Board is graded from the poorer face.
What is the best grade of hardwood lumber.
The grading of sawn wood into categories as it is processed helps to determine to a large extent the value and potential use possible for each board of sawn lumber worldwide hardwood lumber producers grade their lumber assuring downstream consumers of the lumber of the lumber s quality for the intended use.
Here s a chart to help explain the grading system.
6 x 8 in 83 defect free on best side.
Grading designation depends on the number of defects in a board.
Yields 83 1 3 percent of clear face cuttings with minimum sizes of 4 x 5 or 3 x 7.
The grades are based on the two faces alone.
Grades are listed from highest to lowest.
These depend on various factors like the type of wood used and the number and types of defects if any.
1 common which must be 67 clear on the poor side etc.
Although this grade is the most uniform because it comes from such a small.
The value of this lumber and thus of the log is determined in part by the lumber grade.
A brief description of the basic grades are.
A lower grade can be perfectly acceptable depending on placement and usage.
An overview of lumber grades and wood quality.
Suitable for fine furniture cabinetry and applications where.
Before we get into the different grades of lumber let s take a look at the various defects you may find in a piece of lumber.
The standard hardwood lumber grades are summarized below.
The grade of hardwood lumber is determined by a visual inspection of each board according to rules developed by the national hardwood 3information on prices trends in log and lumber.
Hardwood grading for lumber considers the size and number of pieces or cuttings which may be yielded during the creation of a hardwood product.
Highest grade of hardwood lumber.
Clearness is measured in large rectangular areas called cuttings.
Hardwoods are graded by the national hardwood lumber association.
Lumber thickness 4 4 6 4 etc is not considered when grading hardwood.
The grading system is based therefore on the measurable percentage of clear wood that is defect free for each of the grades.
Relation to lumber grading most hardwood logs are sawn into lumber.
Never buy a higher grade lumber than is recommended as it will affect the overall cost of your project.
Take a look at this article understanding hardwood lumber grading.
The next grade is no.
Lumber is graded based on the quality and appearance of the wood.
Strong lumber with fewer knots or cosmetic blemishes gets a higher grade and price.
Boards 6 and wider 8 and longer.
Fas first and second grade.
Firsts and seconds fas the best and most expensive grade.