Waney-edged oak boards 1-QBA
Product specifications
QBA is wood for stairs. At least 70% of length yields highest-quality wood for cutting to size.
Knots up to 20mm in diameter permitted per 2m length
4cm sapwood permitted along each long edge
Reduction for splitting and heart, but permitted where at least 8cm remains
Available in a range of thicknesses and diameters
