the property is hard-surfaced — in the newer districts the street network tends to be narrower.

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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