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How to Renovate Wooden Doors After House Decoration? Notes on Renovation of Old Wooden Doors

How to Renovate Wooden Doors after House Decoration: Detailed Notes for the Renovation of Old Wooden Doors

Wooden interior doors often encounter problems during use, but they cannot be replaced due to various reasons. However, it is important to address these issues to maintain the beauty of the doors. This article will provide guidance on how to renovate wooden doors after house decoration, with a focus on important considerations during the renovation process.

Construction Method for Wooden Door Renovation:

How to Renovate Wooden Doors After House Decoration? Notes on Renovation of Old Wooden Doors 1

1. Sandpaper Polishing to Repair Damage:

If the wooden door surface is damaged, such as cracks or pits, the first step is to fill the damaged areas with putty. After that, sandpaper should be used to polish the surface. Subsequently, apply a primer and finish paint. In case the base course is undamaged, direct painting is also an option. The correct process involves sandpaper polishing on the original wooden door, followed by applying the primer and finish paint. As finished doors are usually waxed, polishing helps improve paint adhesion. Renovation does not compromise the quality or lifespan of the finished door.

2. The Base Material Should Not Compromise the Overall Quality:

A common concern during wooden door renovation is whether using a different type of paint than the original (such as oil-based or water-based) will affect quality. According to experts, there is no need to worry about this issue. Generally, there are three types of oily paint: polyester, nitro, and alkyd paint. Alkyd paint, being an earlier product, dries slowly and is less commonly used in decoration. Nitro paint dries quickly, but the paint film is thin, requiring multiple coats. Additionally, it may turn white in high humidity. Polyester paint is relatively more popular due to its fast film-forming and good effect. When renovating, it is acceptable to use the same paint or water-based paint, except for polyester paint. If applying polyester paint, it is necessary to melt the original paint film for better adhesion. The use of water-based paint is recommended due to its environmental friendliness and the indoor nature of wooden door renovation.

Precautions for Wooden Door Renovation:

1. Use the Appropriate Paint and Dilution:

During wood paint construction, if water-based wood paint is chosen, it can be diluted with water in the required proportion. However, if nitro paint or polyurethane paint is selected, it is essential to add the appropriate curing agent and diluent according to the fixed ratio. It is advisable to seek professional guidance when using nitro and polyurethane paint to avoid issues such as bottom biting and wrinkling.

2. Allow Sufficient Drying Time:

To ensure proper drying, it is recommended to spray paint or apply primer twice, and the finish coat three times. The second coat can be applied with an interval of 4-6 hours between each application. While workers might aim to accelerate the drying process by applying the second coat at intervals of 1-2 hours, doing so can impact the final result. The paint film needs time to dry completely for an optimal finish.

3. Consider Removing the Wooden Door for Renovation:

Since wooden door renovations are often carried out indoors, it is best to remove the door and place it in a specially designated spraying room. This approach offers several advantages. Firstly, it eliminates dust and reduces environmental pollution. Secondly, it enables clear visibility of the door's front and back surfaces. If spraying is done directly on the door, it can create a foggy effect, obstructing visibility and compromising the spraying outcome.

4. Proper Treatment of Remaining Paint:

After using waterborne wood paint, any remaining paint can be stored in a cool place for future use. However, due to the inclusion of a curing agent and diluent, nitro paint and polyurethane paint can only be used once. Consequently, any surplus coatings should be appropriately disposed of.

In conclusion, renovating old wooden doors after house decoration can rejuvenate their appearance and maintain their integrity. By following the suggested construction methods and precautions outlined in this article, you can ensure a successful renovation process. Remember, attention to detail and adherence to the appropriate techniques and materials will yield excellent results, prolonging the life of your wooden doors.

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