When facing the challenge of renovating a building, insulation is regarded as a wasteful expenditure of money by the owners and as a major challenge by professionals due to the great diversity of insulating materials in the market.

A thermal insulation material is, generally speaking, a material used in construction and other industries to improve the thermal behavior of building envelopes. All the materials used in the building sector have a higher or lower resistance to thermal transmittance.

Polyurethane systems are the result of the reaction between two chemical components, isocyanate and polyol. The best known applications of polyurethane are by projection (projected polyurethane or spray foam) and by injection, the one that concerns us in this...

Noises inside buildings have become a problem that requires effective solutions such as acoustic insulation. The interior comfort of the occupants of a building must be guaranteed in accordance with current regulations and through optimal building practices.

The filling of the air gap of a wall is one of the techniques that can be carried out with polyurethane, as it adheres as required to the walls of the gap, something that cannot be achieved with other insufflated insulating materials such as cellulose, mineral wool...

In previous articles, we have discussed the role of polyurethane systems not only as insulators, but also as stabilizers. In the article on the renovation of metal roofs, we stressed the importance of the structural role that polyurethane acquires in the renovation...