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Iroko Tongue & Groove Cladding - 21 x 140mm

Price From: (exc VAT) £13.32 (inc VAT) £15.98
(exc VAT) (inc VAT)
Price per linear metre £7.40 £8.88
Price per square metre £55.64 £66.77

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This product is temporarily out of stock.
It is due to come back in stock imminently.
For more information call 0151 495 3111.


Iroko is an extremely popular hardwood, especially in high-end domestic locations and poolside. It is frequently used in decking, cladding and slatted screens where durability is a requirement thanks to Iroko’s highly versatile nature.

At a glance

  • Extremely Durable
  • Kiln Dried at source
  • Interlocked grain
  • Yellow-brown to golden brown in colour
  • Ideal for commercial and residential use

Attractive grain patterns in yellow-brown to golden brown colours

Iroko(Chlorophora excelsa) is native to the west coast of Africa. It is tough, dense and very durable (660kg/m3 on the Janka Hardness scale).

Colours range from a light yellow-brown to a deeper golden-brown, but tend to darken slightly over time, providing a rich and evocative colour tone. 

Silva Timber's Iroko is kiln dried at source, providing a consistent moisture content and immediate installation with minimal acclimatisation necessary. 


First and Second (FAS) - the highest grade of Iroko available 


Iroko is an attractive alternative to Teak. It resembles Teak in grain patterns and colour after ageing.  The grain is interlocking and the texture is medium to coarse with open pores. It is a light yellow-brown colour when freshly cut, but quickly turns to a darker golden-brown with age. 


Iroko is highly durable. It is also known to be very naturally resistant to decay. 


Iroko has a very high density with 660 kg/m3. This is ideal for use in decking and cladding. 


Iroko dries rapidly. Once dry, it is generally easy to work with.


Iroko has excellent strength properties, similar to Teak.

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Actual Coverage - 133mm

Lineal Metres per Square Metre - 1m2 = 7.52 metres of board

Density - 660kg/m3

Botanical name - Chlorophora excelsa

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Finishing & Protection

It is recommended that a finish is applied to all surfaces, including ends, before installation. The type of coating will be determined by the final finish and appearance desired.

Why Pre-finish?

  • Enhances the natural beauty of wood
  • Ensures a consistent finish
  • Applied in factory conditions
  • Long lasting protection against weathering
  • Simple maintenance routine
  • Reduces onsite labour costs

Sansin Enviro Stains

Easy to apply and maintain, Sansin Enviro-stains deliver outstanding performance. Sansin's range of wood protection products are available in 80 colour tones

What is weathering?

There is a risk involved when leaving wood exposed to the elements. During the weathering process wood can appear unsightly as the material can blacken due to moisture getting into the fibres and pulling out tannins and extractives. Finish protects the wood from moisture absorption and UV degradation.

What to expect from timber products

When working with timber it should be expected that although ‘on-grade’, occasional boards may have minor imperfections that will require ‘working’ if you wish to eliminate.  Examples include raised grain, small splits, minor handling marks, sticker marks etc – all of which can easily be remedied by trimming, gluing or sanding.  In most cases imperfections can be removed with very little effort, and the small amount of off cuts generated as a result will be absorbed in the normal cutting and selection allowance. 


First and Seconds (FAS) - the highest grade of Iroko available.

  • FSC
  • PEFC
  • Trada member
  • Responsible purchaser
  • Cedar Shake & Shingle Bureau
  • nbs plus
  • Secured by