Choosing glue for aerated concrete blocks – features, brands

Choosing the appropriate glue is essential for maintaining the stability and durability of your aerated concrete block construction. Known for being lightweight and insulating, aerated concrete blocks require a particular kind of adhesive to adhere well. The performance of your walls can be greatly affected by the glue you use, with choices affecting everything from structural integrity to thermal insulation.

When choosing glue for aerated concrete blocks, there are a number of things to take into account. Strong bonding must be achieved by the adhesive while taking into account the blocks’ porosity. Additionally, it ought to be simple to use, facilitating a seamless application procedure. The glue must also provide weather resistance in order to endure changing environmental conditions over time.

Aerated concrete adhesives are the specialty of several brands. Every brand provides distinct formulations to meet various construction requirements. Ytong, Ceresit, and Porofix are a few well-liked options; they are all recognized for their dependability and effectiveness. Making an informed decision that meets the needs of your particular project can be facilitated by being aware of the features and advantages of these brands.

This post will discuss the essential features of aerated concrete block adhesives, showcase some of the best brands on the market, and offer advice on selecting the ideal adhesive for your building requirements. Whether you’re a do-it-yourselfer or a professional builder, this guide will give you the skills to choose the best glue for your aerated concrete block projects.

The composition of special glue

The following ingredients are found in glue for aerated concrete blocks:

• High -quality Portland cement.
• Sand of fine granularity.
• Polymer substances to improve properties.
• Auxiliary modifiers for better strength and other characteristics.

In the past, the masonry for aerated concrete blocks was done using a regular solution, as their use had just started. But the concrete extended the liquid very quickly, which is why the strength was drastically decreased. The situation has improved since the introduction of specialty glue for aerated concrete.

The unique mixture started to take up less room and kneading has gotten simpler. However, despite all of this, labor costs remained the same because fewer improved glues were used.

Blocks can be qualitatively fastened because the aerated concrete laying glue’s composition offers the ideal fluidity to fill tiny pores. The addition of manufacturers to different modifiers to enhance quality is another positive development.

Citation! The mixture’s heat conductivity is lowered when glue contains extra ingredients. Heat loss through the joints is negligible with a 3 mm layer.

However, the blocks themselves need to fulfill a few requirements in order to produce high-quality work. They should have an even surface for dependable fastening. It won’t be possible to level the surface and conceal the obvious flaws because the glue layer is extremely thin.

It’s important to take into account aspects like adhesive strength, application ease, and weather suitability when selecting glue for aerated concrete blocks. To meet these demands, various brands provide special formulations that guarantee dependable and long-lasting construction. This post will walk you through the essential characteristics to consider and suggest premium brands that will provide the best possible performance and value for your construction projects.

Types of glue

Certain compounds can be used under specific conditions because of the unique properties that modifiers in the gas block adhesive give them. There are two types of adhesive mixtures that are used for laying blocks: summer and winter. The final option is an all-season option; during the warm season, it can be used without any limitations. Its use is restricted in the summer months because it is only allowed at plus temperatures.

Summer

The summer version of glue for blocks has a white sequence in the design. The finished seam appears clean and attractive because it is essentially never exposed against the backdrop of a gas block. It is possible to get by without adding extra decoration thanks to this feature. Representatives: crepe, mixmaster.

When the temperature is at least +4 degrees, summer glue can be used for blocks. When crystallization takes place with a negative value, the mixture’s quality substantially deteriorates.

Citation! Winter glue should be used whenever there is a possibility of a temperature drop below 4 degrees during construction.

Winter

Modifiers that keep fluids from freezing and make the final mixture more malleable are already present in winter glue. Useful to -15 degrees Celsius. One drawback of the composition is that it will take longer to harden, which will lengthen its lifespan. It can be used for several hours after kneading, but regular glue loses its properties after thirty minutes.

The winter glue used for aerated and gas silicate concrete blocks is not very beautiful. It turns dark after solidification and is very different from the original material.

Citation! The use of glue increases in the winter at below-freezing temperatures, but this is only beneficial to the strength of the bond.

Proportions of the preparation of the solution

Qualities of a premium block glue preparation include:

• You should read the instructions for the product, even if there was previously experience working with it, because different manufacturers may differ in the properties and methodology of preparation.
• A 10 kg of the mixture is taken about 1.5-2.5 l of liquid.
• First, water is poured into the container, then the powder is filled. If you do the opposite, lumps are formed, and it will be problematic to remove them.
• To knead it is better to use a construction mixer, which is turned on at low speeds.
• After receiving the desired consistency, you need to wait a few minutes, and then mix.

Citation! Following preparation, the mixture can be used for 30 minutes, or for 2-3 hours in the case of winter compositions. The solution’s qualities start to decline after this point.

It is best to mix the glue in portions because if it isn’t used by the deadline, you’ll have a fresh solution ready to go, which will greatly increase consumption. It is advised to keep the glue at a temperature of at least +10 degrees throughout the year.

For every single brand, there is an individual material consumption. During operation, air temperature is also important. The value of consumption on average is between 15 and 20 kg per meter. Additionally, some mixtures use as little as 2 kg per meter, which is a much smaller amount. The quality of the blocks themselves will have an impact on consumption in addition to the adhesive’s properties.

Advantages of using glue

Block adhesive with specific benefits can be identified as follows:

• Low material consumption.
• Thin seams – no more than 5 mm.
• Quick preparation and reduction of laying time.
• Reliable clutch for a long time.
• Fast capture.
• Condition of heat.
• High level of aesthetics.

Flaws

Minuses a great deal at block glue. The only discernible difference is that glue is only effective on even, smooth gas blocks.

The longevity and structural integrity of your building project depend on the glue you use for aerated concrete blocks. The particular adhesive needed for this kind of concrete must be able to handle its special qualities, like its high porosity and low density. It’s crucial to choose adhesives made especially for aerated concrete if you want to guarantee a solid bond and best results.

A number of brands provide premium adhesives designed specifically for aerated concrete blocks. Ytong, H+H, and Aeroc are well-liked choices that offer dependable bonding and are simple to use. Builders trust these brands because of their reputation for reliability and toughness. Take into account the particular needs of your project, such as moisture resistance, setting time, and thermal insulation, as each brand may offer a different formulation.

To get the best results, you must also carefully follow the manufacturer’s instructions. The glue must be mixed, applied, and cured properly in order for it to function as intended. Furthermore, using dry, clean blocks and preserving the ideal environment can greatly improve the adhesive’s performance.

In conclusion, choosing the proper glue for aerated concrete blocks entails being aware of the specifications of the material and picking a reliable brand that satisfies them. A sturdy, long-lasting bond that will withstand the test of time can be ensured for your construction project by investing in a high-quality adhesive and following the recommended application procedures.

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