Silvadec is the pioneer wood composite manufacture in Europe. The company has been manufacturing terrace decking, fencing and cladding boards since 2001.
Silvadec is the pioneer for the manufacture of wood composite in Europe. Silvadec has been manufacturing Silvadec wood composite in France since 2001. All Silvadec composite boards are manufactured in its Arzal plant (Morbihan).
The Silvadec company works in the l’Estuaire Activities Park in Arzal (56190). To get there, take exit D139 from National Road 165 between Vannes and Nantes.
Silvadec products are distributed by wood and construction material wholesalers. The company does not make any direct sales. Fill in our form specifically for your project, we will put you into contact with our partner closest to you.
Composite boards require no treatment, they do not contain any heavy metals or PVC and they do not release any toxic products. Furthermore, their manufacturing consumes very little energy….
Silvadec continues its work on the environment every year. The company applies eco-responsible management, warranteed by ISO standard 14001. It is also the first French manufacturer of wood composite to be PEFC certified. Finally, Silvadec contributes to the struggle against deforestation: no trees are cut down to manufacture boards.
Silvadec decking, fencing and cladding are on display at the entrance to our Arzal plant.
Yes, Ademe supports the Silvadec company for its contribution to sustainable development and protection of the environment.
Unlike PVC and polypropylene, polyethylene maintains its properties in the long term outdoors.
Yes, water absorption is very low, the product resists frost, it does not deform and does not split. It is perfectly suitable for use at high altitude and in places with a large temperature range.
Yes, tests done at the Technical Wood Centre show punching and abrasion resistance equivalent to Oak, any scratches that do occur will be attenuated when the product weathers.
Silvadec wood composite does not turn grey over time, its colour is long lasting. A natural and temporary tanning phenomenon occurs when first exposed to UV, due to the présence of wood flour. This slight tanning stops after a few weeks of exposure. The wood composite then stabilises at a colour close to its original colour and weathers […]
No, there are no splinters in Silvadec wood composite, our product is based on wood flour.
Silvadec Wood Composite®️ does not contain any heavy metals and does not release any toxic products.
Silvadec Wood Composite®️ is particularly strong and long-lasting. It is warranteed for 25 ans against termite and fungal attacks.
Silvadec Wood Composite has the major advantage that it requires no treatment! All that is necessary is regular cleaning, while solid wood has to be treated regularly if it is to last in the long term. Moreover, wood composite boards have no splinters, making it safer and more comfortable when walking barefoot. Finally, Silvadec Wood Composite®️ does […]
Silvadec Wood Composite is worked in exactly the same way and with the same tools as solid wood. It is much easier to work than a tropical hardwood.
Wood Composite is made from a mix of 2/3 wood (recycled, wood chips and sawdust) and one third polymers (polyethylene for good resistance to U.V).
No, they require no treatment, simply regular cleaning. Do not apply oil, wood stain or paint.
Simply use water with a dilute mild detergent such as dishwasher liquid. Refer to the maintenance sheet if you would like further information or in the case of persistent stains.
Yes, there are two cleaning products: Silvanet for pollution and plants, and Silvawash for grease stains
No, the boards are not designed to be permanently immersed in water (for example such as steps in a swimming pool).
No, they do not require any treatment, simply regular cleaning. Do not apply oil, wood stain or or paint.
A linear meter of a 138mm wide Silvadec Composite board weighs 3.4 kg and a 180mm wide board weighs 4.5 kg.
Decking board: 23 mm (+/- 2mm); Joist : 50 mm (+/-2mm).
Silvadec wood composite is 100% recyclable: as a French manufacturer, Silvadec maintains a Silvadec wood composite waste recycling program called the Eco-Box program.
All boards have good or excellent resistance to slipping, even when wet (CSTB tests for bare feet and TÜV tests with shoes on).
They do not deform or twist, and do not split. Expansion clearances in length and in width need to be respected between boards (see placement principles).
No, wood composite cannot be used for structural applications.
Yes. Silvadec wood composite is composed of 2/3 wood and is subject to slight dimensional variations, which is why expansion clearances mentioned in the placement principles have to be respected.
Yes, this is one of the advantages of a solid board compared with a hollow board. Composite boards can be worked more easily to give a larger number of style effets.
Because wood composite has its own characteristics and special features . Respecting Silvadec placement principles assures that your decking will remain stable in the long term.
Silvadec wood composite joists must be placed on the ground (floating placement). Only solid wood joists need to be fixed.
The maximum c/c distance between joists is 40 cm for an angle of 90° between joists and boards. For angles of less than 90°, the spacing between joists should be smaller. Please refer to placement principles for further information.
Yes, boards are always placed on joists so as to have a minimum ventilation under the decking of 5 cm. Refer to Decking placement principes
Yes, many projects have been completed with alternating boards with different colours, different widths or finishes.
The boards are usually placed horizontally perpendicular to the adjacent wall. This choice is above all aesthetic, but it also important to be sure that the direction of the boards does not hinder water drainage.
Silvadec wood composite fencing boards are 21 mm thick (+/-2mm).
A 21x150x1783mm fencing board weighs about 4.5 kg.
Fence and railing posts are made of powder coated aluminium, Qualicoat label.
Yes, the Silvadec railing respects safety standards for protection against falling. French standard NF P 01-013, NF P 01-012. European standard Eurocode EN1991-1-1.
Silvadec Wood Composite®️ cladding boards are 30 mm (+/-2mm) thick.
Slatted cladding is cladding in which there is a gap between the boards.
Atmosphere cladding is designed for apartment buildings, detached houses and the non-residential sector.
Cladding slat boards can be placed horizontally or vertically.
Yes, the Silvadec railing provides a suitable solution for installation of staircases. Refer to the Placement principes.