The most common redwood sapwood grades are Clear, B Grade, Deck Common, Construction Common, and Merchantable. Additional information about these unique grades is provided below.
Redwood sapwood – architectural grades
Redwood sapwood architectural grades are unrivaled in beauty and dimensional stability. These grades should be used in applications where attractiveness and tight joinery are desired and where the building application is above-ground.
Same general quality as Clear All Heart except contains sapwood in varying amounts, as well as some imperfections not permitted in Clear All Heart. Typically available Certified Kiln Dried (also available unseasoned). Available surfaced or saw-textured. Uses of Clear Redwood include siding, paneling, trim, cabinetry, molding, fascia, soffits. Also quality decking, garden structures and other above-ground applications.
Quality grade containing sapwood, limited knots and other characteristics not permitted in Clear. Typically available Certified Kiln Dried (also available unseasoned). Available surfaced or saw-textured. Uses of B Grade Redwood include siding, paneling, trim, fascia, molding and other architectural uses; quality decking, garden structures and other above-ground applications.
Redwood sapwood – garden grades
Redwood sapwood garden grades should be used in above-ground construction projects where knots or other characteristics are not important.
Deck Common/Construction Common
Same general characteristics as Deck Heart/Construction Heart, but contains a combination of heartwood and sapwood. Unseasoned or seasoned, may be surfaced or rough. Deck common is also graded for strength and is available in 2×4 and 2×6 only. Uses of Deck Common/Construction Common Redwood include decking, fence boards and other above-ground garden uses that do not require heartwood’s insect and decay resistance.
Has the same characteristics as Merchantable Heart but contains sapwood in varying amounts. This economical grade is available unseasoned, may be surfaced or rough. Uses of Merchantable Redwood include fence boards, rails and other above-ground outdoor and garden uses. Also subflooring and temporary construction.