SAPELLI

Family : MELIACEAE
Scientific name : ENTANDROPHRAGMA CYLINDRICUM

WOOD DESCRIPTION

  • Reference colour: reddish brown
  • Sapwood: very distinct
  • Grain: fine
  • Thread: counter-thread
  • Counter grain: light

Pinkish brown to coppery red brown wood. Cedar odour. Rolls and barley grain (longitudinal groove in the shape of a barley grain) may be present.

PHYSICAL AND MECHANICAL PROPERTIES

These properties can vary significantly depending on the origin and growing conditions of the wood.

  • Density*: 0.69
  • Monnin* hardness: 4.2
  • Volume shrinkage coefficient: 0.47
  • Stability in service: moderately stable
  • Total radial shrinkage: 5.0
  • Fibre saturation point: 29
  • Total tangential shrinkage: 7.2
    (*: 12% moisture content)

NATURAL DURABILITY AND IMPREGNABILITY OF WOOD

  • Fungi: class 3 – moderately durable
  • Dry wood insects: durable; sapwood distinct (risk of wetting)
  • Termites: class M – moderately durable
  • Impregnability: 3 – poorly impregnable
  • Biological risk class: 2 – out of contact with the ground, sheltered (risk of wetting)

SAWING AND MACHINING

  • Sharpening effect: normal
  • Saw teeth: ordinary or alloy steel
  • Machining tools: ordinary

Sawing by overturning recommended (internal stresses). Tends to pull out when planed (counter-wire). Sanding requires care.

ASSEMBLY

  • Nailing – Screwing: good hold
  • Gluing: correct

Gluing requires care: the wood can stain.

END-USES

  • Large counter-thread: inconvenient for certain uses. –
  • Furniture
  • Exterior and interior joinery
  • Panelling
  • Parquet flooring
  • Staircases
  • Shipbuilding
  • Light carpentry

The main known uses must be validated by installation in accordance with good practice. Important note: some uses are listed for information only.

REACTION TO FIRE

  • Conventional French classification :
    – thickness > 14 mm: M.3 (moderately flammable)
    – thickness < 14 mm: M.4 (highly flammable)
  • Euroclass classification: D s2 d0

This default classification applies to solid wood meeting the requirements of standard NF EN 14081-1 annex C (May 2006), used in vertical walls. In other words, classified structural wood with a minimum average density of 0.35 and a minimum thickness of 22 mm.

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