A truckload of big douglas on its way
![Magnifique chargement de poteaux calibrés et lisses demi-rondes traités autoclave classe IV traitement SP, la longévité, appliqué sur du pin séché KD à 25%](https://woodwide.be/wp-content/uploads/2020/09/SP-c-1.jpg)
One truck load of Douglas trunks of 12 m3 per tree! With a circumference of more than 300 cm at 1.50 m. from the base, those outstanding Douglas of an exceptional quality will be delivered on 28/09/2020.
The class IV SP impregnation : THE sustainable solution!
![Bois ronds traités](https://woodwide.be/wp-content/uploads/2023/11/traitement-bois-rond.webp)
The SP treatment is a breakthrough salt-based autoclave impregnation with a major dosage enabling to increase the durability of wood. The process is only possible on KD25% pine material during night cycles, in which vacuum and pressure (-0.80 bars in vacuum, 12 bars of pressure) will result in a quantity of 14,2 kg/M³ as a […]