Should drywall be primed before puttying

Many specialists involved in finishing work are wondering if it is necessary to prime walls made of drywall before puttying. Definitely difficult to answer. However, most masters are inclined to believe that the primer GKL before puttying - a mandatory stage of decoration.

What is a primer for?

Primer is a special mixture that provides reliable adhesion of the treated surfaces. In addition to this, this composition is used for other purposes, namely, for:

• protection against the appearance of fungus and mold;
• concealment of defects and irregularities of the painted surface;
• adhesive clutch.

Primer mixes dry quickly, they are non-toxic, resistant to chemical influences, have a high level of heat and moisture resistance. The primer reduces the consumption of paint and wallpaper glue.

Masters of finishing work are advised to prime drywall sheets, because:

1. Putty is better placed on the surface treated with this composition.
2. GCR become stronger after absorbing the primer.
3. The seams of the sheets that are cut during installation become more durable.

Primer selection

If you have no doubt that it is necessary to prime drywall, then the next step will be the selection of a suitable primer. Before buying, you should carefully study the label of the purchased product. It must necessarily indicate the expiration date and manufacturer. The cost of primers is not very high, so you can not worry about overpaying. For primers GKL should choose compositions for internal work. Compositions for finishing facades inside the apartment should not be used, they contain substances harmful to human health. Stop your choice is on the penetrating form of the primer. It has a fine filler structure, so it penetrates more deeply into the body of drywall. The solids content in such compositions is not more than 12%.

For work with drywall, an acrylic primer is best suited. It lays on any surface. The drying time of the solution is from 2 to 4 hours. It is applied to drywall sheets before and after putty. The most popular brands are TESSAROL, Teknos, Vega, Betocontact.

How to prime drywall

• At the time of work with the primer, you need to open the window / door, that is, provide ventilation of the room.
• First of all, the places of fastening of self-tapping screws and joints of sheets are processed with a primer.

• After the working surface dries, you can proceed to filling the seams starting putty.
• After the putty layer has dried, the surface is primed again. The mixture is applied in one layer.

• Next, a masking net is glued to the surface of the seams and covered with a smoothing layer of putty.

• It is necessary to allow the drywall joints to dry, then apply the finishing layer of putty. After this layer has dried, sand the entire surface with sandpaper.
• The final stage of finishing is priming the walls.

Advice! It is recommended to pour the primer in a separate container. The roller is lowered into it, squeezed out a little and proceed to application.

Should drywall be primed in rooms with a high level of humidity? The answer to this question is yes. As a rule, when leveling the walls in the bathroom, toilet, in the kitchen, moisture-proof drywall is used. It needs to be primed as well as normal. Some masters even recommend applying the composition in two layers.

The quality of the work performed depends on whether the putty layer is well dried before applying the primer and vice versa. The primer of each layer provides high adhesion to the materials used. Therefore, performing the above algorithm step by step, you will get smooth and beautiful walls.