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Steam and Sauna

Sauna Specifications

MrSauna Sauna Rooms - Are now Discontinued, try this Sauna

mr.steam saunas® Documentation:

When selecting and installing MrSauna®, please pay attention to the following specifications:

You can also view the Engineering Specifications.

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Pre-Built Sauna Materials and Fabrication

Wall and Ceiling Construction
Manufacturer’s standard prefabricated, demountable, panelized system

Sauna Interior Finish
1 x 6 V-joint T&G boards machined from clear softwood lumber kiln-dried to average 10% or less moisture content, sanded smooth. All boards full length, glued with construction adhesive, and blind nailed with 4d galvanized nails or equivalent power stapling onto fir framing.

Wood Specs
A & better clear western red cedar or clear all-heart redwood.

Sauna Insulation
1" from board insulation, R11 factor.

Exterior Wall Finish
1 x 6 V-joint T&G boards as specified for sauna interior on exposed walls or ¼" Luan mahogany plywood on wall concealed by other work.

Exterior Ceiling Finish
Same as walls.

Sauna Floor Construction
Removable wood duckboards constructed of blind fastened vertical grain boards of same species as interior finish, laid loose over permanent finish flooring.

Sauna Bench Construction
1x4 or 2x2 clear vertical grain cedar with 1x4 face and frame members. Use galvanized nails and fasteners, concealed where possible.

Sauna Door
All cedar door with tempered, smoked vision panel, wooden door pull, self-closing hinge on mahogany jamb.

Sauna Accessories
Provide manufacturer’s standard accessories as follows:

  • Sauna thermometer.
  • Wooden water bucket and ladle.
  • One headrest and backrest.

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PreCut Sauna: Materials and Fabrication

Wall Framing
Masonry or concrete walls to be stripped with 2x4 dry framing material 16-inch centers to provide nailing of wall paneling. Frame walls to be standard stud walls. If interior cedar is to be mounted vertically, horizontal furring strips are required.

Ceiling Frame
Ceiling height roughed to 85" with ceiling joists consisting of 2x4, 2x6, or 2x8 dry fir 16-inch center.

Door Framing
Rough opening for manufacturer’s standard sauna door should be 26" x82".

Sauna Interior Finish
1x6 V-joint T&G boards machined from clear softwood lumber kiln-dried to average 10% or less moisture content, sanded smooth. All boards full length glued with construction adhesive, blind nailed with 4d galvanized nails or equivalent power stapling.

Wood Specs
A & better clear western red cedar or clear all-heart redwood.

Sauna Insulation
Foiled-faced (inside) glass fiber blanket of thickness required to fill cavity between interior and exterior finish with a minimum "R" factor of 11 for both walls and ceiling or 1" U.L. rated flame retardant foam boards insulation.

Exterior Wall Finish
As selected by architect.

Exterior Ceiling Finish
Same as walls.

Sauna Floor Construction
Removable wood duckboards constructed of blind fastened vertical grain boards of same species as interior finish, laid loose over permanent finish flooring.

Sauna Bench Construction
1x4 or 2x2 clear vertical grain cedar with 1x4 face and frame members. Use galvanized nails and fasteners, concealed where possible.

Sauna Door
All cedar door with tempered, smoked vision panel, wooden door pull, self-closing hinge on mahogany jamb.

Sauna Accessories
Provide manufacturer’s standard accessories as follows:

  • Sauna Thermometer.
  • Wooden water bucket and ladle.
  • One head rest and backrest.

Ventilation Openings
Inlet ventilation openings must be located at the bottom of the wall as close to floor level as possible.

  • Rooms with a floor area equal to or less than 31 sq. ft. require ventilation openings of 9.3 sq. in. or more. High altitude installations may require reduced ventilation openings.
  • Rooms with a floor greater than 31 sq. ft. require ventilation openings equal to the floor area multiplied by (0.3).
  • Outlet ventilation openings must be located at the top of the wall as close to ceiling as possible and must be the size of the inlet openings.

Warning! Sauna room to be properly vented. Air flow heater should not be restricted.

Failure to do so may result in oxygen depletion or an improperly functioning heater. Fire sprinkler systems used inside any sauna room should be properly rated for sauna room temperatures. Failure to do so may result in defective fire prevention system.

Caution! Do not locate benches over heater. Minimum height of ceiling above heater 40".

Failure to do so may result in a fire and/or smoke hazard.

Do not place or install any unapproved products or materials inside the sauna room.

Do not use any stains or finish on sauna room interior. Doing so may result in dangerous fumes or fire.

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Spa Series

 Heater Model Maximum Cu. Ft. Maximum Room Size  kW Voltage//  Phase  Amps
SA - 1A1 84 3' x 4' 1.7 120/1 14
SA - 2C1 112 4' x 4' 2.2 220-240/1   9
SA - 4C1 175 5' x 5' 4.5 220-240/1 19
SA - 6C1 252 6' x 6' 6.7 220-240/1 28
SA - 6C3** 252 6' x 6' 6.7 220-240/3 16
SA - 8C1 392 7' x 8' 7.6 220-240/1 32
SA - 8C3** 392 7' x 8' 7.6 220-240/3 18

** Requires Contractor CNTR-2

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Millennium Series

 Heater Model Maximum
Cu. Ft.
Maximum
Room Size
 kW Voltage//  Phase  Amps
SA - 10C1*** 616 8' x 11' 10 220-240/1 42
SA - 10C3** 616 8' x 11' 10 220-240/3 25
SA - 12C1**** 770 10 'x 11'
12
220-240/1 50
SA - 12C3** 770 10' x 11'
12
220-240/3 29
SA - 14C1**** 910 10' x 13'
14
220-240/1 59
SA - 14C3** 910 10" x 13'
14
220-240/3 34
SA - 16C1**** 1120 10' x 16'
16
220-240/1 67
SA - 16C3** 1120 10' x 16'
16
220-240/3 39


When ordering Millennium (100% Stainless Steel) add the letter "M" to heater model number. When ordering Pro Series (Stainless Steel exterior) add the letter "P"

Room sizes are based on interior room height of 7'.

Models SA-1 to SA8 measure 14" W x 24" H x12" D and weigh 60 lbs., plus rocks.

Models SA-10 to SA-16 measure 20" W x 28" H x 16" D and weigh 90 lbs., plus rocks.

208/3 Phase available on Models SA-6 and larger.

** Requires Contractor CNTR-2
*** Requires Contractor CNTR-3
**** Requires Contractor CNTR-4

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Models SA-1 to SA-8

  • Rocks: 30 lbs. (standard) or 60 lbs (optional)
  • Sauna/One Control Location: On heater (standard) or on room exterior (optional)

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Models SA-10 to SA-16

  • Rocks: 90 lbs. (standard)
  • Sauna/Two Control Location: room exterior (standard)

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