WANE-FREE ‘A’ GRADE – STRUCTURAL

Characteristics permitted and limiting provisions shall be:

Checks - seasoning checks limited. Through checks at ends are limited as splits. Knots - well spaced knots of any quality are permitted in the following sizes or their equivalent displacement:

Manufacture - Standard “F” Manuacture admits: very heavy torn grain; raised grain; very heavy loosened grain; heavy machine bite; machine gouge; heavy machine offset; chip marks; knife marks; medium wavy dressing; medium mismatch. Pitch & Pitch Streaks - not limited

Manufacture - Standard “F” Manuacture admits: very heavy torn grain; raised grain; very heavy loosened grain; heavy machine bite; machine gouge; heavy machine offset; chip marks; knife marks; medium wavy dressing; medium mismatch. Pockets - not permitted. Shake - if through at ends, limited as splits. Away from ends through shakes up to 2’ long, well separated. If not through, singe shakes shall not exceed 3’ long or 1/4 the length, whichever is greater. Skips - hit and miss, with a maximum of 5% of the pieces containing hit or miss or heavy skip 2’ or less in length. Slope of Grain - 1 in 8. Splits - equal in length to 1½ the width of the piece Stain - bluestain allowed. Unsound Wood - not permitted. Wane - not permitted. Warp - light. White Speck & Honey Comb - not permitted