Skip to product information
1 of 3

Saunainter

Building Kit — Sauna Optimal Thermo-Aspen | Interior Construction Kit with LED Lighting

Building Kit — Sauna Optimal Thermo-Aspen | Interior Construction Kit with LED Lighting

£1,577.39 Inc. VAT
Only 10 left in stock — order soon
12 people are viewing this right now
Order within for dispatch today

🔄 Free Returns – 30-Day Window (Sale Items Final)

🥇 All Products Comprehensive Warranty

🔒 Secure Checkout – SSL Encrypted

💳 0% Finance Available*


We accept:
American Express Apple Pay Diners Club Discover Google Pay JCB Klarna Maestro Mastercard Shop Pay Union Pay Visa
View full details

Building Kit — Sauna Optimal Thermo-Aspen | Interior Construction Kit with LED Lighting

The OPTIMAL Sauna Construction Kit (Thermo-Aspen) is a modern and functional solution for creating a stylish, durable and comfortable sauna. All elements are carefully selected for their materials and function — from an elegant glass door to IP67 LED lighting and a professional Tikkurila wood care system.

Thermo-aspen gives the interior a noble warm shade, is resistant to moisture and is not prone to warping — an ideal choice for a real sauna. Manufactured by Saunainter, Estonia.

Note: Materials for walls and ceiling are not included in this kit.

Item Detail
Sauna Door AD Light Premium 7x19, thermo-aspen frame, 8mm tempered glass (grey / bronze / clear — specify on order)
Door Trim Set Thermo-aspen
Modular Kit Optimal Medium, thermo-aspen — bench & interior structure elements
LED Strip 2 x 5 m, IP67 moisture-proof
Waterproof Adapter 12A
Dimmer Included
LED Strip Clips 100 pcs
Ventilation Valve 631-D Ø100 mm, cedar, adjustable
Tikkurila Paraffin Oil 1 L — protective wood impregnation
Tikkurila Supi Saunapesu 1 L — professional wood cleaning product
Specification Detail
Main Wood Species Thermo-Aspen
Ventilation Valve Cedar
Door AD Light Premium 7x19, 8mm Tempered Glass
Glass Options Grey / Bronze / Clear (specify on order)
Lighting 2 x 5m IP67 LED Strip + 12A Adapter + Dimmer + 100 Clips
Ventilation Ø100 mm, adjustable, cedar
Kit Manufacturer Saunainter, Estonia
Wall & Ceiling Materials Not included

1. Door Glass — Specify your preferred glass colour (grey, bronze or clear) when placing your order.

2. LED Lighting — Install the LED strip away from heating elements. All electrical components must be installed outside hot zones.

3. Wood Treatment — Treat all wooden surfaces with Tikkurila Paraffin Oil before first use.

4. Regular Cleaning — Use Tikkurila Supi Saunapesu for regular hygienic cleaning of wooden elements.

The AD Light Premium 7x19 door is available in grey, bronze or clear tempered glass. Please specify your preference when ordering.

No. This kit covers the interior construction elements (door, benches, lighting, ventilation and care products). Wall and ceiling materials are not included and must be purchased separately.

Yes. The LED strip is IP67 rated, making it moisture-proof and suitable for sauna environments.

This kit is manufactured by Saunainter in Estonia.

Thermo-aspen is heat-treated without chemicals, making it moisture-resistant, geometrically stable and resin-free. It has a noble warm tone and does not warp or crack over time.

For full details on shipping timescales, costs, and delivery options, please visit our Delivery & Shipping page.

For information on returns, refunds, and our returns process, please see our Returns & Refund Policy.

Worldwide Delivery Anywhere

Worldwide Delivery Anywhere

Genuine Brand Products

Genuine Brand Products

Price Match Guaranteed

Free Consultations Available