As the most common method of thermal insulation of facades today, sticking mineral wool or polystyrene boards to external walls is followed by finishing work. This technology is relevant for almost all regions of Russia, because 40% of heat leakage occurs precisely through the outer walls. For such work, facade glue is usually used. It can be designed to install different materials.
It is important to approach the issue of glue choice. Some of its varieties are intended for use at positive temperatures, while others can be applied over a wide range of temperatures. It is important to take into account also the base material, as well as the level of adhesive ability. Many consumers pay particular attention to the manufacturer. For example, “Ceresit” has established itself in the market of relevant materials, so its products are so popular.
Cement based adhesive
Cement-based formulations contain additives and fractional quartz sand. Such mixtures have high adhesion to mineral wool and foam. As a result, it is possible to obtain a layer that is resistant to cracking, is weather resistant and tear-resistant. The structure eliminates the formation of cold bridges, prevents the formation of condensation between the wall and the insulation, and additives allow you to work even at low temperatures.
Facade cement glue allows to smooth out minor defects. If the surface leveling is carried out according to the continuous method, then defects can reach 3 mm. With strip alignment, differences of up to 5 mm are allowed. When it is planned to use the beacon method of applying the composition, the depressions can reach a mark of 15 mm.
Reviews of the cement facade glue EMFIFASAD
If you need glue for facade work, then you can choose EMFIFASAD, which, according to consumers, has excellent adhesion to conventional building foundations. The latter should be sufficiently solid and durable. The surface is subject to special requirements:
- she should ensure evenness;
- it must be cleaned of traces of loose plaster, paint, oil, grease and mortar.
The basis, as users emphasize, can be brick or concrete. Glue copes with fixing polystyrene foam and mineral wool. The composition is a gray powder, the density of which is 1.3 kg / m 3 . For 1 kg of dry composition, approximately 0.3 liters of water will be needed. Consumers emphasize that the consistency of the mixture is quite viscous.
Use temperature ranges from +5 to +35 ° C. Buyers advise not to shut off too much of the mixture, because the time of its use is half an hour. This facade adhesive for foam has excellent moisture resistance, and the temperature of its application varies from -40 to +80 ° C. Adhesion in air after 28 days is 1.4 MPa. Buyers quite often choose this composition also for the reason that it is resistant to deformation.
Instructions for the use of EMFIFASAD cement glue
The above facade adhesive for insulation should be applied to previously prepared substrates. They must not shrink, and they must first be cleaned. To obtain a homogeneous mass of 25 kg of glue, about 7 liters of water should be used. The glue is kneaded in clean water at a temperature of 20 ° C.
The more porous the substrate, the more water will be required. The glue should be mixed mechanically or with an electric mixer, which should be set at 400 rpm. After mixing, the composition is left for 3 minutes to mature, then mixed again. The substrate must be moistened if the ambient temperature is 30 ° C or more.
Facade adhesive should be applied to the insulation panels with a notched trowel. It is distributed over their entire surface. If you have to work with small plates, then the application is carried out with several cakes. On the edge of the canvas you need to make a side. Then the plate is well pressed to the base.
It is important to remember that the mixture is thixotropic, so the roughness of the base can be impressive. The application of the reinforcing layer is permissible one day after gluing the plate. A fairly thick layer of glue is applied to the panel so that it can be recessed into an alkali-resistant fiberglass mesh. The material is recessed to a third of the thickness and smoothed with a spatula.
Polyurethane foam front glue
Polyurethane foam adhesive facade is quite convenient to use at low temperatures, when the thermometer has dropped below -10 ° C. Such compositions have good thermal insulation properties and a high degree of adhesion. If during work you will use polyurethane foam glue, then the cylinders with the composition are preheated at room temperature.
Curing time will be increased if the temperature is lower. Drawing is carried out by the gun, the cylinder needs to be turned upside down. Having departed from the edge of the plate 2 cm, the mixture is distributed on the back surface of the plate, then the canvas is pressed against the wall. The remaining glue is removed with a solvent, and after drying - mechanically.
