Thermal terrace insulation: different types, advantages and disadvantages02/16/21

Thermal terrace insulation: different types, advantages and disadvantages

The thermal insulation of the balcony plays an important role in the planning and implementation of any construction project, especially when it comes to residential buildings. The reason is: it can guarantee a high energy efficiency, extend the life of all structural elements of the building and guarantees a long-term investment in real estate.


Today, in the “Atlantis Estates” blog, we will look at all the main issues related to the two types of the thermal terrace insulation - interior and exterior - and we will explain their role in the modern high-class construction.

What can be achieved by installing a high quality thermal insulation?

Applying a high quality thermal insulation of the latest generation comes with the following irreplaceable benefits for the property:


  • The heat is kept inside the house during the winter, and an optimum temperature is maintained during the summer, including in times of extreme heat.

  • The home acquires a high degree of energy efficiency - a factor that reduces both harmful emissions into the environment and household heating bills.

  • The high quality insulation materials have a long life and do not require any form of ongoing maintenance - they are an intelligent investment in the good quality home.

To achieve these effects - without unwanted side effects such as damp or condensation – the reputable construction and investment companies have extremely high requirements for the applied materials. The good quality thermal insulation for the terrace should push the cold and the damp outside by providing an uncompromising protection for the property.

Internal or external thermal insulation: advantages and disadvantages

In short, there are two types of home insulation - internal and external.


When applying internal insulation, we can observe various flaws, such as:


  • Insulation of the thermal bridges is not achieved and the wall remains cold.

  • The walls do not accumulate heat and the rooms cool down extremely quickly in the absence of additional heating.

  • The freezing point is located in the insulation itself, and when the damp freezes, structural damage to the wall can occur.


Fortunately, the external thermal insulation eliminates all these disadvantages and offers significantly greater safety and efficiency. When applying external insulation on the balcony or any other part of the property, the wall begins to act as a natural heat accumulator and the freezing point is intelligently located outside the wall.


The end result is a simple heating system, long construction life and a perfect comfort during all seasons of the year. Therefore, the external insulation is a sign of a careful planning and a professional approach, typical for the experienced investors and the construction companies.

What are the options of applying external thermal insulation?

The outer part of the balcony or terrace is traditionally placed under the direct influence of atmospheric conditions - rain, snow, damp, high temperature amplitudes and mechanical effects from the environment. That is why it is extremely important to choose a material that is suitable for the facade of the building and provides both durability and maximum energy efficiency.


When building the external insulation of a balcony, several basic materials are used: expanded or extruded polystyrene foam, styrofoam with graphite, rock-mineral wool, neopor or thermal insulation systems with silicone plaster.


The choice between alternative thermal insulation materials is a matter of concept, budget and individual specifics of the project. Despite all, some solutions are markedly more durable and definitely more meaningful than others.


In the latest generation of residential buildings, thermal insulation systems with silicone plaster are used, and their thickness can be greater on the walls facing north.


This is exactly the most widely preferred solution in the projects of “Atlantis Bulgaria Holding” - because compromises have no place where perfection is the norm.