- Thanks to fire retardant treatment for wood we achieve classifications B-s1, d0, for WRC B-s2, d0.
- Without coating the wood, the service life of fire protection is about 30 years outdoors, fire retardant treatment does not increase the resistance of the wood to exterior conditions.
- Wood turns gray outside like any other natural wood
- Surfaces can only be treated with designated coatings. These coatings are 100 % natural
- 100 % biodegradable
- Non-toxic
- pH neutral
- After treatment, plywood, MDF boards, veneer and other products can be used
Protocol on fire testing and classification of GNB-CPD of position document NB-CPD/SH02/12/096 from the Group of Notified Bodies for the Construction Products Directive
Solid wood
According to the classification: EN 13501-1: 2007 + A1: 2009 and EN 13501-2: 2007 + A1: 2009
According to fire testing: EN 13823 (SBI) and EN 14135: 2004
| Wood species | Density | Minimal thickness | Reaction to fire treatment
*1. class |
Fire resistance
*2. class |
| Spruce | 350-600 | 15 mm | B-s1, d0 | K1,K2, 10/ B-s1, d0 |
| Pine | 450-600 | 21 mm | B-s1, d0 | |
| Oak | 500-750 | 20 mm | B-s1, d0 | |
| Cedar | 350-450 | 12,5 mm | B-s2, d0 | |
| Siberian larch | 650-750 | 21,5 mm | B-s1, d0 |
*1: Material class/Cladding class
Heat-treated wood
According to the classification: EN 13501-1: 2007 + A1: 2009 and EN 13501-2: 2007 + A1: 2009
According to fire testing: EN 13823 (SBI) and EN 14135: 2004
| Wood species | Density | Minimal thickness | Reaction to fire treatment
*1. class |
Fire resistance
*2. class |
| Thermo ash | 590-650 | 21,5 mm | B-s1, d0 | |
| Thermo pine | 450-500 | 19 mm | B-s1, d0 | |
| Termo Ayous | 550-550 | 19 mm | B-s1, d0 | |
| Termo Accoya | 400-700 | 19 mm | B-s1, d0 |
*1: Material class/Cladding class
