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What does Ardes Dry mean?

Ardes Dry is the production process through which Sapiens creates its products with a fire treatment. This process is technologically identified by the code 330 to identify burning time, flame extinguishing, production temperatures, wood stabilization, and finishing cycle.

Ardes Dry is a Sho Sugi Ban (or Yakisugi)?

Partially: only the S.S.B. version is to be considered a Sho Sugi Ban as it respects the classic canons of this ancient production technique.

What is therefore Ardes Dry HiTech 330 by Sapiens?

It is our innovative production patent made in Italy, thanks to which we are able to guarantee our customers a product that is extremely more high-performing than the old Sho Sugi Ban technique, solving and improving the limitations that such technique posed.

How does Ardes HiTech 330 differ from Sho Sugi Ban?

HiTech 330 is a nanotechnology that allows us to guarantee boards the typical appearance of burned wood while avoiding the falling of soot and carbonization powders, elements that limit its use indoors, and especially with the possibility of customizing it with the use of modern and innovative colors also on corten and metal base.

Is HiTech 330 technology made with chemical cycles or harmful toxic solvents?

No, all our production technology exclusively involves the use of water-based cycles based on oils or hybrid oils (oil-water) without releasing any pollutants.

Yakisugi and Sho Sugi Ban are two different techniques?

Today in the West, the two terms are used interchangeably. Originally, there were differences depending on the type of wood used, but in reality, the Japanese word that has always best described the burning technique is Yakisugi, derived from the correct pronunciation of the name of the Japanese cedar (bot. Cryptomeria japonica). The two names originate from the different writing and pronunciation of Chinese and ancient Japanese. Over time, especially in the West, the term Sho Sugi Ban has become established to identify boards of wood burned and treated with oil.

Is charred wood more or less fire-resistant than normal wood?

Ardes is about 35% more fire-resistant than normal wood: once the surface part is burned, a naturally more flame-resistant layer is created, which helps keep the inner layers cool and thus achieve greater strength and insulation.

Does a certification guarantee greater fire resistance for burned wood?

Yes, the Ardes range is certified in European fire class Cs1d0 suitable for use even in public environments where the lowest fire load is required.

How long does burned wood last once installed on an outdoor wall?

This technique has been known for many centuries because, despite being essentially a natural production process, it manages to guarantee the wood an extremely longer durability compared to all the techniques used to preserve wood in outdoor environments.

Over the years, does the material get attacked by fungi and/or aggressors in outdoor use?

No, the material is indigestible to external aggressors, so they cannot decompose it in any way.

Are there outdoor environments where it is not possible to install it?

Basically, it is possible to use Ardes in any circumstance, from hot and humid to intense cold. In projects where a specific length is required or the surrounding environment is extreme (such as seaside or high-altitude locations), we suggest using burned Accoya® wood, which is capable of achieving a higher level of dimensional stability.

Does Ardes absorb moisture, for example after long periods of rain?

No, the material treated with our technique, if correctly installed, effectively resists water and moisture.

Does burned wood require maintenance?

Unlike other types of wood, once burned, Ardes does not require any maintenance. It is advisable to protect the color from the aggression of UV rays present outdoors with a simple treatment to be carried out as needed on the surface.

How does the color behave over time?

The color of Ardes tends to gray, turning as a physiological process over the years in reaction to light.

What type of wood does Sapiens prefer to choose to produce Ardes?

We have preferred to develop our production towards wood endemic to the European territory to reduce CO2 impact, and in relation to its quality, the best solution has logically been Larch, capable of guaranteeing the best dimensional stability and durability. Alternatively, for the most demanding customers and structured projects, we offer burned Accoya® wood.

Can Ardes lumber be used for flooring?

Burned wood is not used for flooring as it would be too soft underfoot and in terms of mechanical resistance.

Why is the tongue and groove profile not used in the Ardes range?

On standard thicknesses, installing a plank with a tongue and groove profile on a wall would mean ensuring the plank’s attachment to a too thin element. We prefer lateral profiles R3Q, which guarantee an extension of the average life of the product.

Ardes è un prodotto costoso?

Our materials are significantly more economical when compared to any other traditional wood solution for outdoor use. Considering the minimal maintenance required (washing, brushing, sanding, and costs of oils and scaffolding), coupled with the extraordinary durability over an average cycle of 20/25 years, Ardes is extremely cost-effective in terms of quality/price ratio compared to its competitors.

Are special operations required for installation or specific labor?

No, Ardes does not require special installation procedures. It is assembled like any other ventilated wooden facade.

Can the wooden planking be installed directly on the walls?

No, it is necessary to use an anchoring substructure that allows for proper ventilation and air circulation. Additionally, the substructure must be suitable for supporting the wood itself over the years in terms of strength and dimensional stability.

Can the boards be installed directly against each other on the wall?

It is a good professional practice to provide the boards with a few millimeters of margin to allow for proper expansion. This space can be pre-compensated by inserting our black aluminum insect screen.

What is the application field of the materials in the Ardes line?

Typically, they are mainly used in the context of ventilated facades, false ceilings, paneling, both outdoors and indoors. In the Ardes range, we can also offer applications in the world of furniture and design accessories through special resin treatments.

What are the differences between the Ardes Dry range and the Ardes Flame range?

In the Ardes Dry range, a more natural burning technique and post-burning treatment system are adopted, resulting in a more textured surface effect. In the Flame range, the principle is similar, but the results are not the same: the surface more prominently reflects the natural wood flame, and for this reason, it is usually only used outdoors.

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Why do we at Sapiens define Accoya wood as “molecular wood”?

