Decorative plaster : types and methods of application

Originally plasters used solely for the final alignment of the walls for finishing paper or staining.At some point, people realized that this material can be used as a topcoat if to give it a decorative quality, including color and texture.So a decorative plaster, which no longer belongs entirely technical sphere, but mainly the area of ​​high art.After all, how it will look completely covered the surface of it, it depends on the imagination of the master and its applicator.

main advantage of decorative plaster mixtures is that they are both leveling and topcoats.Walls do not require thorough preparation prior to application of decorative plaster and painting can do without after.Its volume texture perfectly smooths out all minor irregularities, simplifying great job.Colored pigments eliminates the need for laborious operation to produce staining.

technical terms, any decorative plaster - a mixture of binder, filler, pigment and water.Plaster type depends on the type of adhesive base, and filler granule size.In order to understand what there is decorative plaster: types and methods of applying it to the wall, you need to understand the classification of the material.

Classification of decorative plaster mixtures

Plaster formulations for decorative wall finishing is carried out in the form of dry mixtures or finished paste.The mixture should be kneaded before starting work and fully use up until set.The pastes are sold in finished form, not stirred before use, and it can be stored up to 2 years.

Depending on the composition of the knitting basics to distinguish between the following basic types of decorative plaster:

• acrylic blend.
• prepared on the basis of mineral substances.
• containing silicate mixture.
• Silicon plaster.

All they differ not only by the type of base material, but also on physical properties such as: vapor permeability, water absorption, exposure to pollution, elasticity, resistance to UV rays, abrasion, ozone and microbial attack.Also pigments of different origin can be used with them.

composition and properties of acrylic plaster

Its basis is an acrylic resin, which belongs to a class of synthetic polymers.For sale this plaster off the shelf.It is packaged in a plastic bucket.Buying acrylic mixture, it is necessary not to forget to check its expiration date.If it has expired, you can not acquire the material, as it loses its adhesive properties.

advantage of acrylic stucco mixture is its high flexibility and the ability to securely and firmly adhere to the mineral types of materials.Due to this, compositions based on acrylic resins do not crack at low deformations base.Acrylic stucco is perfect for use in rooms with high humidity, because it has a low degree of water absorption.

main drawback is - the ease of ignition.Therefore, this type of plaster should not be applied to the wood surface.

Acrylic stucco is usually used for decoration indoor.They are very easy to apply and easy to any structuring.Before working with a mixture of plaster is necessary to perform a certain surface preparation by double-priming.Apply acrylic mixture using a stainless trowel and texture created manually or with a special filler which is sold separately.

Mineral decorative plaster and its features

make such plasters on the basis of minerals such as cement, gypsum or lime.It is sold in a dry powder state and before finishing work is mixed with water in the required proportion, which is written on the packaging.This decorative plaster mixture is typically used when you need to decorate the brick, plasterboard or concrete base.Before applying the final solution, the surface is treated with a primer that contains quartz sand.

Mineral plasters have high durability, moisture resistance and water vapor permeability.They all have one basic white color, so before using it need tinting process.To enhance the decorative qualities in mineral plasters add glitter and marble chips.This type of decorative finishes for interiors and facades of buildings.The main disadvantage of mineral compounds is considered a low ductility, which leads eventually to the inevitable formation of microcracks.

Silicon decorative trim

silicone resin adhesive is the basis for this type of plaster.This is a fairly new type of decorative finishing stucco mixture that has a high elasticity and moisture resistance.It is noteworthy that the silicone decorative plaster good "breathe", thus contributing to the preservation of the optimum mode of humidity in the room.

good advantage for the consumer is a self-cleaning property of the plaster when applied outside of the building.Under the influence of atmospheric precipitation from the wall surface coated with the composition, removes any water soluble dirt.Surprisingly, the number of color variants in silicone plaster over 6000, which can rightly be considered a record.

term operation of the decorative covering up to 25 years.This is not surprising, because it does not crack and has a very high adhesion to any surface.The disadvantage is considered to be the high cost of silicone plaster, and the need to use expensive primers.

Silicate decorative plaster

For this kind of plaster mixtures astringent basis is the "liquid" potassium glass.This decorative plaster already sold off the shelf.It is characterized by high durability coatings, excellent adhesion to a finished surface, elasticity and durability.There is one drawback - a very limited range of colors.

Working with silicate plaster mixture requires great care and skill, because the liquid glass hardens very quickly.

Classification of decorative plaster mixtures according to the process of creating the figure

All decorative plaster can be applied to the surface in different ways.Here they are:

• Drawing on the finished surface is applied "mapping method".It involves the use of Venichka, special brushes or brush, roller embossed with applied ornament.
• plasters, which are added in large granules of mineral filler.Here, after the first ukryvochnogo layer deposited on the wall of the mass is spread with a spatula or trowel.As a result of mixing the grains formed on the wall of a deep drawing.The most famous and popular example of this is considered a finishing plaster structure "bark beetle".
• textured plaster applied way air spraying, roller or spatula.Their leveled using a trowel, then the coating does not require additional processing.

Popular and known to all Venetian plaster is one of texture.Its main advantage is considered to be the effect of an inner glow, which is achieved through the use of natural marble dust, as well as a protective layer of transparent wax.This plaster is the most difficult on the complexity of the application process.To achieve the desired effect, it is necessary to apply 3 - 4 decorative layer, drying previous waiting.

Manufacturers of decorative plaster mixtures and indicative prices

product not so much in the world of manufacturers of decorative plaster mixtures, which guarantee the high quality of its finishing compositions.Most often in the construction shelves can find products of the following brands: Knauf (Knauf), Ceresit (Ceresit), Vetonit (Vetonit), Baumit (BauMit), Caparol (Caparol) and Weber (Weber).

cost of mineral decorative plaster mixtures depending on the region of sale, and the manufacturer can range from 8 to 12 USDa 25-pound bag of powder.The average expense of a plaster in the range of 2.5 - 4 kg per 1m2.

Price silicate composition for decorative wall finishing starts at 14 and ends at 40 USDfor a standard 25 kg bag.Consumption of such mixtures is from 1.5 to 4 kg per 1m2.Thus it is highly dependent on the size of the filler granules.Price acrylic plaster is within 15 - 38 cu / 25 kg at a rate of 1.5 - 3.5 kg / m2.The silicate mixture are 30 to 70 US dollars per 1 m2, and their expense - 2.5 - 3.9 kg per 1m2 of finished surface.

What are the ways of drawing on the walls of plaster

main charm to the consumer in a decorative plaster is that you can create a unique surface with absolutely exclusive pattern, if desired.This is not surprising, because there are a large number of technologies and techniques by means of which the image is applied.We now consider several options for how your own hands to apply a decorative plaster with the simplest of techniques and technologies.

Any finishing work starts with surface preparation.By this step should be taken with due care and diligence, so you are not disappointed in the quality of their work.After all, a poorly prepared wall, even the most expensive material can not help but fall off.Perfect alignment of the surface under the decorative plaster, except for the Venetian, is not required.Be sure to only have to remove the old finish, dust and carefully seal the crack.Then, double-wall composition of the soil, which is recommended in the instructions to your plaster.

Finishing work need the following simple tool:

• Various size spatulas.
• Grater made of plastic.
• ordinary steel trowel.
• Tanks and water solution.
• roller for applying textured plaster.

If you have purchased is not ready pasty plaster, then first carefully read the instructions supplied with the material to obtain the desired consistency.Kneading working solution without need of any stock, with the expectation of fast full production.Otherwise you will have to just throw grabbed mixture.

Beginners can practice on a piece of drywall before you go to these walls.Apply prepared plaster trowel, so that the new smear necessarily overlaps old about 5-6 mm.After a low-energy curing composition and the loss of their wet shine, and it's about 15-20 minutes of time on it are soaked in water and ironing board.This should be done without strong pressure very accurately giving the desired finished surface pattern and texture.Trowel must be periodically cleaned, placed in a container with water.

Beginners do not need to start finishing, using sophisticated techniques of decoration.Just gently apply the plaster mixture in the form of countervailing broad strokes, waves, intersecting lines or circles.Definitely facilitate the work of the rubber shaped roller, using which it is easy to create a beautiful and clear pattern.

work with decorative plaster requires maximum speed, as ukryvochny layer dries quickly.Special attention should be paid to the docking of the neighboring areas, so as not to make some irregularities and changes.Having mastered the simple methods of application, it is recommended to gradually move to more sophisticated techniques of decoration.

wizard who has mastered the technology of application of decorative plaster can transform the interior not only their homes but also to be employed to give not a bad income.