What Is The Best Grade Of Hardwood Lumber

Strong lumber with fewer knots or cosmetic blemishes gets a higher grade and price.

What is the best grade of hardwood lumber.

The value of this lumber and thus of the log is determined in part by the lumber grade. Here s a chart to help explain the grading system. Yields 83 1 3 percent of clear face cuttings with minimum sizes of 4 x 5 or 3 x 7. Never buy a higher grade lumber than is recommended as it will affect the overall cost of your project.

Relation to lumber grading most hardwood logs are sawn into lumber. An overview of lumber grades and wood quality. Grading designation depends on the number of defects in a board. Highest grade of hardwood lumber.

Grades are listed from highest to lowest. The grading system is based therefore on the measurable percentage of clear wood that is defect free for each of the grades. Fas first and second grade. Clearness is measured in large rectangular areas called cuttings.

Hardwoods are graded by the national hardwood lumber association. Board is graded from the poorer face. 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. The next grade is no.

Lumber thickness 4 4 6 4 etc is not considered when grading hardwood. 1 common which must be 67 clear on the poor side etc. Lumber is graded based on the quality and appearance of the wood. The grades are based on the two faces alone.

The standard hardwood lumber grades are summarized below. 6 x 8 in 83 defect free on best side. 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. Although this grade is the most uniform because it comes from such a small.

These depend on various factors like the type of wood used and the number and types of defects if any. The basic concept of grading is that the grade of all lumber is determined from the poorest face or side of the lumber with a few cases considering the better face as well. The best grade is fas and it must be 83 clear or clearer on the poorest side. Take a look at this article understanding hardwood lumber grading.

Hardwood grading for lumber considers the size and number of pieces or cuttings which may be yielded during the creation of a hardwood product. A lower grade can be perfectly acceptable depending on placement and usage. Taken from the heart center of the tree this is the highest grade of hardwood and clearest meaning it has few to no blemishes at all no knots or wormholes and has the most uniformity between the planks in regards to color and grain lines. Firsts and seconds fas the best and most expensive grade.

A brief description of the basic grades are.