KIRI WOOD PROPERTIES AND FACTS.
1 EXTREMELY LIGHT
At around 270 kg/m³, kiri is lighter than most woods. In comparison, oak weighs around 770 kg/m³, beech 720 kg/m³, pine 480 kg/m³ and spruce 450 kg/m³. Low weight saves transport and energy costs.
2 GOOD STRENGTH
Kiri’s honeycomb cell structure makes it very strong and stable in relation to its weight.
3 HIGH DIMENSIONAL STABILITY
Kiri is characterised by extremely low swelling and shrinkage. Kiri is therefore the first choice in environments with varying humidity levels.
Just 0.09 W/mK. Kiri stores a lot of air in its vacuoles and therefore insulates more than twice as well as oak or beech.
5 WEATHER RESISTANT
The Burckhardt Institute of the University of Göttingen carried out tests over several months to determine the dimensional stability under weathering: No splitting, no cupping, no warping.
6 LAME RETARDANT
Kiri only starts to burn at over 400 degrees Celsius, pine already at 225 degrees, oak at 260 degrees.
7 PRACTICALLY KNOT-FREE
First-class care of the kiri trees during growth provides a completely knot-free wood. The unobtrusive grain pattern and pleasantly smooth feel make it attractive wherever you use it.
8 EASY TO WORK WITH
Kiri doesn’t splinter and is easy to work with both manually and mechanically, easily absorbs stains and varnishes and is very easy to glue.
FOR A GREEN
SUSTAINABLE, ENVIRONMENTALLY FRIENDLY, GOOD FOR THE CLIMATE: KIRI IS HELPING TO LEAVE BEHIND AN ENVIRONMENT WORTH LIVING IN FOR OUR CHILDREN AND GRANDCHILDREN. SIX ECO-FACTS ABOUT AN EXCEPTIONAL WOOD.
Kiri captures and stores a lot of CO2.
The kiri tree is a climate tree. It can capture and store up to 35 kg of CO2 greenhouse gas from the atmosphere every year. This equates to up to 40 tonnes per hectare per year – four times the CO2 capture and store capacity of mixed coniferous forests. This is mainly due to the large leaves, which can reach a diameter of up to 1.20 m. The CO2 stays in the wood even after the kiri has been processed. It is therefore making a sustainable contribution to climate protection.
Kiri protects natural forests.
We grow kiri on plantations away from forests. We are thereby replenishing original tree populations rather than destroying them – and helping to reduce pressure on natural forests. Kiri is also a real alternative to tropical wood. For example, it is as light as balsa and as weather-resistant as teak.
Kiri cultivation is sustainable.
KIRITEC timber is always sourced from sustainable sources. Every cultivation area complies with strict European legislation. As a pioneer plant, kiri does not require particularly nutrient-rich soils. In fact, its cultivation actually improves the ecological value of agricultural land. The large leaves turn into nutrient-rich humus. Plantations also provide a protected habitat for bees and other insects.
Kiri conserves water.
Kiri grows so quickly that it takes less time to produce wood and also less water. Kiri has a heart-root system and, therefore, relatively efficient water use, meaning that it consumes less water than many other species.
Kiri grows back.
Kiri is the fastest growing deciduous tree in the world. In its first year, the tree can grow up to six metres – and produce as much wood volume as an oak in one tenth of the time. Its harvest cycles are comparatively short: the first harvest of a kiri can take place after just five years. After ten years it grows to a height of 12 to 15 metres with a diameter of up to 40 centimetres. While other trees can only be harvested once, Kiri resprouts directly after harvesting. And for many generations in succession. Kiri saves money and energy.
The lightweight timber saves money and energy on the routes from plantation to us and to you.
This is because truck cargo spaces can be fully utilised without exceeding weight limits. TEST And the more wood that can be transported in one truck, the less mileage driven, the less fuel consumed and the less CO2 emitted.