Better (“BTR”)

When the abbreviation “BTR” is used as a suffix to a grade it indicates that the specified grade is enhanced as it includes varying quantities of higher grades.

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Standard (“STD”) Grade Pine

Also written as “STD” is the Pine grade #4. The grade allows large red knots, and some loose knots. This is the grade most often used in the manufacture of ship-lapped siding.

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Drop (Novelty) Siding

Also referred to as “novelty siding”, similar in look to clapboards and is an exterior building siding often with a tongue-and-groove edge joint, rabbeted or shiplap joint.

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Clear Vertical Grain (“CVG”) Softwood Grade

“CVG” is a softwood term which indicates that the materials have a clear vertical grain. Clear meaning that it has no more than the allowed blemishes for the highest grade as determined by the species, the thickness, and the width of the material. Vertical grain is the softwood description which is the equivalent of “quarter

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Clear Mixed Grain (“CMG”) Softwood Grade

“CMG” indicates that the materials have a clear mixed grain.  Generally, the pattern on the face of the board will be the “cathedral” pattern and will indicated that the boards are flat (plain) sawn.  The CMG boards will be less stable than the CVG boards.

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Note About Plywood Grading

Face veneer grades range from “A” to “D” where A is the finest veneers and D is the lowest grade. Back side veneer is graded from “1” to “4“, again where 1 is the highest grade and 4 is the lowest. The face veneers for this type of plywood are “plain sliced” or cut to

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Grade A1 Plywood

This plywood is of the highest quality and can be used in a project where both sides of the plywood will be seen.

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