How do I know how much paint I will need for the job?

Divide the area to be painted (= length x height) by coverage. The coverage is shown on the paint can label. You can also use the paint counter on our website. Don’t forget the number of coats required.

 

How should I clean brushes and rollers?

Wash the rollers and brushes used with water-based products with soap and water. You can store them temporarily in a sealed plastic bag, for example, during the lunch break or overnight.

All tools used for applying alkyd lacquer, alkyd paint and wood preservatives should be stored in a water-filled jar between separate work phases. Dry the tools thoroughly by rubbing them, for example, with clean paper or cardboard before starting to paint. After painting, clean the tools first with white spirit and then with soap and water.

Do not pour white spirit into drains. You can recycle white spirit used for cleaning the tools for further cleansing use. Allow the paint residue from the tools to separate out at the bottom of the jar and pour the recyclable white spirit at the top into a new jar. Once the sediment at the bottom has dried, you can dispose of it together with other household waste.

 

Is it always necessary to thin paint?

With alkyd paints and other solvent-based products, it is normally advisable to thin the paint before applying the first coat. Check the label to see what thinner to use and how much - it is not usually advisable to thin acrylate latex paints. However, if you want to thin the paint before the first application, add no more than 5% to 10% water.

 

How can I remove paint stains from clothing?

If the paint is not yet dry, it can be removed using the appropriate thinner (water, white spirit, etc.). Once the paint has dried, it is practically impossible to remove any stains without damaging the fabric, other than gently scratching it.

 

I painted an old table and now there are air blisters on the surface. Why is that?

An alkyd paint or lacquer may develop blisters for a number of reasons:

  • Brushes contain foreign particles. Both new and old brushes must be cleaned thoroughly before use and all loose hairs and impurities removed.
  • You may have applied alkyd paint with a brush recently cleaned with water and not left to dry properly.
  • You may have held in the brush in the wrong position when applying the paint. Try different angles of application.
  • You may have been brushing the strokes too quickly when applying the paint. Re-brush the surface slowly to break the blisters.

After stirring the paint, let it stand for a while before application.

 

How can I neatly remove masking tape from the wall? Sometimes part of the tape sticks to the wall, or some of the paint comes off with the tape.

Masking tapes vary in quality. Cheap tape is often made of poorer materials (paper and glue) than more expensive tapes, so it pays to choose quality over price. Normally, masking tape should be removed fairly soon after painting and before the paint dries too much. To obtain a neat finish, you can “cut” the surface along the borderline between the paint and the tape with a wallpaper knife. Also read the tape manufacturer’s recommendations.

 

Must rust always be removed before painting a metal surface?

Loose rust must ALWAYS be removed, either with a wire brush or power tools. For corroded but clean metal surfaces, use the Finkolora Anticorrosion.

 

How can I find out what type of paint has been used to paint the timber cladding on my house?

A simple way to identify the paint type is to use denatured alcohol. Clean a small spot of the painted surface with a cloth dipped in ethanol. Add more ethanol to the surface and rub it with your fingertip. If the paint becomes soft and squashy as a result of rubbing and the application of ethanol, the paint is a water-based acrylate paint. If the surface does not react, it is an oil-based paint.

Other properties of old oil-based paints:

  • the coat of paint is hard and crumbles when pressure is applied
  • the coat is chalky, leaving marks on fingers when rubbed
  • the coat of paint cracks in a chequered pattern
  • the coat of paint can be softened with lye which causes yellowing
  • the coat of paint is combustible and the smoke smells of burnt oil

Water-based acrylate paint properties:

  • the coat of paint is resilient and does not crack when pressure is applied
  • not clearly chalky or powdery
  • cracks run parallel to the wood grains
  • paint is not softened or discoloured by lye
  • paint burns poorly, smoke smells of “plastic”

 

What is the best weather for painting outdoors?

The surface to be painted must be dry. The best weather is warm and overcast with no rain. In sunny weather, it is advisable to work in the shade and follow the sun. The minimum temperature irrespective of the type of paint is +5°…+10°C, and relative humidity less than 80% during painting and drying. The coat of paint should also dry before the onset of dew, as moisture makes a fresh painted surface look dull.

 

Why have the colour of the external walls of my house changed over the years?

Oil-based paints, in particular, tend to become duller due to weathering. At the same time, the shades tend to change, which is especially noticeable in darker colours.

 

For how long do paints release various compounds after application? How long should I wait before sleeping in a freshly painted room?

The level of volatile compounds depends on the size of the room, ventilation, temperature, relative air humidity, the thickness of each coat of paint and the dryness of the underlying layer, as well as the state of the base material and its ability to absorb paint.

Generally, it is advisable to avoid spending prolonged periods of time in rooms in which alkyd paint or lacquer have been freshly applied to large surfaces (ceilings, walls, cabinetry, sets of drawers) for about one week. With smaller surfaces, 24 to 48 hours should be enough.

Allergy sufferers, expectant mothers and small children should avoid such spaces for longer periods.

 

What should I do if paint or wood preservative gets into my eyes?

When handling solvent-based paints, wood preservatives, etc., it is always advisable to wear goggles. If you get any paint in your eyes, rinse them thoroughly with plenty of water for at least 15 minutes. If the eye is still smarting, seek medical help.

 

What should I do if someone has swallown solvent, paint or wood preservative?

If solvent, paint, or wood preservative is swallowed accidentally, do NOT attempt to induce vomiting, but seek medical advice immediately! Where possible, show the label or the can to the doctor or medical personnel.