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Large-scale roof renovation and cool roof in one - advantages of Hyperdesmo system

01 of March '25

From the series "Products for Industry - Solutions and Technologies 2025"

Today's construction industry places high demands on investors and contractors in terms of durability, efficiency and ecology. One of the key areas where these expectations intersect is the roof - especially in the case of flat roof structures, which are extremely vulnerable to weathering and intense heating. A solution that not only provides effective waterproofing, but also significantly affects the thermal comfort of the building, is Hyperdesmo's liquid polyurethane membrane system.

Why are flat roofs particularly vulnerable to wear and tear?

Flat roofs are particularly demanding because of the risk of permanent water-logging and intense exposure to UV radiation and extreme temperature amplitudes. Even minor leaks can lead to serious moisture problems and deterioration of the building. Traditional solutions, based on paper or PVC films, involve a lot of joints and seams that can weaken over time.

Renowacja dachu wielkopowierzchniowego i chłodny dach w jednym - zalety systemu Hyperdesmo

Large-scale roof renovation and a cool roof in one - the advantages of the Hyperdesmo system

© Alchimica

Hyperdesmo liquid membrane - flexibility, durability, simplicity

The Hyperdesmo system is based on a single-component, cold-applied polyurethane resin that, once cured, forms a seamless, flexible and waterproof coating. Its exceptional mechanical properties (elongation at break >600% at 23°C) and excellent adhesion to various substrates (including old coverings) make it applicable to numerous renovations of depleted roofing and new construction.

Renowacja dachu wielkopowierzchniowego i chłodny dach w jednym - zalety systemu Hyperdesmo

Renovation of a large-surface roof and a cool roof in one - advantages of Hyperdesmo system

© Alchimica

Advantages of the Hyperdesmo system:

  • application without welding and gluing,

  • very high resistance to UV radiation (100% aliphatic membrane!) and ozone,

  • possibility of application on existing roofing (tar paper, PVC, TPO/FPO, sandwich board),

  • very low structural loading (approx. 2.3 kg/m²),

  • also used for spot repairs,

  • service life of at least 25 years (class W3),

  • fire resistance: broof(t1 oreaz t4).

Renowacja dachu wielkopowierzchniowego i chłodny dach w jednym - zalety systemu Hyperdesmo

Large-scale roof renovation and cool roof in one - advantages of Hyperdesmo system

© Alchimica

"Cool roof" technology - benefits not only in summer

In an era of climate change and rising energy costs, the ability of roof membranes to reflect solar radiation and return heat is becoming crucial. Hyperdesmo fits perfectly into this philosophy with its high solar reflectance index(SRI), which was determined in accordance with ASTM E1980-01.

Test results:

  • average solar reflectance: 82,2% ± 0,1%,

  • average emissivity: 0.87 ± 0.2,

  • significant reduction in roof surface temperature.

The result? By obtaining SRI=102, we can talk about the so-called passive cooling of the building (without energy expenditure). This has a capital effect on reducing the phenomenon of the urban heat island, reducing the intensity of air conditioning operation in the warm months, improving the efficiency of photovoltaic installations and extending the life of the roof structure (thanks to a lower temperature amplitude).

Renowacja dachu wielkopowierzchniowego i chłodny dach w jednym - zalety systemu Hyperdesmo

Renovation of a large-area roof and a cool roof in one - advantages of Hyperdesmo system

© Alchimica

Renovation without ripping - ecologically and economically

Instead of the costly and cumbersome replacement of the old roofing, Hyperdesmo makes it possible to seal the roof without removal. This not only reduces investment costs, but also has a positive impact on the environment - less waste, less transportation, less energy consumption. Not surprisingly, the solution has gained recognition in the industrial, commercial and public sectors - including such demanding locations as the roof of the Great Millimeter Telescope in Mexico, located at an altitude of 4,600 meters above sea level.

An investment that pays off

Hyperdesmo 's liquid polyurethane membrane system is a state-of-the-art solution that meets the highest standards for durability, resilience and energy efficiency. It not only provides reliable waterproofing, but also fits into the strategy of sustainable construction, reducing energy consumption and the impact of buildings on the urban microclimate.

If you are looking for an effective and proven solution for renovation or new roof waterproofing - Hyperdesmo is the choice that combines future technology with practical benefits in the here and now. In Poland, over the course of a decade, renovation of more than one million sqm of flat roof surfaces has been carried out using the Hyperdesmo system. These include such buildings as large-scale shopping centers, warehouses and logistics centers, production halls, office buildings. Housing cooperatives and communities are also an important group of customers.

Alchimica Polska Sp. z o.o.

Contact the region supervisor:

https://alchimica.com.pl/kontakt

[email protected]

tel. (+48) 32 41 102 41

For more information, visit the company's {tag:Manufacturer} page on the PdA portal.

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