Download our Decorative Products Guide

Timber Panels by Latham Timber

Accoya - Modified Timber

Back to Products

Accoya® wood is a modified wood.  Manufactured using a non-toxic treatment and timber sourced from sustainable forests, Accoya® wood has properties that match those of the best tropical hardwoods.

For further information on Accoya® and to download our current literature, please visit our dedicated website:

Accoya® wood is modified all the way through, not just at the surface layer like many alternative treatments. This modification technique has two key advantages:

  • Users of Accoya® wood can have absolute confidence in the wood's durability in a way that has not previously been possible. Accoya® wood's durability is validated in a laboratory after the process has taken place. Using an array of sophisticated and proven analytical techniques, Accoya® wood's producers ensure that every batch is of consistent quality and reaches the highest possible performance standards.

  • When Accoya® wood is cut or jointed there are no exposed non-acetylated surfaces in any dimension. This completely negates the need to apply additional chemical preservatives on-site, as is necessary with unmodified or envelope-treated woods.

Click the links below to view our new videos :

* Statement: Manufacturers Warranty Covers Replacement Material but only if manufacturers recommended instructions are followed

Order a Sample

Product information



Sawn A1
25 x 100mm        25 x 125mm
25 x 150mm        25 x 200mm
25 x 250mm        32 x 150mm
38 x 150mm        38 x 200mm
50 x 100mm        50 x125mm
50 x 150mm        50 x 200mm
63 x 100mm        63 x 125mm
63 x 150mm        75 x 100mm
75 x 125mm        75 x 150mm
75 x 200mm        100 x 100mm
100 x 150mm

Sawn A1/Lam
63 x 200mm

Sawn A2
63 x 100mm        63 x 125mm
63 x 150mm        63 x 200mm
75 x 100mm        75 x 125mm
75 x 150mm        75 x 200mm

Finger Jointed Accoya
63 x 63 (62 x 63)
63 x 75 (62 x 75)
63 x 100 (61 x 98)
63 x 125 (61 x 125)
63 x 150 (61 x 150)
63 x 200 (61 x 200)
75 x 75 (74 x 75)
75 x 100 (72 x 98)
75 x 125 (72 x 125)
75 x 150 (72 x 150)
75 x 200 (72 x 200)

Lengths available 4.2/4.8/6.0


All exterior applications including windows, doors, decking and cladding.

Accoya®  wood's high strength to weight ratio also makes it suitable for challenging external applications, such as road traffic bridges.

Technical information

Dimensional stability:

  • Swelling and shrinkage reduced by 75% or more
  • Doors and windows open effortlessly year round
  • Paints and varnishes last 3 or 4 times longer, greatly reducing maintenance costs

Outstanding Durability:

  • Lasting 50 years above ground, 25 years in ground/freshwater
  • Class 1 durability, surpassing even teak
  • Virtually rot proof

Insect Barrier:

  • Indigestible to a wide range of insects, including termites
  • Greatly reduced vulnerability

Excellent Machinability:

  • Easy to machine and process
  • No special tools are required

Non-toxic & Recyclable:

  • Protects the environment from the harmful effects of common treatments
  • May be safely reused and recycled

UV Resistant:

  • Superior resistance to UV degradation when translucent coated
  • Natural appearance lasts longer
  • The ultimate substrate and coating life is increased

Naturally Insulating:

  • Offers improved insulation in comparison with commonly used wood species
  • Ideal for applications where energy conservation is important

Naturally Beautiful Wood:

  •   Process does not compromise the wood's natural beauty

Consistent Quality Throughout:

  • Consistent, measurable modification quality from surface to core
  • No need to apply chemical preservatives when cut or planed

Retained Strength & Hardness:

  • The process does not compromise the wood's strength
  • Hardness is increased
  • High Strength to weight ratio make it suitable for challenging applications

Perfect for Coating:

  • Improved stability means coatings last 3 to 4 times longer
  • Easier to coat, less preparation and sanding required
Teknos Coatings

Teknos coatings are designed to keep your cladding looking its best year after year.  They carefully select the best and most appropriate products from their extensive group portfolio to ensure their coatings offer optimum performance for the UK market.

Teknos’ high quality products have been developed to help timber withstand the harshest climates and protect it from UV-light, rain, humidity and extreme temperatures.  For more information on Teknos products, please click here.

Accoya Academy

Accsys Technologies has launched the “Accoya Academy” which is an easy to use, online Architects and Manufacturers educational tool promoting Accoya, its benefits and the wonderful Accoya case studies from around the world.  For more information, please click here.

Contact Us

Stay up-to-date with the latest from Lathams!

Sign-up for exclusive content and previews!

I would like to opt in to receive marketing communications from Lathams LTD via: