Facade finishing plaster , master the technique !

Types of plaster for finishing the facades

The most common is the finish plaster facades of the following types: front (acrylic, silicone), and decorative cement-sand.Let us consider in detail each of them.

Silicone facade plaster are polymer coating and are made of a silicone resin.Main advantages: high resistance to UV, moisture resistance, resistance to temperature changes, water repellency, and a long service life.Decorating the house facade silicone shtukaturkoypotrebuetsya when you need durable finish.Among the shortcomings can be identified only one: its high cost.

Acrylic stucco facade are one of the most accessible and cheapest ways to trim.Facing acrylic stucco facades suitable for insulation of facades with polyfoam, since it does not transmit moisture.Also great advantage of this plaster - its high elasticity.Therefore, when the temperature drops on the surface will not appear possible damages and cracks.The main drawbacks - Strong exposure to pollution and poor vapor permeability.

cement-sand plaster made of cement, sand and various chemicals.Facade finishing cement-sand plaster is suitable in cases where the surface is affected by frequent changes in temperature.And also at low and high temperatures and at high humidity.

Decorative plaster largely intended to implement various design ideas.With their help, you can create smooth surfaces and raised all sorts of colors.Also decorative plaster can mimic other, more expensive types of finishes.This effect is achieved due to the fact that it often contain pigments, silica sand, stone chippings of different sizes, sharps from rocks and other components.

plaster facades Technology

• works are carried out at a relative humidity of 70 percent and at a surface temperature from + 5 ° C to + 30 ° C.
• Before starting the plastering work is required to produce a surface preparation.To do this, remove old layer of plaster, paint or any other coating.The surface is fully cleaned of dirt, dust, grease and bitumen.
• If the wall is made of stone, brick or block, it is necessary to clean the seams to a depth of about 1 centimeter.Next on the facade made expansion joints.They are necessary for better grip with the surface of the mixture.
• The next step is to prepare a mixture of plaster.The recipe is always written on the packaging.If the mixture is too thick, add some more water.
• is carried out by spraying plaster walls.This is done as follows.On the surface you need to throw with force and harshness is the amount of the mixture, there is necessary.The operation requires a certain skill.However, over time it is acquired with ease.
• The last stage is the grout.However it is necessary to carry out the process when the plaster has dried up a bit, but not yet completely hardened.It is advisable to do the grout after a few hours after smoothing the plaster.

Recommendations for finishing plaster facade of the house

• These works are not carried out on newly constructed buildings, as later you may experience shrinkage cracks.
• One coat thickness should not exceed 2 cm.
• Never apply a mixture containing gypsum, directly on concrete walls.Since in this case, the plaster can fall off later, or swell.You must first apply a mixture of lime plaster covering about 5 mm thick.