Tropical Building Systems only uses clear grained, first quality hardwood timbers from well managed and legal sources that are of high strength and are termite resistant.

PT Bale Gede Internasional, our Indonesian manufacturer are certified by the Forest Stewardship Council with Chain of Custody certificate registration code, SW-COC-005034 to 100% Pure FSC standard, the highest and most respected international standard available.
This certification shows that PT Bale Gede Internasional source Bangkirai and other timbers from legal well managed forests that are audited by FSC.
Products produced from FSC certified timber by PT Bale Gede Internasianal will be entitled to bear the FSC label.
At present we cannot find Merbau from FSC Cerified forests. We do however go to great lengths to ensure that the source is legal and managed properly.

Your Ethical Choice of Building Material
There is much concern about the ethics of using timber as a building material in this time of great concern about climate change through global warming.

A lot is said about reducing carbon emissions to reduce the greenhouse effect of carbon in the atmosphere. It is clear that we all need to consider how we add carbon to the atmosphere on a daily basis due to our lifestyle choices and manufacturing processes associated with those choices.

Less discussed is our ability to choose how we can, through well informed choices, assist in the removal and storage of carbon from the atmosphere as well.

When you choose your building material for your home, we contend that your choice of timber above other building materials, results in a carbon positive effect on the environment, as long as that timber is sourced from forests that can be verified as being properly managed.

The lifespan of one of our strtuctures is far longer, it can be up to five times, than the time that it takes to regrow the trees that are used as source material.
This is what we call a renewable resource.
In addition, those regrowing trees actively remove carbon from the atmosphere and then when we use that timber in construction that carbon is stored in that construction timber forever.

. By using more timber (storing carbon) and growing more trees (removing carbon from the atmosphere) we actually believe we can make a significant impact on carbon emissions.

Timber Species


We primarily use Bangkirai for structure.

We use generally use Merbau for joinery and flooring as it is more stable and handles kiln drying better. We do however, use Merbau for structure on clients request






We mill our own timber from logs using a wonderful invention, the LucasMill. This gives us the opportunity to maximise log yield and minimize timber costs. We can cut up to 8 meter (24 ft)  long timbers.