How to choose brick for furnaces?

Despite all the advances of various technologies in recent years, homes of many of our citizens are still heated with furnaces anachronistic. However, for reliability and unpretentiousness of this type of heating is still not equal, and therefore such an approach in many cases is justified. in the construction of furnaces do not forget that the temperature in the furnace can reach 800 degrees Celsius.

And therefore should not be used for laying common brick: it is suitable for ovens bad. Often use fireclay or refractory varieties. This brick is made from especially dense red clay, fired in a special mode, and therefore the degree of resistance to aggressive environment is far superior to standard products.

Stacking oven, pay attention to the frost resistance of the used material. Oddly enough, but the brick for furnaces must have this quality in full measure. This is especially true in the case when the furnace is in the room which is heated only from time to time. That's why in the holiday seasonal homes it is best to put the furnace and fireplaces of fireclay brick. It is not only the most refractory, but almost does not crack even under the influence of significant temperature fluctuations.

Among other things, it allocates a beautiful straw-yellow color: these furnaces made of bricks, photos of which you can see in the article are ideal for almost any decor, and decorating the house. It should be noted that when coating them with a special varnish, which is also in excess of represented industries, you can get a truly magical beauty.

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In today's construction market fire brick for furnaces (the price of which is quite large) presented in a fairly wide range, but the breadth of choice should not put you in a deadlock. Choose the most popular and frequently used brand: SHA-5 SHA-8, which will cover the needs of the average stove in almost all cases. If you talk about the differences between these two species, they are small: just SHA-8 can withstand temperatures of 50 degrees Celsius more, which in most cases does not matter.

In addition, refractory bricks for furnaces are much more your standard “colleague” in size, which greatly facilitates the process of laying, it is significantly speeding up. This is important because the price of such material often bite. Very important exceptional geometrical accuracy of furnace bricks. Any Builder knows how important it is to respect proportions and perfect evenness of the seams, laying the fireplace or stove.

The Second important factor is the highest quality mortar. In particular, the masonry must be carried out with a thickness not exceeding five millimeters, so sloppy work is unacceptable. Most often, the brick furnace, is placed on a clay solution that is added to a cement or fireclay mixture. It is recommended to use cement HZ-40 or HZ-50 technical specifications which are most suitable for such purposes.