Because once the transformation of Accoya® wood begins, through the acetylation process, it generates a transformation that alters the molecular structure of the wood, enhancing its durability, dimensional stability, and overall resistance over time.

Once the transformation of Accoya® wood begins, thanks to the acetylation process, the molecular structure of the wood is altered, enhancing its durability and dimensional stability characteristics.

What is Accoya wood made of?

Accoya® wood is derived from radiata pine trees grown and harvested in the Netherlands, where they undergo a modification process, specifically known as acetylation. This process transforms radiata pine into the world’s most stable wood, Accoya®.

What makes Accoya so special?

Acetylation! What is acetylation? Wood naturally contains some acetyl groups, but also many “free” hydroxyl groups, to which water binds, causing problems. During production, the process uses acetic anhydride – comparable to a very strong vinegar – to increase the wood’s acetyl content and thus replace the hydroxyl groups. The moisture content within the wood is incredibly reduced, preventing it from swelling and contracting, and removing water from the list of problems.

Where does Accoya wood originate?

Accoya wood originates from sustainably managed forests in New Zealand, specifically from a tree species known as Radiata Pine. These forests are all FSC-approved. Radiata Pine is a fast-growing species and is shipped from New Zealand to the Netherlands for the transformation process.

If the wood is reforested in New Zealand, how can it be considered sustainable with such long transportation?

Sourcing from New Zealand involves a long total distance traveled by our timber. During the growth phase, the tree offsets CO2 for at least 26 years. For transportation, we use the lowest-impact method possible, namely bulk maritime transport compliant with IMO 2000 regulations, with efficient ships and slow steam navigation, minimizing transport emissions. The lifespan of our products further reduces the relative impact of transportation on carbon emissions.

Are there certifications that guarantee the quality of Accoya products?

Quality is our goal: from KOMO certification to Cradle to Cradle Gold and many others. “Quality” concerns both our processes and our products, but of course, ensuring that our customers are satisfied with Accoya® is also a fundamental priority. Although there are faster-growing wood species such as bamboo, the pine we use has been selected not only for its rapid growth but also for the incredible yield that this type of tree offers. These factors allow Accoya® to meet the growing demand for low-impact wood products, thanks to sourcing from sustainable forests in New Zealand.

What is the byproduct of acetylation and what happens to this byproduct?

Acetic acid plays a crucial role in the acetylation process and finds versatile applications across various sectors, including the food industry. Additionally, it can be converted into acetic anhydride, enabling a closed-loop system and facilitating complete recycling of resources.

Is acetic acid dangerous if released into the environment or in close contact with humans?

Absolutely not, as it is an organic chemical compound obtained through the fermentation of vinegars. It is commonly used by the food and pharmaceutical industries without issues. When used in enclosed spaces, a mild vinegar odor may be noticeable during the initial days, but it will dissipate within a few days.

If not painted, does Accoya deteriorate or rot?

Like other wood species, unpainted Accoya wood undergoes changes in appearance over time. If left outdoors and exposed to weather conditions, it develops an elegant silvery-gray color. Unlike other woods, however, weather elements do not affect the durability, stability, or performance of Accoya. During the adaptation process to atmospheric conditions, the surface color of Accoya may appear uneven due to varying levels of sunlight and rain exposure, but over time, it evens out into a refined silvery-gray effect that can last for decades.

Is Accoya recyclable?

Certainly. Where possible, recycling is preferred over burning Accoya wood, as the end product is 100% recyclable.

How to clean and maintain an Accoya® wood terrace?

Wooden floors and claddings are exposed to natural weather elements and require regular cleaning. Each terrace has an individual maintenance interval, depending on its location, usage intensity, and personal preferences. Under normal circumstances, an Accoya® deck should be thoroughly cleaned once or twice a year, preferably in spring, with light cleaning throughout the year. More frequent cleaning may be necessary if the deck is permanently in shade, for example, on the north side of a house or in close proximity to shrubs, large trees, and forests.

Cleaning an Accoya® deck can be done with a stiff brush and clean water. Wetting it before cleaning enhances the process, as soaking softens any build-up and dirt stains. For more stubborn stains, a wood cleaner can be used; it is recommended to use a product with a pH value lower than nine and thoroughly rinse the decking with clean water. Planed surfaces are easier to clean compared to rough-sawn ones.

Using a pressure washer is entirely unsuitable for wooden decking and is strongly discouraged: the high-pressure water jet can damage the wood boards, regardless of the wood species.

Is Accoya a hard or soft wood?

Accoya® is a modified wood. It starts as softwood, specifically radiata pine, but undergoes the process of acetylation. While it remains an ordinary wood, it is distinguished by incredible durability and is entirely non-toxic. It has a durability class of 1, is extremely stable, and is structurally certified.

What paint to use on Accoya®?

Accoya® offers various finishing options, from natural-looking oils to high-performance paint systems, all available in an extensive range of colors. There is no specific paint brand recommended; however, within each brand, certain products may be more suitable for use on Accoya® in specific situations. It is also crucial to follow the correct procedures for the preparation and application of paints and stains. It’s important to understand that once painted, maintenance of the paint itself will be necessary, as outdoor UV rays tend to deteriorate the color over time.

Can Accoya® be attacked or damaged by specific substances?

Accoya® is a wood with extremely high durability and dimensional stability, requiring minimal maintenance. However, it is advisable to avoid direct contact with metallic materials (such as iron or galvanized iron, and in general, with all metals not protected against corrosion), as oxidation phenomena may occur, resulting in surface stains on the wood.

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