Why primed wall primer properties

The success of each repair - it is carrying out in accordance with the technologies and regulations.Today, the sale is a huge number of different building materials, a huge proportion of which is occupied by finishing mixture.But the fact is, that when applied to the surface some time later, is sometimes observed after only 1 year, sometimes finishing begins to fall away.Sometimes even whole layers.And though she is very beautiful and the quality was not the basis for it has not been properly prepared.Here and acts on the front priming plan.And the resulting tandem "primer and putty" should be easy to bounce off the teeth of any master in that order words, he must live this phrase.

Even the ancient Greeks knew technologists priming surfaces and its leading role.Indeed, precisely because such mixtures loose and granular base becomes solid.Particularly popular in ancient times had a primer in the painting, it pre-loaded onto the canvas, wall, so today we can observe the long-term work of art.

What's the first primer and putty?

If you decide to do repairs, you should not feel sorry for money on finishing materials and the special role it is necessary to take preparatory operations.For example, you have plans poshtukaturit wall, followed by a decorative trim.

be laid before putty, primer, glued wallpaper, it is necessary to prepare the ground.Remove old paint and remove as much as possible crumbling components.Then take a plaster mixture and proceed to business.But what!!All fall off either directly or after some time.And then we realize that missed the important thing.Primer.Therefore, answering the question "What first primer or putty, plaster, etc.?" You can be sure to say, of course, a primer.And why?

primer includes in its composition components that deep soaking into the ground, it fastened and glued, this gives a rough surface and is strong enough.But there should not rush, because if you do not give the primer to dry, all the work will come to nothing.

In the case of concrete and brick walls, many may question the need for a primer filler, but, of course, this is a misconception.But in the case of wood coatings question "walls first primed or shpaklyuyut?" Makes no sense.Because here and it will be clear that on a smooth wooden surface will not hold anything without the use of any treatments.

primer Properties

By properties primer mixtures include:

1. Increased adhesion of subsequent finishing layers (plaster, paint, plaster, drywall).
2. Primer is an excellent antiseptic that can prevent and destroy the fungal formation, mold even in thicker walls.
3. primer provides high-quality and durable repairs.

Tools required for priming walls

Roller
Brush
container
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types of primers

Seeing that the primer is an important component of any repair, the next question should be: "what is the best primer for walls under plaster?".It is impossible to respond uniquely because they are commercially available at least seven species.And to choose necessary, should be familiar with its composition, action, and with what materials it interacts.Because each primer for under plaster walls or after it is reacted with the base in various ways.

Species primers

1. One of the most common is an acrylic primer.It is an excellent tool for the treatment of loose surfaces.The advantage of this primer is that it dries quickly (up to 5 hours), easily applied with a roller or brush, and thus is well secured to concrete and wood surfaces, plasterboard or silicate blocks.But poorly interacts with the metal that affects its further corrosion.It has excellent adhesive properties, giving a loose and porous surface of the necessary strength and stability . Priming the walls under plaster this material will ensure the longevity of your finishing repairs, and the fullness of your pocket money.Acrylic primer is fit for use both outside and inside the house.
2. next least popular type of primer is an alkyd.It is mainly used for wood coatings.Provides robust rough to the touch contact layer, which can be further put putty, plaster, plaster of Paris.Also it can be used both for external and internal works in a building.Drying and complete hardening of the material takes place at room temperature for 15 hours.

1. often used for finishing work glyptal primer.It should be used only for dry rooms only.Full curing cycle is 24 hours at room temperature.The advantages include the ability of the primer treatment of metal surfaces.
2. next type primers related to synthetic is polyvinyl acetate.It has a very special meaning for painting paints containing polyvinyl acetate.It is recommended to be used for the exterior.The polymerization process is only 30 minutes.
3. Next, least toxic, but it is more effective perchlorovinyl primer.Use it inside the dwelling is prohibited due to the high concentration of chemically active substances.But for the exterior is one of the best options, despite the fact that it dries in just 1 hour.And it can be used on a metal base.
4. next type of highly toxic primers is polystyrene.It is well sealed with any materials that it makes an excellent choice for outdoor applications.
5. next type - is phenolic.It is perfectly fastened to the wood and metal surfaces, which is why it is not recommended to use inside the dwelling.Pour full cycle is 15 hours.

Why primed wall after fillings?

If the primer to topcoat was absolutely necessary, after finishing is applied at the discretion of the master.Therefore, the question "Do I need to prime the walls after finishing putty?" Is quite relevant.

Primer will be equally affected by finishing layer and above.Finishing the same layer of putty is a fairly dense material, which is subject to almost obsypaniya.And then at this stage to consider the further finishing of the walls.If

be papered wall-paper, the surface can be primed by the wallpaper paste, after allowing it to dry.Here, the savings on the primer, but a larger consumption of adhesive is required.The second case where you can not use the primer is followed by painting the walls of water-based formulations.Paint itself contains in its composition similar component acrylic primer.

But after priming the walls of putty required, even after finishing, if it will stick liquid wallpaper, plaster and other decorative trim.

dealt with the types and purpose of primers is now possible to make a full combination of high quality and durable repairs: primer, putty, priming the walls and decorative trim.