Raw Thermo Aspen STS-4 120x15MM (110 Cover)

New

Price range: $62.26 through $69.18

Raw Thermo Aspen STS-4 120x15MM (110 Cover) is a premium thermally modified timber board designed for interior wall and ceiling applications, especially saunas and wellness rooms. With enhanced stability, low moisture absorption and a beautifully clean grain, it provides a refined, modern finish with warm natural tone and superior performance.

Have the benefit of

Key Features & Benefits

Thermally Modified Aspen for superior durability and dimensional stability.

STS-4 Profile creates elegant linear shadow lines for modern visual appeal.

120x15MM Board Size with 110MM Cover — efficient coverage and minimal waste.

Low Resin & Pitch Content, ideal for sauna environments with high temperature.

Lightweight Timber for easy handling and fast installation.

Smooth, Fine Grain Texture suited to premium interior finishes.

Warm, Natural Colour Tone enhances relaxation-focused environments.

Low Moisture Absorption reducing swelling, shrinkage and cupping.

Non-Toxic & Chemical Free – thermally modified, not pressure treated.

Excellent Thermal Performance comfortable against skin when used in sauna seating.

Environmentally Sustainable Timber Source with energy-efficient thermal treatment.

Accepts Oils & Finishes Well to customise colour and protection level.

Brand	BBTS
Dimension	Raw Thermo Aspen STS-4 120x15MM (110 Cover)

Applications

Raw Thermo Aspen STS-4 120x15MM (110 Cover) is commonly used for:

Sauna and steam room walls & ceilings
Day spa & wellness centre fitouts
Interior feature walls & ceiling profiles
Accent lining in homes, hotels & retreats
Seating and backrest components in sauna rooms
Panelling for modern interior carpentry
Decorative design installations & warm-tone finishes

      EXCELLENT  
   Based on 6 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Haiden Mellford 
 
 
 
 Trustindex verifies that the original source of the review is Google. Good owner.
  
 
      Posted on Google  
   
   VIRAJ SINGH 
 
 
 
 Trustindex verifies that the original source of the review is Google. 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.
  
 
      Posted on Google  
   
   jeremy rose 
 
 
 
 Trustindex verifies that the original source of the review is Google. 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 👍😎👍
  
 
      Posted on Google  
   
   bibin james 
 
 
 
 Trustindex verifies that the original source of the review is Google. Had a great experience with Bendigo Building and Timber Supplies!
Yogesh was fantastic to deal with friendly, helpful,  Highly recommend!
  
 
      Posted on Google  
   
   Olivia Howard 
 
 
 
 Trustindex verifies that the original source of the review is Google. 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!
  
 
      Posted on Google  
   
   John Fraser 
 
 
 
 Trustindex verifies that the original source of the review is Google. 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

Q. Why choose Thermo Aspen for sauna construction?

Ans:- Thermal modification improves stability, reduces moisture intake, and increases comfort in heat-intensive environments – qualities ideal for sauna structures.

Q. What does STS-4 mean?

Ans:- STS-4 refers to a multi-groove profile that produces clean vertical lines and shadow-gaps for a modern decorative appearance.

Q. What does 110MM cover represent?

Ans:- It indicates the effective face-coverage per board once installed, allowing easy calculation for project requirements.

Q. Can Thermo Aspen be finished or oiled?

Ans:- Yes. Oils or wax finishes enhance colour depth, moisture resistance, and longevity.

Q. Is this product safe for human contact in high heat?

Ans:- Yes. Thermo Aspen contains no chemical treatment and remains comfortable to touch at elevated temperatures, making it suitable for benches and walls in saunas.

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