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Paint the door - instructions & costsThe painting of wooden doors, whether with glaze, paint or clear lacquer, not only serves to improve the external appearance, but also protects the wood from environmental influences and thus from rot. Since external surfaces of windows and doors are particularly exposed to the weather, they require regular care so that they do not cause irreparable damage.
First use a utility knife or an old chisel to remove loose or friable window putty from the frame fold in front of and behind the panes, then remove any dust and other remains with a brush. Then prime or coat all areas where raw wood is exposed; only then apply new putty. Clean out and replace damaged mortar joints or permanently elastic seals between the frame and the adjacent masonry.
Which painting door frames get, depends generally on the type of wood used. For example, pine wood, which is known for its beautiful grain, is usually covered with glaze as well as the popular wood species Meranti and Sapelli, which are popular as substitutes for mahogany. Window frames made of resin-free wood, such as spruce, usually get a colorful finish.
Remove flaking or blistered paint from smooth surfaces on the frame with a paint scratch and from the profiles with a special scraper. Paint that can not easily be scraped off must be removed with a paint remover, a blowtorch or a hot air blower. In the
Work with a paint remover to apply the liquid following the manufacturer's instructions and let it work in, then peel off the softened paint with a paint scratch. Do not use blowtorches or hot air blowers in the immediate vicinity of glass surfaces as the windows may jump under the effect of heat.
Smooth all surfaces scratched free of paint with sandpaper, then pretreat all weathered wood with primer. Close any cracks in the wood or joints with a suitable filler and, if necessary, re-apply a primer. Prepare areas where the paint application is still satisfactory by sanding with wet sandpaper for repainting; then wash off the sanding residues and allow the surfaces to dry.
Notes on painting
- For a smooth door, first stroke the edges, then paint the upper quarter of the door with a flat brush, then work with vertical brushstrokes and finally apply the last coat horizontally.
- Before applying the topcoat, sand off all surfaces with wet sandpaper (220 grit to 400 grit) to remove the dust that gets on the precoat during drying
is. Apply the paint with a brush or with an electric spray gun.
- To paint, unhook the door and lay flat on two blocks. Lock hinged doors in the open position with wedges so that both hands are free to work. To protect the floor or floor covering a cover or, in the
Work with a paint remover or blowtorch, place a hardboard under the door. Always dip the brush sparingly, so that no "noses" are created when painting, remember to paint the top and bottom of a new door, the color will seal the wood and prevent it from absorbing moisture.
- Wooden doors can also be treated with a variety of stains, varnishes and glazes, which bring out the beauty of the natural grain of the wood. Simple stain is applied to the raw wood and then coated with a clear coat. Clearcoats are intended exclusively for interior doors and give the wood a shock and scratch-resistant surface.
When dealing with clear coat or glaze careful preparation is particularly important, as both clearly show every little scratch and any irregularity of the surface. Old paint or clear coat residues should definitely be removed with a paint stripper
because the flame of a blowtorch could discolor or burn the wood.
Simple clearcoats should not be used for exterior doors and the outside of windows because they become porous under the action of the ultraviolet rays of the sun: the wood absorbs moisture from the air to a high degree without being able to separate them again, and mold or rot.
Lacquers for exterior coatings
On the other hand, glazes that are suitable for exterior coatings can exude penetrating moisture, have a fungicidal and insecticidal effect and contain a pigment to protect the wood from the sun's ultraviolet radiation. They are available in a variety of mixable shades.
For glazing, light shades should preferably be used, as darkly glazed wood reflects the sun's rays less than light and because of the associated additional heating stronger "works". Before applying paints, always observe the manufacturer's instructions and check whether the Paint is suitable for the intended purpose, how it is processed and how many layers are required for a full coat of paint, as well as good ventilation of the workplace and, if possible, a warm, dry day's work.