Stripping doors is an effective and effective alternative to sanding down old paintwork. The alkaline lye dissolves old paint so that it can be easily removed after the stain has taken effect. Since paint strippers are chemically aggressive, extensive work protection is essential.
Advantages of stripping over sanding
There are several reasons for leaching instead of sanding. While a new, opaque coat of paint can make old colors disappear, old paint has to be completely removed to refurbish and expose the grain and structure of old doors. For a later glazing of the doors, stripping is usually unavoidable when priming.
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In spite of the health-endangering chemical components of stain, an often important advantage over sanding down the doors is the work volume when stripping paint. While the sanding is loud and produces a lot of fly dirt, the stripping works almost silently. The loudest possible noise is caused by the blower of a hot air dryer.
How to stain doors
- Ammonia or
- Neutral stain or
- Chemical staining with caustic soda or solvents
- Protective gloves
- Eye and respiratory protection
- Lye-proof containers
- Hot air dryer
- Hazardous waste container
- Brass brush
- Brush with alkali-resistant bristles
1. Occupational safety
As all pickling agents are etching and produce toxic fumes, ensure that the work area is well ventilated before use. If possible, you should paint the outside door leaves that have been hung up. In the interior and by door frames, good ventilation must be guaranteed and endangered organisms such as children, pets and sensitive plants must be kept away.
2. Put on protection
Before opening or touching the selected pickling agent, put on alkali and acid-resistant protective gloves. Wear breathing and eye protection and long-sleeved clothing.
3. Mix / open the stain
Depending on the pickling agent, only open the pre-pack now and if you have to mix the agent, use alkali-resistant containers made of glass or ceramic.
4th. Apply stain
Apply the stain to the door surfaces with a brush in long strokes. Make sure that as little stain as possible runs off and catch the drops with a container or a lye-proof cloth. Let the stain act according to the manufacturer's instructions.
5. Remove paint
Lift off the old loosened paint with a spatula or peel it off with a drawing iron. Careful warming with a hot air blower makes it easier to remove.Tips & Tricks Old paint residues and paint strippers must be treated as hazardous waste and disposed of accordingly.