ACCOYA® acetylated wood: resistance and durability with a 50-year written guarantee

100% recyclable, toxin-free and indestructible against insects, moulds and termites

Grupo Gámiz is the Spanish distributor of Accoya®, acetylated wood.

Acetylation is a natural process that completely changes the molecular structure of the wood.

This method – that does not use any toxic elements– results in a wood with greater dimensional stability, better resistance in the expansion and contraction cycles.

Acetylation makes Accoya® wood resistant to moulds and insects such as termites, etc., as they no longer recognise the wood as food.

This is why Accoya® offers a fifty-year written guarantee.

An unbeatable wood in exteriors, with multiple applications

Accoya® is particularly recommended for exterior applications, thanks to its resistance and durability.

  • Façades
  • Outdoor furniture
  • Cladding
  • Decking
  • Walkways…

Nevertheless, its natural beauty and variety of finishes are also highlighted in other applications, even interiors:

  • Walls
  • Ceilings
  • Doors
  • Windows…

Find out more about fixings, mounting and gluing recommendations


Durability Class 1, very durable, as defined in EN 350-1
Use class Fifty-year guarantees when the product is used in use classes 1, 2 and 3 and 25 years in use class 4, as defined in EN 335-1
Density 510 kg/m3
Balanced moisture content 3-5% (65% relative humidity at 20°C)
Dilation (furnace dried - wet) Radial 0,7%
Tangential 1.5%
CE marking for structural use C22
Flexural strength 80 N/mm2
Flexural rigidity 8790 N/mm2
Hardness (Janka) Side 4100 N End 6600 N
Thermal conductivity 0.12 Wm-1K-1 compliant with standard EN 12667
Fire classification Class D (ASTM E-84)

Discover the possibilities of Accoya® in these project

Consult us if you would like to find out more about Accoya®.
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