Eco Kitchens Made With Bamboo
When it comes to sustainable kitchens, the first thing to spring to your mind would be wood from sustainable tree plantations, glues with low VOC content and other similar features that are usually associated with the Eco furniture niche.
Bamboo probably wouldn’t be your first choice, would it? However, it’s exactly this material that is gradually taking over the whole of the emerging Eco kitchens market.
Making furniture out of grass stalks (and bamboo is just that – an overgrown grass stalk) is not a new concept. Laminated bamboo has a long history. The unique beauty imparted by nature, its superior properties and environmental credentials make it an obvious choice for furniture design.
What Makes Bamboo Eco-Friendly
But how is bamboo eco-friendly, you may ask. In the western world, it won’t grow to the right size, so it has to be imported from Asia adding a lot to its carbon footprint.
True, however, compared to conventional forest or tree plantations, bamboo ends up with a lower total carbon footprint because of its unique properties. You don’t have to cut out large areas of the natural landscape to make way for bamboo plantations (like you would with palm oil plantations).
It will grow just about anywhere, and you don’t need to consume many resources to grow and harvest bamboo. It’s immune against most plant diseases and it’s easy to cut and process.
The main difference between trees and bamboo is that you need 100 years to replace a tree and only 5 years to replace a bamboo. It’s extremely fast-growing.
Although it may not seem so, maintaining and working a tree plantation is very carbon intense. Keeping a bamboo plantation isn’t. Bamboo is like a weed – it will grow anywhere.
Also when it comes to production, felling the trees and cutting them into planks work out more carbon-intense than cutting and fabricating bamboo boards.
The bamboo texture is straight without any kinks, the straight fibers are tough but yielding when it comes to processing. Bamboo fibers are very different from wood fibers.
The former is stronger and denser than the majority of mainstream timber products. So, the resulting plywood or timber can be thinner and lighter, saving costs and gaining space.
Tough and Straight
Due to the nature of bamboo’s straight fibers, it’s easy to bleach or dye – you can achieve almost any tint you can imagine and the finish is smooth and even without unsightly knots or dye concentration.
Aesthetically, from a kitchen designer’s perspective, bamboo is an ideal material to work with. Its dimensional stability and low shrinkage factor open up a wider range of application as it’s possible to build larger seamless pieces of kitchen furniture.
If you were to compare oak, pine and bamboo from the perspective of physical features, you can see why some kitchen furniture manufacturers might be tempted to use this new material. Dry shrinkage factor is just 0.25% for bamboo. Compare that with 0.39% and 0.45% for oak and pine respectively.
This means that bamboo kitchen furniture is capable of maintaining its size and features over time. As for tensile strength, again bamboo comes out on top with 185 MPa. It’s 153 MPa for oak and 98 MPa for pine.
Of course, bamboo is nothing but an overgrown stalk of grass. How do you make furniture from grass stalks? By glueing them together, or to use a more professional term – by laminating. In order for something to be classified as a sustainable kitchen, you have to be very selective about what glue you pick for laminating bamboo.
Surely, it would be very easy to just choose the cheapest resin that is used to produce chipboard in modern mainstream furniture. That wouldn’t work, though. Wood panels that are produced for sustainable kitchens are made using low VOC glues resembling the good old wood glue.
How is Bamboo Manufactured for Eco Kitchens
Harvesting and producing bamboo timber is a special art that takes years to master. You need to pick bamboo stems with wall thickness precisely 7mm. Less than that and you have young bamboo with reduced density. More than that, it goes dry and its fibers are susceptible to warp.
Stem section should be straight and smooth. Once the bad bamboo is discarded, the good bits are sliced and boiled.
As we know, pandas eat bamboo. Are you wondering why? Although not very tasty, it contains a wide variety of nutrients, ranging from sugars to proteins. You need to boil your bamboo long and slow to remove as many nutrients as possible so that only the fibers are left.
Then the hot raw material is pressed down to achieve the required density and to prevent it from changing shape. Then the sections are glued and pressed together to achieve panels that resemble wood both visually and tactility.
Although this versatile material has been used in Asia for centuries, as with every new material, it will take time for bamboo to become mainstream in the Western world.
However, as far as sustainable kitchens are considered, there are few materials that come close to bamboo in terms of sustainable credentials and aesthetic value.
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