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Rooftop insulations

Rooftop waterproofing with Hyperdesmo

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Hyperdesmo is a one-component, spreadable, elastic polyurethane-based, fast curing, thick layer membrane. It consists of a pure elastomeric hydrophobic polyurethane resin plus special inorganic fillers, which result in excellent mechanical, chemical, thermal, UVA - UVB and natural element resistance properties. Because of its unique composition, it cures quickly and forms a rigid and waterproofing membrane with strong adhesion to many types of surfaces.

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Application method:

  • Remove all loose mortar, clean the surface and smooth out with cement grinder.

  • Clean the surface using a 200 bar high-pressure washer and special robotic machine. 

  • Fill joints or cracks with polyurethane mastic Hyperseal 50 FC or Sikaflex 11 FC.

  • Apply Aquadur, a two-component epoxy coating or Universal Primer 2K-4060, a two-component polyurethane coating to the entire surface and the edges for a height of up to 18 cm, to achieve excellent anchorage of the polyurethane system.

  • Install the reinforcement, Geotextile 50 Pressed, a polyester textile, to vulnerable areas, where necessary, to reinforce the insulation.

  • Application of two coats of Hyperdesmo Classic polyurethane membrane with 800% elasticity and a total consumption of 1.5 kg/m2 to 1.8 kg/m2 for complete waterproofing.

  • The insulation is further reinforced by applying a coat of Hyperdesmo-A 500 or Ady-E fully aliphatic polyurethane fluid to increase resistance to solar radiation and protect the paint.

Optionally:

  • To achieve the maximum result in the long run, even in the most demanding conditions, we recommend total reinforcement with the Geotextile 50 Pressed membrane on the entire surface.

  • For better walkability, it is recommended that ADY-E with colour and quartz sand is applied to the entire surface and a second ADY-E coat is applied.

Not recommended for:

  • Loose substrates like lightweight concretes (perlite, foamed concrete, etc.).

  • Waterproofing of swimming pool surface that come in contact with chemically treated water.

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The benefits of insulating rooftop buildings with Hyperdesmo:

  • Offers long-term waterproofing.

  • Has excellent adhesion to concrete.

  • Cures quickly, i.e., it creates final film in two hours.

  • Offers vapour permeability

  • Is resistant to hydrolysis, microorganisms and chemicals.

  • It forms a continuous waterproofing membrane without joints.

  • It is extremely resistant to UV radiation as well as thermal and mechanical strains.

  • The white colour reflects the sun and in the summer months reduces the building’s interior temperature by 3oC to 5oC.

Customer reviews for our Rooftop Waterproofing

5.0
82 Reviews
Exceptional result...
Exceptional result. Professionals in their field.
Charalampos Symeonidis
26 Jul 2021
Simply excellent...
Mr. Goumas was recommended by an acquaintance. The project involved waterproofing the rooftop of a 1955 building in the centre of Athens. There were many objective difficulties. Communication was polite, pleasant and professional. The implementation schedule was quick and based on the needs of the building. The work crew was professional, consistent and quiet. Payment was based on the occupants’ abilities. The result is simply excellent even one year after the completion of the project. I strongly recommend ‘Goumas Modern Insulation Systems’.
Spyros Farlopoulos
15 Jul 2021
A reliable company...
A reliable company, consistent with the written agreement which was followed to a tee. They was also willing to resolve small technical difficult which were my concern. Experienced work crew and Mr. Goumas was always willing to answer any queries that arose while carrying out the job. I was left with a great impression and a written warranty after the job was finished. I recommend him.
Lily Achriani
17 May 2021
I strongly recommend him...
I installed thermal insulation and waterproofed the rooftop of my home in November 2020. After such winter with so much rain and snow, I notices a great difference. I have had any problem till now. My collaboration with Mr. Goumas was very good. Punctual, responsible, his work crew was excellent at their work and everything was done under his and his engineer’s supervision. I strongly recommend him.
Konstantinia Fintzou
12 Apr 2021

Probably the only ones

who give a real guarantee for the insulations we install.

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We are 1 of 100 members

of the Panhellenic Association of Insulation Companies.

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We are 1 of 23

certified insulation companies.

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Certified Insulation

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