Reviews about polyurethane adhesive "Ceresit ST 84"
The polyurethane adhesive facade "Ceresite" is convenient and easy to use, weakly expands upon curing and has a high level of adhesion to bases of various nature. Dowelling, according to customers, is possible within 2 hours after gluing the plates.
The mixture is uniform in structure and has excellent thermal insulation properties. Facade polyurethane adhesive, the consumption of which is one cylinder per 10 m 2 of surface, can be used, as buyers emphasize, at low temperatures and high humidity. Consumers like that the mixture does not contain freon, is water resistant and economical.
Instructions for use: surface preparation
Before you start using polyurethane adhesive, you need to prepare the base. It should be cleaned of dust, check whether it is firm. On the walls should not be limescale, efflorescence, bitumen and fats. Walls should not be covered with ice, hoarfrost or snow. Poorly secured areas should be removed.
Polyurethane adhesive instructions
Before using the Ceresit adhesive, the cylinder must be shaken vigorously for several seconds. The cap is removed from the valve, and then press on the mounting gun. The glue is applied through the center with a retreat from the edges in one strip, which will be oriented parallel to the long sides.
After applying glue, the plate is installed in the design position and pressed. Within 20 minutes, the position of the plate can be adjusted. It is important to ensure the dressing of the seams between the canvases. The gaps between the plates should not be more than 2 mm.
Reviews about WEBER THERM S100 glue (winter) for facade mesh
Quite often, when conducting external insulation works, glue for facade mesh is used. According to customers, the WEBER THERM mix is perfect for this. It allows all standard insulating materials to be bonded over a wide temperature range from -10 to +10 ° C. Consumers emphasize that the composition is especially suitable for breathing systems that are equipped with mineral wool. Glue is characterized by a high degree of water resistance, and it can be used in all regions of Russia. It is noteworthy that this composition can also be used for installation on the facade of mineral wool or expanded polystyrene.
Instruction for use
Adhesive for the reinforcing mesh should be applied to the primed surface using a spatula or trowel. Application is carried out in two layers, in the end you should get a layer whose thickness does not exceed 4 mm. To level the mixture using a notched trowel. A facade mesh is laid on the resulting layer , which is recessed into the glue. The material is left until dry, which will take about a day. After this time, you can continue to work, for example, to cover the grid with a layer of decorative plaster.
Reviews about the adhesive for facade tiles Ultra Fix Winter and the features of its use
If you need adhesive for facade tiles, you should pay attention to Ultra Fix Winter from the manufacturer Weber-Vetonit. This material is offered for sale in 25 kg bags, and is intended for outdoor use. Consumers note that the time for adjusting the tiles is not so long and equal to 10 minutes. Open time is also equivalent to 10 minutes.
It is important to pay attention to the fact that the laying temperature can be from -10 to +20 ° C. Consumers emphasize that the consumption of the mixture is quite economical and varies from 3 to 3.5 kg per square meter. Material is made in Russia, so it costs much less than foreign analogues. The scope of its use are:
- porcelain tile;
- exterior decoration of buildings;
- laying material on the facade.
This tile tile adhesive, according to consumers, is characterized by a high level of frost resistance. The composition will be able to undergo about 75 cycles of freezing and thawing. For 1 kg of dry mix, 0.28 liters of water will be needed. Glue can be used at temperatures ranging from -30 to +70 ° C. The composition remains viable for 2 hours. Grouting can be done no earlier than one day after completion of work.
Reviews on the adhesive for facade tiles Ceresit CM 117
If the above solution for facade tiles does not suit you, then you can consider Ceresit CM 117, which has many useful properties. Consumers choose this composition most often, because it:
- has a high level of adhesion;
- has excellent water and frost resistance;
- plasticized;
- resistant to tile slipping;
- Suitable for outdoor and indoor use.
The composition is universal, because you can apply it even on screeds with heating. Buyers especially emphasize that this glue is environmentally friendly. It can be used for all types of mineral tiles, among them:
- porcelain stoneware;
- ceramic;
- stone;
- clinker.
Marble products are an exception. Glue shows all its best qualities on mineral substrates like cement screeds, concrete, cement-lime plasters and cement surfaces.