| 1/ |
Seal the beams with a round-edged flat of at least 15 cm.
|
| 2/ |
Attach the rafters lengthwise along each beam. |
| 3/ |
Install the prefabricated ceiling panels on the beams, between the rafters. |
| 4/ |
Cover with the desired thermal insulation. |
| 5/ |
Attach other rafters perpendicular to the existing beams and rafters. |
| 6/ |
Install and attach pressed wood plates or other boards on the rafters in order to use the attic. |
| (You will need a design study to determine the sections of the various wood components.) |