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Price range: $43.42 through $48.24

Raw Thermo Aspen STS – 4 90x15MM (80 Cover)

Raw Thermo Aspen STS-4 90x15MM (80 Cover) is a premium thermally-modified Aspen lining board featuring a modern STS-4 shadow-profile design. With excellent moisture resistance, high stability, a knot-free natural finish and a warm earthy tone, it is ideal for architectural feature walls, sauna interiors, ceilings, wellness spaces and contemporary timber installations.
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Key Features & Benefits

Thermo-Modified Aspen Timber – heat-treated for reduced swelling, improved stability and superior indoor durability.

STS-4 Profile Design – subtle shadow lines between boards create modern texture and elegant visual definition.

90x15MM Board Size (80mm Cover) – efficient coverage and balanced proportioning for walls and ceilings.

Knot-Free Premium Grade Finish – consistent surface quality ideal for luxury interiors and architectural detail.

Lightweight Yet Structurally Stable – easy to handle, suitable for overhead use with reduced movement over time.

Resin-Free & Low-VOC – perfect for sauna environments with no resin bleed-out when exposed to heat.

Warm Natural Timber Tone – enhances ambience with clean Scandinavian aesthetics.

Excellent Workability – cuts, planes and installs cleanly with minimal waste or surface splintering.

Eco-Friendly Modification Process – treated with heat rather than chemicals for safer indoor air quality.

 BrandBBTS

 Dimension

Raw Thermo Aspen STS-4 90x15MM

Applications

Raw Thermo Aspen STS-4 90x15MM (80 Cover) is ideal for:

  • Sauna and steam room lining

  • Interior wall and ceiling cladding

  • Spa, retreat and wellness environments

  • Modern architectural feature walls

  • Commercial fit-outs, hotel reception & lounge spaces

  • Decorative timber surfaces & acoustic enhancement

  • Custom timber detailing and panel-based design

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Haiden Mellford
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Good owner.
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VIRAJ SINGH
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Great materials and excellent-quality timber. The timber I received was exactly as described. Delivery was on time, and the service was professional and well organised. Highly recommend this supplier.
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jeremy rose
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A wonderful surprise !!! A business that listens and delivers great product at a sensible price!! Have purchased here several times. They are friendly keen and no fuss. Perfect !!! 👍 Thumbs Up 👍😎👍
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bibin james
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Had a great experience with Bendigo Building and Timber Supplies! Yogesh was fantastic to deal with friendly, helpful, Highly recommend!
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Olivia Howard
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Had a great experience with Bendigo Building and Timber Supplies! Excellent service and quality products under one roof. Yogi was fantastic to deal with friendly, helpful, and very professional. Highly recommend!
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John Fraser profile picture
John Fraser
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Bought 21 90*35 @6m, cheaper than Bunnings and they gave me a good discount on top of that. Could not fault the delivered timber nor the service, give them a go!

Frequently Asked Questions

Ans:- STS-4 features four fine shadow-line grooves that add depth and definition, producing a contemporary lined timber appearance.

Ans:- Yes. The timber is resin-free and heat-stable, making it a preferred material for sauna construction.

Ans:- 80mm cover refers to the exposed face per board once installed, which helps calculate square metre usage accurately.

Ans:- Yes — natural oils or waxes can enhance colour depth and protection while maintaining its smooth finish.

Ans:- Thermo-modification significantly reduces movement, giving it excellent long-term stability even in humid conditions.

OUR BENEFITS

Our Commitment to You

We at Bendigo Building and Timber Supplies Make Your Timber Projects Easy and Hassle-Free

Open 6 Days a Week

Monday to Friday: 7:30 am - 4:00 pm
Saturday: 7:30 am - 3:00 pm

No Appointment Needed

Walk in anytime during business hours

Fast Dispatch

Delivery available within 24 hours of order confirmation for locations in and around Bendigo

Australia-Wide Delivery Support

For locations outside Bendigo, we partner with trusted logistics providers

Australia-Wide Delivery Support

For locations outside Bendigo, we partner with trusted logistics providers

Flexible Delivery Scheduling

We’ll work with you to arrange timing that fits your project needs

Multiple Payment Options

Pay by Cash, Card, or Bank Transfer

Expert Advice

Get friendly, practical guidance from our experienced timber specialists

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Have any Question? Ask an Expert

Due to the ongoing oil crisis, there has been an increase in the delivery charges and prices.