1. Tar foam gasket tape
2. Pre-drilling for electrical wiring
3. Insulation mineral wool; Roxul type.
4. One stain' coat on exterior walls
5. Pine log walls 12" (30cm)
6. Log central beam (according to plan)
7. Log joists for second floor (according to plan)
8. Log purlins for the roof (according to plan)
9. Truss with mortise and tenon joints