Likely European oak; chestnut is a plausible alternative.
Quercus robur or Quercus petraea; alternative: Castanea sativa · Hardwood (temperate European species)
AI-generated identification · may be incorrect- Type
- Hardwood (temperate European species)
- Origin
- Oak is native across Europe and western Asia; Portuguese floors may use local or imported European oak.
- Hardness
- European oak: about 1,120 lbf, Medium; chestnut is about 700 lbf, Soft.
- Durability
- Oak heartwood: Durable; chestnut: Moderately durable. Both have better decay resistance than their sapwood.
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Grain Pattern
Long, mostly straight grain with mild cathedral variation; the image shows face grain, not enough end grain to assess rays or exact sawing pattern.
Color & Appearance
Golden to medium brown, likely darkened by finish and age; sapwood is not clearly distinguishable. Oak typically deepens with oxidation and light exposure.
Hardness (Janka)
European oak: about 1,120 lbf, Medium; chestnut is about 700 lbf, Soft.
Durability & Decay Resistance
Oak heartwood: Durable; chestnut: Moderately durable. Both have better decay resistance than their sapwood.
Value & Age
Roughly €5–15 per board foot equivalent for ordinary solid oak lumber; flooring value depends on grade, finish, and installation.
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- Cannot determine from this photograph; surface wear and darkening alone do not establish age.
Common Uses
Flooring, furniture, cabinetry, beams, doors, and interior joinery.
Geographic Origin
Oak is native across Europe and western Asia; Portuguese floors may use local or imported European oak.
Workability
Machines and finishes well, though oak’s tannins can react with iron and coarse-grained surfaces may need filling for a smooth finish.
Finish Recommendations
Clean and lightly sand, then use hardwax oil or a compatible floor polyurethane; test first for color change and adhesion.
Notable Features
Pronounced linear grain and, in oak, prominent medullary rays on quarter-sawn faces; rays are not apparent here.
Notes
Floor in Portugal
