Primers for wood: types and properties

Wood is one of the most common materials for building houses, making furniture and other beautiful things. Natural material due to its environmental properties, performance and beautiful appearance is now popular. But wood requires proper care, and it can be lightened if, initially, during construction, the material is treated with special primers for wood.

Special features

Simplify and make the finish cheaper help primer on wood. Through the use of this coating increases the service life of the wooden surface.

The primer is made before painting and is necessary in order to protect the surface from sunlight., high humidity, mold and mildew, insects and other damage. It penetrates into the deep layers, provides a good impregnation of the materialdue to which, after this procedure, the paint falls perfectly evenly and keeps well. She can even cover old wood. The qualitative composition will fill all the cracks and strengthen the wooden product well.

Especially the coating is necessary for surfaces located in rooms where water and moisture are constantly present, as well as high temperature.

For example, the walls in the bath, sauna, swimming pool must be subjected to special treatment. The same applies to the exterior walls of buildings, because they are even more susceptible to the negative effects of the environment.


The substances that can create a protective film include glue, various resins and oils, bitumen. It is easy to choose a primer - there are many types. The main thing is to know what specific composition is needed.

Alkyd Primer it is intended for products from a tree which it is planned to paint with alkyd enamel. One layer of the composition is enough to create a water-repellent coating. The primer dries within ten hours. There is a special pigmented composition, which is most often applied to a wooden surface, previously painted.After drying, a matt white surface is obtained.

Acrylic Primer suitable not only for paints with the same name, but also for other types of surfaces. It is colorless and is considered universal. It must be applied in several layers, the absorption surface is quite deep.

Epoxy and polyurethane primer manufactured using epoxy resin or polyurethane. These types of coatings do an excellent job of preparing the wood for painting or varnishing. Their composition resembles lacquer, but these primers contain more solvents and no tinting additives. Transparent coating is very popular - it is well underlines the unique pattern of the tree, and in addition, after it you can apply paint of any color. Compositions from different manufacturers have their differences - you need to take this into account and before buying a good study annotation on the package.

Silicone-acrylic primer serves as a good reinforcement for wood, completely fills all pores, creates good protection. After processing, you can apply alkyd, water-dispersion or latex paint.

Antiseptic primer has a disinfecting effect and other useful qualities. Due to the fact that it contains an antiseptic, it prevents the appearance of fungus and mold, and also protects against harmful insects.

The shellac primer reliably isolates irregularities from the knots at the cut point of coniferous trees, and also protects against resin secretion.

Oil coating Apply before painting with oil paint. It is suitable for previously painted surfaces. For the same purpose is suitable and linseed.

Well as protection has proven to be liquid glass. There are many functions that it performs: waterproofing, antiseptic, fire retardant. Thanks to these qualities, liquid glass can process not only wooden surfaces, but also surfaces made of brick, concrete and foam plastic. This composition perfectly fills any porous surfaces and facilitates further work with them.

Primer is applied to the surface with a brush or roller. But there are special compounds in cans. With their help, you can apply the coating quickly, but you need to monitor the uniform distribution, because further quality of work depends on it.

Application area

Primers for wooden surfaces are used to cover walls and ceilings, floor and wooden furniture, as well as for outdoor work.

The process of preparing the site for work depends on the quality of the primer and the characteristics of the coating. If on the surface there is an old paint, then you need to remove its remnants with sandpaper. You can remove the paint with a spatula, and then treat the surface with a solvent.

New wood lends itself well to sanding. After that it is necessary to put putty, and then to ground. After completing these processes, you can use plaster or paint.

The primer is applied very easily, it is important to simply choose the right option for each type of coating. But first you should deal with the instructions.

For a wooden surface on which you plan to apply acrylic paint, two layers are required. If you have to handle plywood or chipboard, you will need at least three layers.


Construction stores offer an extensive selection of primers with a variety of characteristics and properties. To choose the right option, you only need to have an idea of ​​what surface to be treated,and what work will be done in the future.

Among the well-known manufacturers, well-established among consumers, we can distinguish Tikkurila and Pinotex.

Primer Tikkurila Valitti Expert Base - A suitable coating for wooden surfaces. They can be window frames, walls or doors. This composition can be carried out and outdoor work - it is a good protection for wood from external adverse factors. But after this primer it is necessary to apply the paint as a topcoat.

As for the primer Pinotexthat is, a base coat that is colorless, absorbs well and penetrates deeply. It can prevent mold and rot.

There are also compositions of the same manufacturer with special antiseptic additives that enhance the properties of protection against fungus and mold.

Compositions "Classic" and "Ultra" Before painting, you can handle any wooden products: gazebos, facades, fences or garden furniture. These compositions are also well suited to preserve furniture during transport.

Tips for choosing

With all the variety of types of primers and manufacturers, you need to choose the one that is suitable for a particular type of work.

If you choose a primer under the varnish, then it must be transparent. Provided that in the future the wooden surface will be painted, you can choose the composition and with a touch.

Important is the fact where the treated surface. For outdoor work and rooms with high humidity, it is better to choose a special primer with a waterproof base.

This applies to the bathroom, kitchen, bath or pool. The antiseptic additive will also benefit the tree only - it will not be afraid of any fungus with mold, nor the harmful bark beetles. For interior work in rooms where there is no humidity and strong temperature changes, the usual primer can be applied, which can be applied in two or three layers.

For someone, the time factor also plays a big role. If there is no hurry, then a primer is suitable, which needs to be applied in several layers. Dry it, of course, will be longer. Provided that you need to update the surface very quickly, you can choose the coating that is applied only in one layer and dries quickly.

A good example of wood primer can be seen in the video below.

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