Polyurethane Systems for building and industry

Air tightness in passive houses: closed-cell sprayed polyurethane foam

One of the main technical criteria of a passive house involves ensuring the air tightness of the enclosures that form the envelope.

Imperfections in the building envelope, in the form of holes or cracks, can cause a large number of problems, particularly during the...

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Advantages of the sprayed polyurethane in the Passivhaus construction

To achieve maximum energy efficiency, which is a prerequisite for obtaining the Passivhaus certificate, not only is thermal insulation of the enclosure essential, but so is water-tightness, which is a basic premise of this standard. Polyurethane is the most...

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Importance of insulation in Passivhaus and types

Buildings that follow the Passivhaus standard are designed for optimal energy efficiency. Thus, it is possible to reduce the energy consumption to the minimum, reaching up to 90% of what a conventional building needs. Buildings are the source of nearly 40% of the...

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Passivhaus: sustainable and healthy houses

The term Passivhaus comes from the German expression “Passive House”. It was in the 1980s that this concept was developed and it has led to a standard for low energy housing construction, that is more current than ever.

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Thermal bridges in passive houses

Passive houses must meet high demands in terms of thermal insulation and airtightness. By creating an envelope as linear as possible, we can avoid unwanted air infiltrations. To achieve this goal, it is necessary to pay attention to the sensitive constructive points...

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Airtightness in nearly zero-energy buildings and the Passive House standard

Airtightness is an important requirement for energy-efficient buildings, but it’s not the only requirement. An optimal insulation together with airtightness complies with the passive house standard. Why shouldn´t an insulating material that guarantees thermal...

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Filling boats with polyurethane foam: buoyancy and insulation

Like thermal tanks, boats also benefit from the advantages of using polyurethane as a large cavity filler. In the case of boats, filling the hull with polyurethane ensures insulation and buoyancy. The latter is a basic requirement to meet the highest quality standards.

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