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Larch

Name

• Scientific: Larix decidua Mill
• Spanish: Larch, European larch

Origin

Description of the wood

• Sapwood: Light yellowish.

• Heartwood: Reddish-brown.

• Grain: Straight.

• Texture: Fine to medium.

• Characteristic defects: Abundant small, sound, or loose knots.

Impregnation

• Sapwood: Moderately impregnable (highly variable)
• Heartwood: Not impregnable

Mechanization

• Sawing: Easy, except where there is excess resin. Hard knots, sometimes loose.

• Drying: Fast, with a risk of splitting.

• Planing: Easy, except where resin can clog the planer.

• Gluing: Good, except where resin is present.

• Nailing and screwing: Prone to splitting; pre-drilling is necessary. Resistant to pull-out.

• Finishing: No problems except where resin is present.

Applications

• Structural joinery. Laminated timber.

• Interior joinery: wall coverings, flooring; wainscoting; door and window frames, door surrounds, moldings, baseboards.

• Exterior joinery: Doors and windows.

• Auxiliary construction.

• Decorative veneers.

• Street furniture.

Mechanical properties

• Static bending strength: 990 kg/cm²

• Modulus of elasticity: 138,000 kg/cm²
• Compressive strength parallel to the beam: 550 kg/cm²

Notes






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