Gabarro

American Alder

Scientific name: Alnus rubra Bong

Geographic origin: Canada and United States

American Alder
Description

  • Sapwood and Heartwood: from yellowish white to yellowish brown
  • Fiber: Straight
  • Grain: Thin

Capacity of being impregnated

  • Capable of being impregnated to medium capacity of being impregnated

Mechanization

  • Sawing process: Easy and with no difficulties
  • Drying process: Easy and Fast, with nearly no defects.
  • Planing process: Easy
  • Gluing process: Easy
  • Nailing and screwing process: Easy
  • Finish: Easy

Physical properties

  • Apparent density at 12% humidity 0.45 kg/m3 light wood
  • Dimensional stability
  • - Volumetric contraction coefficient 0.41% stable wood
  • - Relation between contractions 1.66% no tendency to deformity
  • Hardness (Chaláis-Meudon) 1.8 Softwood

American Alder
Mechanical properties

  • Resistance to static flexion 680 kg/cm2
  • Elasticity module 95,000 kg/cm2
  • Resistance to compression 401 kg/cm2

American Alder
Observations

American Alder