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NB! Installing the heater closer to flammable constructions than at the
distance of the minimal required protection belt may cause fire hazard.
SAUNA ROOM
Wall materials and insulating the sauna room
In a sauna with electric heating, all massive heat accumulating wall
surfaces (brick, glass brick, rendering etc.) must be insulated to use
the electric heater with a regular output.
The following sauna wall and ceiling construction is considered
to be suiciently insulated:
• a carefully installed insulation wool layer of 4 in, minimum 2 in
(100 mm, min. 50 mm)
• the construction is damp proofed with taped aluminium paper or
other reflective material
• there is a 0.4 in (10 mm) air gap between the damp protection and
boarding
• a light wooden board that is about 0.5-0.65 in (12–16 mm) thick
has been used for interior finishing
• there is an air gap of at least 0.2 in (5 mm) on the edge of the
ceiling panels at the upper part of the wall panelling.
In order to use the heater with a regular output, it would be practical
to bring the ceiling of the sauna lower regular 83 - 91 in, min. height
of sauna room 75 in (2100–2300 mm, min. height of sauna room 1900
mm) so that the volume of the sauna room diminishes. The ceiling
is insulated with an insulation layer at least 4 in (100 mm) thick and
boarded according to the method described above.
Wood should be used to cover internal surfaces; an exception may be
made for heat resistant walls in the vicinity of the heater.
ATTENTION! Insulating the heat barrier has to be approved by the fire
inspector. Insulating flues in use is forbidden!
NB! Covering the walls or floor with light protective material, for
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