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Sydney architects love our decking

Our Dasso bamboo decking was installed on Squillace Architects Sydney’s rooftop space 2 years ago. Despite being totally exposed to sun and all that rain, it’s still strong and beautiful while having no plastics in it. You can tell by the lovely silver-grey colour, they haven’t had to do a thing to it.
They chose plastic-free bamboo decking and ended with a beautiful aged grey deck.

 Lovely silver-grey colour, they haven’t had to do a thing to it.

The Real Cost of Composite Decking

Low maintenance but at what cost?

The deck is a staple of the Australian summer lifestyle that comes in all shapes and sizes but a new player is becoming increasingly popular: composite decking. 

Why:  Low maintenance. 

How: Plastic

Composite decking is often defined as a man-made building product made up of a mix of wood fibers, plastics and bonding agents. Most people replace their decks every 7 to 10 years which represents a huge amount of plastic waste going to landfill. Natural decking such as timber or bamboo can be returned to the soil at the end of their lifecycle to fully decompose in up to 3 years as opposed to up to 450 years for plastic.

As of 2017, humans had produced 8.3 billion metric tons of plastic. We send at least 8 million tons of plastic into the ocean every year and yet, annual plastic production is expected to triple by 2050. 

Plastics are made from fossil fuels and the majority of the population is now aware of the devastating impact of fossil fuels on climate change. Few people realise that plastic production is far worse. According to David Roberts, journalist at Vox, “the best research suggests that it averages out to about 5 tonnes of CO2 per tonne of plastic[…]. That’s roughly twice the CO2 produced by a tonne of oil.” He adds that “If plastic demand were to grow as projected, annual emissions associated with plastic would double by mid-century.”

Not a good look when the world is racing to reduce carbon emissions due to their catastrophic impact on climate change.

Suppliers of composite decking are quick to claim how time consuming maintaining a natural deck is but with climate change worsening by the day and plastics filling our oceans, is applying a coat of paint every 18 months really that bad? 

House of Bamboo XTR deck installed by Fandr Constructions.

The problem with recycled plastics.

Manufacturers of composite timber proudly claim that their product is “eco friendly”, “sustainable” or “green” thanks to the use of recycled plastics. 

To quote William McDonough and Michael Braungart in their book Cradle to Cradle: Remaking The Way We Make Things, “being less bad is no good”. Composites made from recycled plastics are still, well, plastics. 

In a fascinating article in The Verge, Justine Calma uses a striking metaphor by Josh Lepawsky : “Think of plastic pollution like an overflowing tub in your bathroom. If you walked into that, probably the first thing you would do would be to turn off the tap — not grab a bucket and a mop, if you think of the bucket and the mop as recycling. Turning off the tap equates to staunching the production of plastic goods. Trying to clean up a growing mess won’t address the root of the problem.”

According to a report by WWF, out of the 3.4 million tonnes of plastics used in Australia in 2017-18, only 9.4% was recycled. Of that amount, 46% (145,700 tonnes) was processed in Australia and 54% (174,300 tonnes) was exported for reprocessing. 

But some Asian countries that used to import our recyclable plastics are grappling with their own plastic waste and, as a result, have started reducing their intake, forcing some cities to cancel their recycling programs. 

Outdoor Pergola With Woven Bamboo Ceiling
House of Bamboo Sydney Showroom featuring fused bamboo decking.

Another issue with composites that use recycled plastics is that“when you mix an industrial material (plastic) that is recyclable with a biological materials (wood) that is compostable you get a material that is neither recyclable nor compostable” says Pablo Paster of Treehugger. William McDonough and Michael Braungart call this a “monstrous hybrid”. Your recycled plastic composite decking or cladding was manufactured and purchased with the best intentions but its afterlife was not considered. 

“Before you even make something, you have to think about throwing it away,“ says Bryon Donohoe, a senior scientist at the National Renewable Energy Laboratory in Golden, Colorado. If we want to reduce waste, we inevitably have to cut down on production and consumption of materials that are likely to end up in landfill.

Even if we recycled 100% of all new plastic produced, it could only be recycled, or rather downcycled, a few times. Plastic deteriorates with each use meaning it breaks down into lesser quality particles that can eventually no longer be used or downcycled and end up in landfill or the ocean, including the seafood we eat.

When the choice comes down to finding a piece of composite decking in your food a few years from now or maintaining a natural deck every 18 months, what would you choose?

Cognac Bamboo Decking Around Pool Area
Natural bamboo decking.


The Race To Save The Planet From Plastic. Umair Irfan, Vox

Recycled Plastic Won’t Solve Tech’s Waste Problem. Justine Calma, The Verge.

The State Of Australia’s Recycling: How Did We Get Into This Mess? WWF 

Deck: wood or plastic? Pablo Paster, Treehugger

Cradle to Cradle: Remaking The Way We Make Things. Michael Braungart and William McDonough

What is Composite Wood? Coen Composite Wood

Introducing sustainably sourced, DassoXTR fused bamboo decking from the House of Bamboo.

As the fastest growing plant on earth, bamboo is ready for use within 5 years of planting, making it one of the most sustainable plants on earth.

Strandwoven Bamboo Decking Solutions by House of Bamboo
Bamboo Decking for Commercial Space by DassoXTR

Now thanks to this new form of bamboo decking you can enjoy its natural beauty and charm instead of relying on imported rainforest timbers that may come from illegally logged sources. Using our bamboo decking also saves Australian native timbers from being cut down in our precious local forests.

DassoXTR Fused Bamboo Decking

Twice as hard as Merbau and equally as fire-resistant as all the leading decking timbers in Australia, Dasso fused bamboo decking is far superior to any other form of bamboo decking that has previously been available in Australia.

Blessed with warm beautiful natural tones that have made timber decks so popular in Australia, you’ll love DassoXTR fused bamboo decking.

The unique patented process unlocks the inherent natural strength of bamboo by double treating bamboo fibres, then mixing them with the same resin that makes bowling balls. The result is tough, durable decking with all the warmth, colour and natural appeal of timber but without the environmental destruction that accompanies it.

Fused bamboo decking will not leach like other decking timbers and is virtually impervious to mould, rot and insects.

Dasso decking is also incredibly dimensionally stable, so it will not “cup” or “twist” like other timbers can. Unlike precious Australian native timbers, bamboo decking is knot-free, giving you a smooth consistent looking deck with clean modern lines.

The decking is installed using unique secret fixings that mean no exposed nail or screw heads will spoil the look of your deck. The exclusive tongue and groove end board design means they can be locked together without having to be joined on a joist. So, there is virtually no waste. You use all the product you buy.

Dasso fused bamboo decking is rated to BAL 29 (Bushfire Attack Level 29) which means it can withstand ember attack and burning debris ignited by wind borne embers and radiant heat up to high risk levels. Making it the perfect decking material for Australian homes, especially those close to bushfire risk areas.

Already some 60 million sqm of this beautiful bamboo decking has been installed around the world.

Dasso decking comes in 1.8 metre lengths and is ribbed on one side for non-slip installations or smooth on the other. You can install it either way. They also come pre-oiled with premium Woca Oil for fast and easy DIY installation.


ALSO READ: Everything You Need to Know About Timber Screens


For more information click here or to discuss a project with the team call 1300 665 703.