As seen on Three Birds Renovations

Why choose a HardieDeck™ system? 

Fibre Cement building products will not burn, are resistant to permanent water and termite damage, and, when installed as directed, are resistant to rotting and warping*.


They are impact resistant, low in maintenance and highly durable. The products are easy to work with reliable, making them the ideal choice for professional builders, decking installers, designers and architects, DIY enthusiasts and homeowners.


Manufactured by James Hardie Australia, an international building product manufacturer and a global leader in fibre cement, HardieDeck™ decking system challenges convention within the decking industry, delivering an innovative building product and a sustainable decking solution that lasts.


  • Australian Made Product.
  • 10 Year Warranty.


For more information on building a HardieDeck in Sydney, fill in the form and we will get in touch, or visit

Want To Know More?


If you are looking for a Sydney based HardieDeck installer, you’ve come to the right place. We at BTM Constructions (formerly BTM Exteriors)  have worked with the HardieDeck product, and can recommend whether it is the best option for you.

BTM Constructions (formerly BTM Exteriors) is a family run business based in the Northern Beaches. We have extensive experience in building decks, and have been an industry educator on the James Hardie HardieDeck product,  speaking at Landscaper’s Association ‘LNA’ events.


Find out how much a HardieDeck might cost you today. Let us provide you with an estimate by simply filling out the form below!



Joel and Rachel and the rest of the team are absolutely pros. Really good people and tradies who take a lot of pride in their work. Installed our HardieDeck in a tricky site and we couldn’t be happier, its completely transformed the area. BTM are highly recommended – Client Testimonial, Jan 2020

More than happy with the new HardieDeck decks BTM recently built for us at our property. Joel and his team were very professional throughout the process, their standard of work was the high quality we were looking for and any problems encountered, Joel sorted out straight away. Can recommend these amiable and honest hard workers and would like to thank all the team at BTM Exteriors for a job well done. – Client Testimonial, Mar 2019

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