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Forest and Lumber  |  Millwork and Moulding  |  Plywood  |  Veneer  |  Other

Technical

Forest & Lumber

Millwork & Moulding

Plywood

Plywood Grading Rules

Page 1

Page 2

Veneer

Other

 

Technical Section

(Pages 1 of 2)

 

Plywood Grading Rules

 

Hardwood Plywood

The term "Hardwood Plywood' is deceiving because very few of the components of a hardwood panel are made of hardwoods. Most of the product is manufactured with inner plys peeled from softwood veneers, softwood particleboard and MDF cores, but in some Adores the species of the core can be Lauan mother imported hardwoods.

It is the face and back of the panels themselves that are 100% hardwood. Depending on the panel and whether import or domestic manufactured, the hardwood lace veneers are 1/30 to 1/80 of an inch in thickness.

IMPORTANT NOTE: Fancy Faced imported hardwood panels....i.e., Cypress, Sen, Red Oak, White Oak and Walnut should never be machine sanded. The thin veneers are Factory sanded and we suggest only light hand block sanding before finishing.

GENERAL GRADES OF FACE GRADE VENEERS

Veneer can be sliced or cut from different sections of the log: from the heartwood or innermost portion, from the sapwood or outer layer, or from a combination of both heartwood and sapwood. When these veneers are composed into full sheets, the manner in which they are matched, the part of the log from which they come and their relative appearance determines the general classifications and often the grades.

Select Veneer (A Grade Face Veneers) Selected for Quality and Color.

A select veneer is composed entirely of heartwood or sapwood and is matched for both grain pattern and color.

Uniform Veneer (B Grade-Select Color)

A uniform veneer is also composed entirely of heartwood or sapwood but is matched for color only. The veneer is of lesser quality than the A Grade.

Natural Veneer (A through E Grades)

A natural veneer is composed of both heartwood and sapwood. Select or uniform heartwood veneers are usually more expensive than all their sapwood counterparts since heartwood forms the smallest portion of the tree and contains more defects. Because natural veneers are a combination of both heartwood and sapwood, they are generally the least expensive of the three

 

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