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heat-resistant plaster

Heat-resistant plaster: What are its properties and where can it be used?

Posted on 24 April 202510 June 2025 by vitcas

When browsing through the fireproof materials on the Vitcas website, you may come across heat-resistant plaster: What are its properties and where to use it? You will find out in the article below.

Heat-resistant plaster is a special type of plaster that is highly resistant to high temperatures and fire. Its properties make it indispensable in places exposed to extreme thermal conditions. Fireproof plaster can withstand temperatures ranging from 1000 to 1400°C. This type of fireplace plaster is also distinguished by its good adhesion and non-flammability. It is a building material resistant to thermal shock and the effects of fuel combustion by-products. It improves the aesthetics of the fireplace and can be used to repair various defects as part of regular maintenance of this heating device. It can be used to cover internal and external surfaces of high-temperature structures, both for domestic and industrial use.

Advantages of heat-resistant plaster and its use in fireplace construction

heat-resistant plaster

The heat-resistant plaster available from Vitcas does not crack or crumble under extreme temperatures. It prevents the spread of fire, which is why it is used as a plaster mortar for chimneys. It adheres well to bricks, concrete and stone, as well as some metals, so plastering the inside of a chimney with it is not time-consuming. On the other hand, plastering the outside of a chimney can be done with a weather-resistant mortar. It is worth bearing in mind that sometimes, before applying a material such as heat-resistant plaster, it is necessary to use a reinforcing mesh to prevent cracking.

What types of plaster are best suited for chimneys and fireplaces?

Choosing the right plaster for areas exposed to high temperatures is crucial. Heat-resistant plaster is a material that is ideal for fireplaces and chimneys, both internal and external.

Fireproof plaster can withstand temperatures of up to 1400°C, does not crumble or crack under thermal shock. Thanks to its properties, it is ideal as a plaster mortar for chimneys, as well as a plaster for fireplaces, improving their appearance and safety. Processes such as plastering the inside of a chimney or plastering the outside of a chimney become easier when you use the right materials, available at Vitcas. This brand’s products combine durability with ease of application and high aesthetics. Invest in plaster that protects and decorates – choose Vitcas!

See also:

Fire-resistant chimney plaster – the key to the durability of your chimney

Fireplace plaster: How do I choose the best plaster for finishing a fireplace?

Heat-resistant plaster is an indispensable building material wherever protection against high temperatures and fire is required. Its unique properties guarantee durability, safety of use and functionality of the heating structure.

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