Spain is one of the countries of the world with largest heritage this means multitude of singular buildings that, thanks to the effort of the society, are preserved from one generation to another.

When carrying out a restoration work there must to keep in mind the new services that the building must fulfil and depending of the state of conservation of the building, in order to bring the construction to our century, it could be necessary to replace some of the old structures.

Light roofing structures allow in most of the cases to replace old wood roofs with new resistant roofs with a lower weight that permit also an optimal spread of loads to the building.

The aesthetic impact is none because these structures are not shown and allow a traditional covering according to the age of the building.