Farbenhaft24 Raumgestaltung, Hückelhoven
Mould remediation work in Heinsberg
Survey, strip back, dry out, rebuild.
Where mould becomes visible, the surface is the end of a chain rather than its beginning. We survey the room, strip back the affected layers, let the substrate dry and rebuild plaster and surface. What brought the moisture to that wall is written down while we work.
- Trading since
- 2012
- Working area
- Kreis Heinsberg
- First step
- Survey in the room
- Section 01
- On to the comparison
The same room, surveyed and completed
One bathroom in Kreis Heinsberg, photographed twice. In the first photograph the tiles and plaster have been stripped back and the dark band along the upper wall marks the damp area we exposed. The second shows the room after the build up and the surface were closed again.
- 01 Stripped back Tiles, plaster and the affected layers were removed until the sound substrate lay open.
- 02 Dried and checked The open surface stayed open until it was dry, and was checked before anything was rebuilt.
- 03 Rebuilt Plaster, dry lining and surface were made good again, with clean edges and junctions.
Both photographs come from the same bathroom. The camera did not stand in the same place, which is why we show them side by side rather than sliding one over the other.
Why the water settles on that particular wall
Warm room air carries more water than cold air. When it cools against a wall surface it gives part of that water back. The temperature at which this begins is the dew point. If the surface sits below it, moisture forms there day after day, long before anyone sees it.
Move the temperature and the humidity and watch where the dew point travels.
Dew point of the room air
12,0 °C
Surface temperature of the wall
Below this temperature water settles on the surface.
Above it the surface stays dry.
Three worked examples
- 20 °C at 50 percent humidity
- Dew point 9.3 °C
- 20 °C at 60 percent humidity
- Dew point 12.0 °C
- 22 °C at 65 percent humidity
- Dew point 15.1 °C
The page calculates these values with the Magnus formula. They describe air and surface in general, not your home. What applies in your rooms only shows in a survey, with a reading taken at the cold spot.
How the moisture reaches the surface
Before a surface is closed again it has to be clear what made it wet. In practice these are the four routes, and often more than one of them at once.
-
01
A cold spot in the structure
An external corner, a window reveal, a slab running through or a lintel: the surface there is colder than the rest of the wall and reaches the dew point first.
-
02
Moisture from use
Showering, cooking, drying laundry, plants and the household itself all release water into the room air. If it is not carried away the humidity climbs through the day.
-
03
Water from outside or from a pipe
A leaking connection, a burst pipe, rising damp at the base of a wall or damage to the facade puts water straight into the structure.
-
04
Residual construction moisture
Screed, plaster and masonry carry water after a new build or a conversion and give it up over months. Closed too early, it stays inside the build up.
We write down what we find and say plainly when a cause lies outside our trade. Assessing structural fabric is a job for a qualified surveyor, not for us.
What the survey records on site
Before anything is opened we look at the room. The visit rarely takes more than an hour and ends with a written schedule you keep and can pass on.
What gets recorded
- Where the affected surfaces are and how far they run
- Room temperature and humidity as found
- Surface temperature at the cold spots of the wall
- The wall build up, as far as it can be read without opening it
- Windows, ventilation and radiators in the room
- Furniture, fittings and connections covering the area
What can you prepare?
Clear the affected wall as far as you can. Gather what you know about the room: how long the surface has looked wrong, whether there was a water escape, when it was last painted or papered, and how the room is used.
What happens after the visit?
You receive a written schedule of the work with its scope and its order. Only once you agree do we plan the job and arrange the dates with you.
When do we bring somebody else in?
If the cause is not in the fit out but in a pipe, in the roof or in the waterproofing, we say so and name the trade that is needed. We give no assessment that belongs to a qualified surveyor.
From strip back to finished surface
Six steps, in this order. Which of them apply depends on the room, the order itself does not change.
-
01
Seal the area off
The working area is sheeted off dust tight and floors and adjoining rooms are covered. Anyone staying in the home keeps the rest of it.
-
02
Strip back
Paper, paint, plaster, tiles or dry lining come off until the substrate is open and sound. The strip back follows the moisture, not the stain.
-
03
Dry the substrate
The exposed surface stays open until it is dry. That waiting time cannot be shortened, and we do not shorten it.
-
04
Prepare the substrate
The surface is cleaned, consolidated and prepared for the new build up. Loose remains of the old build up do not stay.
-
05
Rebuild
Plaster, dry lining or levelling, whichever the wall needs. Edges, reveals and junctions are set out again so the surface reads as one plane.
-
06
Close the surface
Priming, filling, painting or papering. The surface runs into the neighbouring surfaces without a visible step.
How long the drying takes depends on the build up, on the amount of water and on the room. After the survey we give a range for the whole job and tell you if it changes.
Request the workPhotographs from rooms in Kreis Heinsberg
Photographs from our own sites: opened areas, exposed substrates and the surfaces as they look afterwards.
Every photograph comes from our own projects. We show no work by another firm and no bought pictures.
Farbenhaft24 Raumgestaltung
We treat your home as though it were our own.
Tobias Knopczyk has run Farbenhaft24 from Hückelhoven since 2012. The craft comes from his father, who spent his working life in construction. Dry lining, plaster, paper, floors and decorating all sit in one pair of hands, and for mould work that is exactly the point: strip back and rebuild come from the same firm, with no handover in between and no waiting on the next trade.
Where we work
From Hückelhoven across the whole of Kreis Heinsberg. Heinsberg itself is a few minutes away and we are in the town most weeks anyway.
- Heinsberg
- Hückelhoven
- Erkelenz
- Geilenkirchen
- Wassenberg
- Wegberg
- Übach-Palenberg
- Gangelt
- Selfkant
- Waldfeucht
A call or a short message naming the room and what you have noticed is enough to arrange a visit.
What customers want to know first
Six questions that come up on nearly every mould enquiry, with the answer we give on the phone.
01 Can you tell us whether the mould is dangerous?
No. We are a decorating and fit out firm, not a laboratory and not a surveying practice. We tell you what we can see in the structure and what we do about it. Questions about health belong with your doctor, and sampling belongs with a laboratory that specialises in it.
02 Would painting over the spot not do?
Painting over a damp or affected layer hides it for a few weeks. The build up underneath stays exactly as it was and the surface comes back. That is why we strip back instead of covering up.
03 How long does a job like this take?
The strip back itself is usually quick. What takes time is the drying, and that follows the build up and the amount of water in it. After the survey we give a range for the whole job rather than a date you would like to hear.
04 Can we stay in the home while you work?
In most cases yes. The working area is sealed off and we agree in advance which rooms are unusable and when. With a bathroom we talk through how long it will be out of use before we start.
05 Will the insurer cover it?
That is a decision for your insurer, not for us. Our written schedule usually helps with the claim because it names the scope and the order of the work. Whether and what is reimbursed is between you and your insurer.
06 Do you work in rented homes?
Yes. Whoever is responsible for the repair can instruct us. As a tenant, please agree it with the owner side first so that scope and cost are settled before we start.
Tell us what you are seeing
A room, a wall, a bathroom: describe briefly where the surface is and how long it has looked wrong. We will come back to you and arrange a date for the survey.
We are usually on site. If nobody picks up, please leave your number and we will call you back.