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TermoLlanta is a thermal insulation product for rooftops made out of crumb rubber from scrap tires that responds to ecological and social problems, such as health impacts (vectors/fires...), impacts to the ecosystem caused by dumped tires, as well as excessive consumption of electricity in rooms without insulation that lead to higher consumption of fossil fuels and greenhouse gas emissions. TermoLlanta is an active thermal rooftop insulation system that also filters and retains rainwater and increases the life of the waterproofing.

The product consists of tiles manufactured with molds and rubber granules bonded with adhesive at room temperature, forming a porous and permeable structure that gives it the ‘active insulation’ character and functions as a 'ventilated roof'. It is installed by placing the prefabricated tiles on the previously waterproofed rooftop. In addition to their insulation effects, it will also protect the waterproofing from harmful UV rays and sudden temperature changes. The tiles have a hexagonal shape and can be handled by one person. The thickness will depend on the required degree of insulation. A material with a lighter tonality is applied to the upper surface of the insulating tile to reduce the absorption of solar radiation. The bottom has a geometry that allows airflow and good drainage of rainwater, in order to avoid water stagnation.

Some of the main differences of this product with others from the insulation market are that it is made from scrap tires rubber, so in addition to reducing energy requirements, it reduces the waste/pollution problem that tires pose such as fire emissions, rodents and mosquitoes. The TermoLlanta tiles can be easily removed to move to another home or for repairs, portability makes it especially suited for rented homes. TermoLlanta reduces storm water runoff because the tile pores reduce the flow rate and retain, by surface tension, some of the water; once the sun rises, this water is evaporated causing a cooling effect by evaporation.

Furthermore, this product is defined as an "active insulation", that differs from ‘passive’ insulating materials which hinder the heat flow through them, because the incident solar radiation on the surface of the porous and permeable tiles heats up the exposed surface of our product; heat is transferred by thermal conduction through the rubber granules which dissipate some of the heat to the surrounding air; hot air decreases its density and through convection, drags the heat upwards cooling the granules it flows through creating a chimney effect. This causes a negative pressure which sucks air from the lower pores, which is replaced by air flowing through the edges of the insulating surface through the lower channels, venting/cooling the roof surface. This is why it can be classified as a ventilated roof system, making the process of heat transfer through conduction-radiation-convection system slower than in the case of 'passive' insulation.

To recapitulate, this system aims to solve health problems, air pollution by greenhouse gas emissions and tire fires toxins, as well as to reduce the consumption of fossil fuels while generating improved indoor conditions.



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  • Name:
    Anna Gabriela Bremer
  • Type of entry:
    Team members:
    Martin Bremer
    Anna Gabriela Bremer
  • Profession:
  • Anna Gabriela is inspired by:
    I`m aware that as a human being we leave a huge print on the planet, and I think that I can leave a smaller and less harmful one.
    I think that as a specie we can do better that what we are actually doing, and that we can solve more than one problem at the same time.
  • Patent status: