Painted Wooden Doors for Houses

1. Process: Sanding the raw wood → Applying putty → Sanding → Spraying clear primer → Sanding → Spraying colored clear topcoat.

2. Product Positioning: Low-end product.

3. Advantages: Simplest process, lowest coating cost. When the raw wood has obvious defects, wood-colored putty is used to fill them, and a darker color is sprayed on the colored clear topcoat, which can effectively conceal the defects. Uniform color.

4. Disadvantages: The product lacks transparency, obscuring the natural beauty of the wood grain. The overall coating effect is similar to a solid color paint on MDF. Because only one primer is applied, the filling ability and resistance to sagging are poor, easily resulting in wavy, uneven paint film on the surface, greatly affecting the overall aesthetics. Sanding the putty is the most time-consuming, labor-intensive, and dusty process, making it difficult to hire sanders.

1. Process Flow: Sanding the raw wood → applying water-based mortar → sanding → spraying transparent primer → sanding → spraying transparent primer → sanding → spraying colored transparent top coat.

2. Product Positioning: Mid-to-low grade.

3. Advantages: The process is relatively simple, the coating cost is low, and it has better filling and anti-sinking properties than the previous process.

4. Disadvantages: The transparency of the product is not very good, the sense of layering is not strong, and it cannot show the natural texture and beauty of the wood very well. The sanding intensity of water-based mortar is high, and there is a lot of dust.

5. Suggestions:

(1) Change the wood-colored water-based mortar to "colored water-based mortar";

(2) Change the spraying of colored transparent top coat to using color-correcting essential oil for color correction, light sanding, and then spraying transparent top coat. This will greatly improve the transparency and sense of layering of the product, and make the wood texture more clearly expressed, while the overall cost will not increase much.

1. Process Flow: Sanding the raw wood → Spraying transparent primer → Sanding → Spraying transparent primer → Sanding → Spraying transparent primer → Sanding → Color matching → Light sanding → Spraying clear topcoat.

2. Product Positioning: Mid-to-high-end products.

3. Advantages: Good transparency, which can clearly show the natural texture of the wood. It eliminates the need for water-based mortar application and reduces the intensity of sanding.

4. Disadvantages: High cost, the process is not simplified, and if the wood has deep pores, three primer coats cannot achieve good fullness. If the wood grain is fine, it cannot enhance the effect of the wood grain (it is just a realistic representation).

5. Suggestions:

(1) If the wood grain is deep, the second primer can be applied using a wet-on-wet method;

(2) The second primer can also be changed from spraying to scraping, which not only saves costs but also achieves a better coating effect.

1. Process Flow: Sanding of raw wood → Spraying and sealing base → Sanding → Applying PU glaze → Spraying transparent base coat → Sanding → Spraying transparent base coat → Sanding → Spraying transparent base coat → Sanding → Color Repair → Light Sanding → Spraying clear top coat.

2. Product Positioning: High-end product.

3. Advantages: It has very good transparency and a sense of layering (three-dimensionality). Even if the wood grain itself is not clear, the above process can make the grain clearer.

4. Disadvantages: High cost and long operation time.

5. Suggestions:

(1) If the wood grain itself is very clear and beautiful, there is no need to use base coloring (such as Sapele wood veneer; directly applying a transparent base coat will make the wood grain itself emit a reddish effect, which is very beautiful; but if the base coloring process is used, this effect will not be visible);

(2) After using the base coloring process, the color of the top color repair can be lighter, so the sense of layering and transparency are better.

Above is how we produce painted wooden doors for houses.