Plastering on wood: doing it right

While plastering a wooden surface may appear difficult, it is completely possible to achieve a smooth, long-lasting finish with the appropriate methods and supplies. The secret to getting long-lasting results when plastering on wood is understanding how to do it correctly. This applies to both new construction and restoring old wooden walls.

In contrast to other surfaces, wood needs to be specially prepared in order to guarantee that the plaster adheres correctly and doesn’t crack over time. In order to avoid common pitfalls, this process entails carefully following each step, applying a suitable base layer, and choosing the appropriate type of plaster.

We’ll walk you through the fundamentals of plastering over wood in this post, enabling you to produce a durable, eye-catching finish that improves your area.

Why a wooden house is plastered

Plastering a wooden house can be done for a variety of reasons. For instance, not everyone can afford a structure made of heavily chemically impregnated timber. Furthermore, plaster serves the same purposes as impregnation. Naturally, in this case, the appearance will suffer, but the duration of the procedure will multiply several times.

Wooden wall plaster shields them against:

• Rotting, However, it should be said that before applying the material, the wood must be covered with antiseptics and the surface must be allowed to dry;
• The appearance of mold. Here you will need to pay attention to the humidity of the wood. If it is higher than 12%, then the material will deteriorate under the plaster;
• Damage by rodents, termites.

Be aware that plastering the walls of a timber-framed house only happens a year after the building process ends due to shrinkage.

Choosing a composition for the work

Applying DIY wood plaster requires consideration of the plaster material in addition to the plane’s material. Ultimately, various combinations may be employed in this situation, and the properties of the coating will be contingent upon this. You must determine which compositions can be used before you begin.

The question of whether wood can be worked on using a lime version of the solution or just a simple sand and cement solution is one that interests a lot of people. Wood has good adhesion, so practically any kind of mixture—including the ones mentioned above—can be applied to it.

Note: The consistency of the mixture is crucial for any plaster. The material needs to be plastic and there shouldn’t be any lumps. You can achieve a superior composition by combining the solution with a drill bit or a construction mixer.

• At the very beginning, mix the dry components, and then add water.
• Lime is diluted to the consistency of lime milk, for this we mix all the ingredients in a one to one ratio.
• After that, we use the resulting mixture for mixing.

• It is obtained by mixing several parts of lime mortar and one part of gypsum.
• Gypsum plaster can be used for interior work when the room must have certain performance characteristics.
• To make everything more convenient, you can use a simple lime composition, and mix gypsum in another container, which will make the composition dry faster.
• It is worth noting that this material can be used as a finishing plaster, and to add color, simply pour in the colorant.

Note: After the plaster dries, it is applied to the surface with either CMC glue or wax mastic to give it a decorative appearance.

We stuff the lath

The coating needs to be supported by the wooden surface beneath the plaster, as the cement will not adhere to it directly. Either lath or construction mesh are used for this. Plaster laths are planks or strips of plywood that are three to five millimeters thick and up to two centimeters wide.

The output shingle is nailed after the foreshortening shingle, which is nailed in multiple rows. We use special plaster nails to secure them.

• The foreshortening shingles are nailed from the bottom up parallel to each other. In this case, it is necessary to observe a three-centimeter step and an angle of forty-five degrees in relation to the horizontal;
• The output shingle is nailed perpendicular to the foreshortening shingles. Ultimately, a diagonal sheathing will be obtained on the surface, which will not fit too tightly to the wall. During the work, we fill this space with mortar (an important condition for ensuring the reliability of fastening the plaster to the wood);
• The consumption of plaster per square meter will depend on how smooth the surface is, which will be processed. The thickness of the layer should not be less than twenty centimeters. Too thin will lead to the fact that the plank will be translucent, and the plaster will crack;
• To improve the properties, experts advise covering the walls with felt, matting or parchment. They are pre-treated with antiseptic agents and dried;
• Before starting the cladding, the covered walls should not be wetted too much, they are sprayed a little;
• If plastering is done for painting or wallpapering, the joints of different materials are covered with a reinforcing metal mesh. We place it on both sides of the joint.

External plastering

Instruments required:

• Components for creating a solution;
• Rule and level;
• Slats, plaster mesh;
• A container in which the composition will be mixed and a shovel.

Preparing the surface

It’s possible that this is the most crucial phase, and you can’t skip it.

Preparation typically entails the following procedures:

• If the house is built of logs, then after the shrinkage is complete, cracks will most likely appear in it, which should be filled with mineral wool. If they are too large, then hammer in the slats;
• After this, it is necessary to attach a plaster mesh to the surface. It is worth noting that during the finishing of a wooden house, shingles are very often used. To do this, slats twenty millimeters wide and five millimeters thick are nailed to the wall.

Be aware that while we mount the subsequent layer on top of them, we maintain a right angle with respect to the initial layer. You will thus obtain a mesh pattern. Plastering of greater quality can be guaranteed by using shingles.

• The next step in preparation will be the installation of beacons, without which the walls will never be even. The thickness of the plaster is at least fifteen millimeters. Installation begins from the corners, then we move along the wall. In this case, the step between the slats should not be less than the length of the rule itself. After installing the beacons, the quality of the work can be checked with a level and, if necessary, we make adjustments.

Plastering

The facade plane is the most susceptible to outside factors. In this case, cement compounds make more sense.

• First, be sure to spray the walls. For this, take the same plaster for outdoor work, but in a more liquid state. To improve the effect, just add a small amount of PVA glue to the solution. If this is your first time undertaking a task of this kind, then spray it with your hands. When you get the hang of it, you can safely take a trowel or a float.
• The thickness of the applied layer is not less than 10 mm. The composition should cover all cracks, irregularities, because this coating replaces the primer. It is best to move from above.
• After this, on a slightly dried, but not completely dry image, apply the main layer. We throw the composition with a ladle, then take a rule in our hands and level the walls with it.

Note: freshly applied plaster should air dry, so shield it from the sun and avoid freezing temperatures. For this reason, it is preferable to complete all procedures in the spring or fall.

Your walls should be even and smooth as a result.

Although plastering over wood may seem difficult, you can achieve a smooth and long-lasting finish with the right methods and supplies. Plaster adheres well and lasts for years if the surface is properly prepared, the right base layers are applied, and the right type of plaster is selected.

It makes all the difference to take the time to comprehend every step, from preparing the wood to applying the last coat. Whether you’re painting a small area or a whole wall, adhering to these instructions will help you produce results that look polished.

Recall that persistence and focus on details are essential. Your wooden surfaces can be transformed into exquisitely plastered areas that improve the appearance and feel of your room with a little bit of work.

Plastering on wood necessitates the proper techniques and meticulous preparation to guarantee a smooth, long-lasting finish. If the right procedures aren’t followed, the plaster can split or stick poorly, which could cause issues later on. You can accomplish a long-lasting and polished finish on any wooden surface by following this guide, which will take you step-by-step through all the necessary preparations and plaster application steps.

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