
SPAX galvanised wood screws 3,5×55
120,55 € HT144,66 € TTC
Dartank supplies a complete range of certified timber covering the three main families of construction and outdoor living: structure (KVH C24, BSH GL24), decking (thermo-treated pine, larch, WPC composite) and façade (thermo-treated pine cladding, panelling).

120,55 € HT144,66 € TTC

40,10 € HT48,12 € TTC

16,03 € HT19,23 € TTC

9,55 € HT11,46 € TTC

On request
![SPAX AIR 4,5 mm / 6,5 mm [40 pcs.] maintaining air flow and better terrace ventilation](/_next/image?url=https%3A%2F%2Fpub-dfd897c871ca437f8aa80c06f6460193.r2.dev%2Fproducts%2Fmirror%2F8291a49a52-SPAX-AIR-1.jpg&w=3840&q=65)
31,27 € HT37,52 € TTC

8,63 € HT10,35 € TTC

16,82 € HT20,18 € TTC

On request

64,32 € HT77,18 € TTC

31,60 € HT37,92 € TTC

88,86 € HT106,63 € TTC

21,42 € HT25,70 € TTC

9,30 € HT11,16 € TTC

0,90 € HT1,08 € TTC

16,89 € HT20,27 € TTC
![SPAX AIR 4,5 mm / 6,5 mm [100 pcs.] maintaining airflow and better terrace ventilation](/_next/image?url=https%3A%2F%2Fpub-dfd897c871ca437f8aa80c06f6460193.r2.dev%2Fproducts%2Fmirror%2F8291a49a52-SPAX-AIR-1.jpg&w=3840&q=65)
64,33 € HT77,20 € TTC

13,62 € HT16,34 € TTC

24,95 € HT29,94 € TTC

19,31 € HT23,17 € TTC

7,89 € HT9,47 € TTC

85,58 € HT102,69 € TTC

172,64 € HT207,17 € TTC

86,75 € HT104,10 € TTC
Structural — KVH C24 and BSH GL24 in solid spruce, compliant with RE2020 and anticipating RE2028 (Ic threshold of 6.5 kg CO₂/yr/m² from 1st January 2026). For timber frame, modern roof structures and long spans.
Outdoor decking — retified thermally modified pine (biocide-free), Siberian and Canadian larch, Hartika and 4DECK WPC composite. Smooth, grooved and brushed profiles according to use and anti-slip standard.
Cladding and panelling — thermally modified Scandinavian pine in NATUR and AB grades. Square and squared-edge profiles, tongue-and-groove panelling. Vertical or horizontal installation.
All our timber products can be supplied with PEFC chain-of-custody certification on request. CE marking is mandatory on structural timber. Origin : Scandinavia (spruce, pine), Siberia and Canada (larch), Africa (thermally modified abachi).
Help & advice
Everything you need to know before ordering. Another question? Contact us.