Select Grade flooring contains natural characteristics such as small knots and minor color variations produced by differences in natural heartwood and sapwood; however, has a more uniform color and longer average plank length compared to Natural grade flooring products.
DETAILED: Specific characteristics of Select grade products will vary by wood species; however, typically include such things as: slight imperfections in milling; slight variations in face-work which can be readily removed by an ordinary method of sanding; occasional small, tight pin knots or small pin holes; burls; and a reasonable amount of slightly open checks. Select grade pre-finished flooring will have a plank face that is practically free of most finishing defects including debris, skips, streaks, blisters, chipping, or scratches. When assembled, Select grade flooring should not exhibit gaps exceeding 0.025”or end/side over-wood (e.g. height variation between adjacent boards) exceeding 0.020”.
Natural Grade flooring contains distinct variations in coloration and varying wood characters. Natural grade flooring will have a slightly longer average plank length compared to Rustic grade products.
DETAILED: Specific characteristics of Natural grade flooring will vary widely by wood species; however, typically include such things as: minor imperfections in milling; imperfections in face-work which cannot be wholly removed by an ordinary method of sanding; slight variations in angle of end matching; varying wood characteristics such as spots, streaks, slightly open checks, and pin/worm holes; small splits, broken knots or knot holes; and shallow back. Natural grade pre-finished flooring will have a plank face that is free of most finishing imperfections; however, may contain a limited amount of minor blemishes including, but not limited to: light grainy surface/debris, bubbles, streaks, uncoated bevel, finish chipping, dents, or equivalent type characters. When assembled, Natural grade flooring should not exhibit gaps exceeding 0.031”or end/side over-wood(e.g. height variation between adjacent planks) exceeding 0.030”.
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Answered on 8/20/2014 by cc-3