The wires are drawn in Metalorukava, attached to the frame so as not to damage the sleeve.
Satisfy the sauna with a lining from the ceiling.
If the ceiling of the sauna is attached directly to the ceiling of the bathtub, then before the crate, it had to be covered with pergamin. Pull the foil over the crate (fasten the buttons). Sew with boards. Between the foil and the ceiling of the bath, it is necessary to place a heater (mineral wool). This is done as follows — fix one width of the foil with boards, between it and the ceiling, place the insulation. Then again one width of the foil (overlap 10 cm), boards, insulation, etc. D.