Premium Grade Alder Hardwood Lumber

Knotty Appearance
Sound Cutting
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Alder: Premium

Premium is an appearance grade with sound tight knots, yielding 83.33% Structurally Sound Cuttings.

Premium is a small tight knot appearance grade – one of the featured products Western Red Alder is known for. It is often used for moldings, case good construction, panels, doors, cabinets, furniture, and much more.

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6'1" 7'1" 8'1" 8'3" 8'3" solid pack 10'1" 12'1"
Width Specs: 
  • 4" (102mm) minimum
  • With up to 5% narrows
Length Specs: 
  • 84" (2.13m) minimum
Cutting Specs: 
  • 4" x 7' (102mm x 2.13m) or 4" x 24" (102mm x 610mm) minimum sound cuttings
  • No limit to the number of cuttings allowed.
  • Pith is allowed as an exception to the sound cutting rule
Notes Glossary

Premium admits all boards two board feet and over surface measure, yielding no less than 83.3% sound cuttings. The reverse side will be Frame grade or better.

Wane is limited to 25% of the width and 50% of the length. Wane may be divided, showing on both board edges.

Side bend limited to 1" (25mm).

Face knot size is limited to 0.5" (13mm) unsound and 1" (25mm) sound in 4" to 5.5" (102mm to 140mm) widths. In boards exceeding 5.5" (140mm) wide, knot size is limited to 1" (25mm) unsound and 2" (51mm) sound.