Today, the market has a wide range of entrance and interior doors. But despite the variety of new materials, many prefer to choose the classics - wood. Such doors are great as interior doors, and some use them as entrance doors. Wood gives a presentable door. But for such a design to look beautiful, care is needed for it. For this, a special varnish for doors is purchased. What types does it happen? How to varnish a door correctly? All this will be discussed later in the article.
Types
At the moment, two types of door varnishes are popular:
We will consider the features of each of them further.
Alkyd varnish
Among its advantages, it is worth noting the low cost. After drying, the composition forms a strong protective film. For application, you do not need to purchase special devices and strictly follow the instructions. Also, this door varnish dries quickly. After an hour, the initial polymerization occurs. And after a day, the layer gains full strength.
Good feedback is received on wood varnish PF-157. It serves to protect the material from atmospheric and biological influences. Ideal for decorative finishes.
But do not forget about the shortcomings of such varnishes. The disadvantages include a short service life of the coating. It is necessary to renew such a door once a year. The surface burns out in the sun and loses its original color. In addition, during evaporation, the chemical components contained in the composition harm human health. Since the composition emits a pungent odor during application, alkyd varnish is used mainly for exterior doors.
The composition of the varnish includes alkyd resins dissolved in an organic solvent. The product is resistant to moisture. But, significantly afraid of high or low temperatures. The optimal mode is from 5 to 30 degrees Celsius.
Acrylic lacquer
It is used if it is necessary to carry out work indoors. Among the features of such material is worth noting:
- Instant drying due to evaporation of water.
- The absence of toxic substances that could cause allergies.
- Gloss coating.
- The elasticity of the material.
- The protective layer is not prone to chipping and cracking.
Among the minuses, only high cost can be noted. By the way, yacht varnish for wood also refers to acrylic. It costs a lot, but protects the surface efficiently. If it is necessary to protect the tree for a long time, it is recommended to purchase acrylic compounds.
What to look for when choosing?
The first step is to decide which door the material is bought for. If it is interior, it is worth giving preference to acrylic compositions. For the entrance you can apply alkyd varnish. Humidity matters too. For the bathroom you need to buy moisture-resistant products.
It should be decided which coating you want to get - matte or glossy. The latter will emphasize all the bumps. Therefore, if there are defects on the coating, it is better to choose a matte varnish for the doors.
Before applying the material to the door, it is recommended to test it in an inconspicuous place. Without experience, you can leave noticeable stains on the surface.
Preparation for work before updating the door
How to paint entrance or interior doors of wood? First you need to prepare:
- Paint roller or brush.
- A cotton rag.
- Sander.
- Emery paper of different grain size.
- Putty knife.
- Construction hair dryer.
- Hard putty on wood.
The first step is grinding with coarse paper. So all the bumps will be removed. For a high-quality result, you can use a board wrapped in sandpaper.
The grinding procedure must be carefully considered. To facilitate the work, you can use a grinding machine. Using putty, all defects are repaired - chips, cracks, cracks. It is important that the color of the putty does not differ from the wood. Further, the door is treated with impregnation, which protects the material from mold and bugs. The primer will not be superfluous, this will significantly reduce the consumption of varnish. The primer is applied with a roller or brush.
If painting is also planned, the white surface is degreased using white spirit.
An important point: the impregnation, varnish and primer should have the same basis. Otherwise, delamination of the coating is possible. Therefore, it is advisable to buy all paints and varnishes from one manufacturer. After applying the primer, sand the surface again. But this time fine-grained is used.
Varnishing
Next, you need to open the jar and stir the composition. This will eliminate the presence of air bubbles in the varnish. Then pour a small amount of paintwork into the prepared container. The door is previously removed from the frame and mounted horizontally.
Varnish is applied quickly to prevent the transition between layers. It is necessary to apply in the overlap. The number of layers is at least 3. Each of them must first dry out. This takes about 12 hours.
Also note that varnishes from different manufacturers have different drying times. Therefore, pay attention to what is written on the package. What to do with the formation of sagging and sagging? You can eliminate them with sandpaper. But such manipulations can be performed on the first two layers. You cannot work with sandpaper at the finish line, otherwise the appearance will deteriorate.
Please note: while drying the layer, the brush should be in a sealed bag or in a jar of varnish. Otherwise, the product crystallizes, and it will be impossible to work.
Recommendations
In order not to damage the door handles during varnishing, it is advisable to wrap them with masking tape. Using normal is not recommended, as it leaves traces of glue. But paper is perfect. But, if it is necessary to process all hidden places, it is advisable to disassemble the hardware.
It is also recommended to completely get rid of the old protective coating before applying a new coat of varnish. This will not only positively affect the appearance, but also extend the life of the protective surface. Do not forget about safety. Experts recommend working with protective gloves. And if it is an interior door, it is important to ventilate the room well (even if it is acrylic varnish).
How to artificially “age” a door?
Recently, such works have become popular. You can make the effect of "antique" brushing. What it is? This is a simple method of "aging" the door. For this, an iron brush is used. With it, the top layer of the tree is removed. This is done until the annual rings appear. However, this method requires the use of a thick layer of varnish.
Another method is “aging” with wax. Here you need to adhere to a certain sequence. Wax is applied first. Next is painted in bright colors. After drying, paraffin is removed with a spatula. Next, the base is polished. Then a stain or varnish is applied. According to experts, this particular method allows you to make the maximum imitation of "antique".
Conclusion
So, we figured out how to choose a varnish for doors and how to apply it to the surface. The choice of material depends on many factors. But still, to obtain a high-quality result (especially if the door is expensive), you need to use yacht varnish for wood. It provides maximum protection and does not cause allergic reactions. They can handle both interior doors made of wood and entrance.