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I have attics to isolate there is nothing currently. What kind of insulation can I put and ground to insulate, what can be expected? The walls are rough.

If you insulate the floor of your attic then it will not be useful to insulate the gable walls unless you do not want to convert your attic into a habitable room. By insulating the floor you will create a more effective thermal and acoustic barrier. For soil insulation prefer blown mineral wool or unroll 30 cm of mineral wool on the ground in two perpendicular layers. Two sheets deal with the topics, one for the COMPLETE LOADING OF THE ATTIC and one for the INSULATION OF THE LOST COMBLES.

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