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 Product  Supplier  QTY  Unit size  Unit Price  Prod.name-no. / Catalogue / Page no.  Price € (+VAT)
Internal framing wood for building benches Saunaexperts.ie 8 xxxx mm long (75 x 45) 12.20 Spruce battens 75 x 45 for Bench frames 97.56
 Bench boards Saunaexperts.ie 32 1800mm long 16.26 Black Alder planks for benches, backrests and Ovenguard 520.33
Sliding wooden vents Saunaexperts.ie 2 20.32 Wooden vent for exhaust vents 40.65
Wall and cieling Sauna cladding boards Saunaexperts.ie 24 2400mm long (90 mm wide T&G) 46.70 Black Alder panelling 2.4m 1,120
Ceramic floor tiles Best Tile 4 316mm x 600mm 3.60 Legend Marfil porcelain 316mm x 600mm.to cover 3.6 SQM 68
Vapour Barrier and adhesive Saunaexperts.ie 1 2100mm x 350mm 50.82 Vapour barrier (silver foil on paper) and adhesive 50.82
Alder wall cladding corner moulding Saunaexperts.ie 8 xxxxmm x 25mm 10.57 Alder Sauna corner moulding 25x25 84.55
Bronze glass Sauna door Saunaexperts.ie 1 180cm x 70cm 239.84 Bronze Glass Sauna Door 239.84
   * Areas, volumes and quantities are only estimated by the client and should be checked on-site before ordering

  Client notes for this room

 

Building the internal insulated walls
 For Sauna internal framing, the experts recommend normal pressure treated wood for framing elements that touch the concrete walls, and even normal good quality timber for all other framing wood.
For building up the benches, Thermo treated pruce is recommended

As the outer walls will be insulated with Bituthene or similar, an insulation layer of 50mm is sufficient, using a framing timber of about 55mm.

The insulation can be Polystyrene based (some use wool etc. but these are prohibitively thick and really designed to protect wooden saunas). It is a good idea to put a vapour membrane on the inside over the frames and insulation before putting on the sauna wood cladding.

Selection of wood for walls and benches
Above I have made a selection of wood options for the internal cladding and benches. Alder wood seems to be readily available in Ireland and is a good product for finnish saunas. Our concept is to have a blond wood on the walls and a darker wood on the benches.

Ventilation in and out
The sauna will have 2 main ventilation areas, one low down at the front (inlet below the oven) and two high up at the back (outlets). One of the outlets will be redirected down low and will always be open. Square Wavin piping is a good option here as it is highly resistant to heat. The other vent will offer an upper vent that can be opened and closed. For proper Sauna function this upper vent is closed to direct heat down, but can be opened when finished or to reduce heat. The wooden sliding vent is client supplied.

The Sauna Oven and control units
The oven, controller unit and control panel are client supplied. The 4,5kW oven can be operated using a single phase 250v supply with a 20 amp Fuse (with L1,L2 and L3 bridged at the controller unit) and is sufficient to heat the planned space (about 8 cubic meters after cladding). The manufacturers installation documents with safety certificates are EU compliant and part of the kit. The kit comes with sufficient Silicone cabling an d the installation instructions insist that the control panel must be on the outside wall of the sauna near the entrance door.

The door of the Sauna can be wooden but should have at least 50% clear safety glass in it to see out/in. Ideally the door should always open from the inside.

The internal heat sensor and the internal sauna light are supplied by the client and both the oven and the light can be mounted on the wall to the plant room to minimize electrical cabling in the sauna. (see the layout sketch)

             
The WEKA oven is a 4.5 kW model that can run on 250V (20A) or 400V (16A)

The Control panel below has an english language mode




                                    

   

The wiring instructions for the 250V installation is shown here.

             

Client concept for the layout (Electricals to oven and light pass through from the plant room)