Air-tight Systems | Enervate

By: Enervate  05/12/2011
Keywords: Trained Installers

Enervate are fully trained installers of the PRO-CLIMA intelligent air-tight system, the only full system in Ireland to have an IAB agrement certificate.

Pro-clima are based in Germany and have been providing Intelligent airtight and windtight building solutions since 1981 with their products used in some of the most airtight constructions in Ireland, the UK and throughout Europe. They lead the field in the development and manufacture of Intelligent, high performance sealing systems for thermal insulation in constructions.

Sustainable design and construction to achieve Low Energy, PassivHaus and Zero Carbon homes is now at the forefront of the building and planning process. Codes and standards are in place which aim to reduce carbon emissions and create homes that are healthier and more sustainable. The only way to achieve PassivHaus, Low Carbon and Zero Carbon building is to ensure a high level of airtightness is attained.

That means designing and installing a continuous seal around the internal fabric of the external envelope to eliminate unwanted draughts. Once the airtight vapour check is in place and sealed with pro clima’s flexible and durable tapes, seals and glues, it ensures that the insulation functions to its optimum performance, saving energy and drastically reducing carbon emissions for the lifetime of the building.

The pro clima range of airtight building systems offer an ‘Intelligent’ option. This differs greatly from conventional vapour barriers and vapour checks as the membranes may become more vapour ‘diffusion open’ when required. This means that they have the ability to alter their diffusion resistance depending on the average relative humidity surrounding the vapour check, thus ensuring that interstitial condensation risk is minimised, ensuring no structural damage from moisture, mould, rot and damp.


Pro-clima INTELLO® PLUS features humidity-variable diffusion resistance. It gives maximum protection to thermal insulation where moisture entry may have occurred. This may be through leaks, damp building materials or diffusion through adjoining structural surfaces. Intello plus possesses the world’s best and most effective variable diffusion resistance.

This ensures optimum protection for all fibrous insulating materials in all constructions, whether they are vapour diffusion permeable or vapour diffusion resistant externally such as pitched roofs with bitumen sheeting or metal sheet roofing, flat roofs and walls with a diffusion resistant exterior cladding.

Advantages of INTELLO PLUS

  • Provides optimum protection for all thermal insulation systems in roofs, walls and floors.
  • Offers high diffusion tightness in winter and maximum diffusion openness in summer.
  • In winter, its high diffusion resistance provides ideal protection for the building’s structure against condensation.
  • In summer, its low diffusion resistance facilitates rapid drying.
  • It is translucent, easy to install, fully recyclable.
  • It offers the ideal solution to structures that are difficult to protect against condensation e.g. flat roofs, flexible metal sheeting, etc.
  • INTELLO PLUS provides lasting protection from mould growth, which protects the health of the occupants and structural durability.
  • Meets with the durability requirements of EN 13984.
  • Has a very high nail tear resistance due to reinforcing layer.

It is estimated that we spend up to 90% of our life in buildings. Therefore indoor air quality and anything lending itself to reducing risks associated with mould growth is desirable. Mould, rot and fungus may occur as a result of excessive moisture penetration to the fabric of the building. The pro-clima system eliminates any potential for this damage due to its ability to allow drying to occur, resulting in a much higher level of air quality in the house and creating a far healthier home and durable building.

A satisfactory ventilation system has to be planned in the design process for every building. The ventilation system will vary depending upon the levels of airtightness to be achieved and the home owners’ requirements, from passive ventilation to mechanical ventilation systems for zero carbon and Passivhaus design. While ventilation is intended, air leakage is not! The key is to control ventilation and minimise leaks. Of course one can open a window in an airtight house, however, in an airtight house, when the window is closed, no air leakage occurs around the window frame or cill.

To achieve maximum thermal efficiency insulation must be completely sealed on both sides. The insulation is then protected against the elements on the outside by the SOLITEX PLUS membrane and against the penetration of indoor air and vapour on the inside by the airtight seal (e.g.,vapour check) on the inside. The construction is now windtight externally and airtight internally.

Keywords: Trained Installers

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