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Sauna components

ThermoSauna

Boards and profiles for sauna builders.

Overview

Sauna components for builders.

ThermoSauna supplies sauna components to sauna builders: boards and profiles for walls, ceilings, benches and backrests. Tell us what you are building and we confirm the species and profile for each part of the room.

Who it is for
Sauna builders and manufacturers
Components
Boards and profiles for walls, ceilings, benches and backrests
Species
Nordic Pine, Nordic Spruce, Ayous
Profiles
Fineline T&G for walls and ceilings; S4S with rounded exposed edges for benches

Profiles

Profiles

Nominal sizes in inches from the 2026 range. Confirm net dimensions with us before you specify.

Two fineline tongue and groove board samples, end view

Fineline T&G

Species
Ayous, Nordic Spruce, Nordic Pine
Nominal sizes
1 x 5, 1 x 6, 1 x 8 by species
Use
Walls and ceilings
Two square edged board samples, end view

S4S

Species
Ayous, Nordic Spruce, Nordic Pine
Nominal sizes
By species; confirm with us
Use
Benches and backrests

Species

Species for ThermoSauna

Colour varies by batch. Ask us to confirm the right species and profile for each application.

Specification

Specification

All documents
ProfileSpeciesNominal sizes (in)Use
Fineline T&GAyous, Nordic Spruce, Nordic Pine1 x 5, 1 x 6, 1 x 8 by speciesWalls and ceilings
S4SAyous, Nordic Spruce, Nordic PineBy species; confirm with usBenches and backrests

Nominal sizes from the 2026 range. Net dimensions, tolerances and lengths come with your quote.

Moisture content
On request
Density
On request
Coating systems
On request
Fastener specification
On request

Documents

Drawings and guides

Every document is free to request. Nothing is behind a sign-in.

  • Product presentationPDFAvailable on request

In use

ThermoSauna in use

Full gallery
  • Knotty ThermoCraft Nordic Pine wall boards behind a sauna bench, lit from below

    ThermoCraft Nordic Pine sauna components.

  • Sauna with dark wall and ceiling lining and pale benches with under-bench light

    A sauna built with ThermoCraft Nordic Pine.

  • Curved room clad in vertical ribbed ThermoCraft Ayous in a showroom

    Ribbed Ayous on a curved showroom pod.

Tell us what you are working on.

A person on our team reads every request and replies.