Flooring manufacturers have their own grading standards others may also comply with national grading rules and some flooring styles have no grade at all antique flooring for example. This is an interesting area for shoppers retailers and manufacturers.
While the National Wood Flooring Association or NWFA has established a grading system it only applies to certain domestic species.
Wood flooring grades. There is no universal system for international grades of hardwood. Usually it is sufficient to grade a wood flooring into 3 grades Prime Natural and Rustic. The grading scale is a measure of what is known as Character markings or natural characteristics eg variation in color from board to board mineral streaks presence of knots or worm holes.
A very simplified condensed. The NWFA certifies Hardwood Flooring according to NOFMA guidelines. Grades are not determined by gut reactions to what a person thinks the grade should be but actual measurements of clear sections and definitions for defects.
When it comes to hardwood flooring there are different grades. Hardwood can be considered Clear Grade which is the highest grade that offers the most. Select 1 Common and 2 Common aka rustic grade.
1 COMMON BETTER and NO. It is also often described as AB-high grade. Select 1 Common and 2 Common which is also known as Rustic grade or Builders grade.
Grades are sometimes combined ie. Hardwood grades are based on the number of flaws there are on the planks. Are graded according to standards originally laid out by the National Oak Flooring Manufacturers Association NOFMA to help create consistency in the quality of Oak flooring in the US.
Different grades have different characteristics and coloring variations. The grades that we at Lumber Liquidators deal most with are Select Natural Rustic and Utility. Add style warmth and value to your home with beautiful hardwood floors from The Home Depot.
If this quality of wood grade does contain knots they tend to be small and unobtrusive. The grade levels for hardwood are Clear Grade Select and Better No 1 and No 2. The major differences between a 2 Common Hardwood 1 Common Hardwood and a Select Grade Hardwood mostly have to do with the woods appearance rather than its durability.
All characters included in a higher grade are automatically accepted in lower grades. Hardwood grades are based on the size and number of clear pieces that can be obtained from a board when it is cut up to be used to make a product. A Practical Guide to Hardwood Flooring Grades.
Cut from the centre of the log this grade of wood is uniform in its appearance and has very few knots. Number 2 Common Grade Can also be known as Rustic grade Mill run grade or 3 rd grade. Each plank has natural knots wood tone variation and mineral streaks to name a few that make it naturally and uniquely beautiful creating its own characteristic apart from the rest.
If you like your wood floors rough and ready with any and all variations in color grain patterns and character defects then this grade is for you. 2 COMMON BETTER. The grading of lumber actually refers to the appearance of the individual planks and what part of the tree it is taken from so its mostly aesthetics.
SELECT BETTER NO. Because the characteristics of wood species and types of wood flooring vary so much there are technically no standard grades for all wood floors. Select has the most uniform color with no large knots and the longest average length of planks.
Heartwood will be used there will be colour variation sapwood and filler. Below is the National Wood Flooring Association NWFA grade descriptions for Red Oak and White Oak and continuing down are the grade descriptions for other common domestic and exotic species. But they also reference average board length milling imperfections and other irregularities.
Almost all boards sold for hardwood flooring in the US. You should also expect checks cracks across the growth ring and possibly some end shake cracks between the rings. Higher graded wood is typically more expensive due to its more uniform appearance free of knot holes and other unique markings.
However there are terms that are sometimes used such as Character Grade for species such as Hickory and Maple. Clear Oak – A flooring product of mostly heartwood with a minimum number of character marks and discoloration providing a uniform appearance while allowing for all heartwood natural color variations. The hardwood grading rules are quite complex and require study.
Especially pertaining to Oak hardwood flooring the 3 most commonly used grades are. Known as either natural or rustic grade this allows a virtually limitless size and number of knots. Appearance alone determines the grades of hardwood flooring since all grades are equally strong and serviceable in any application.
We already know the three most common types of oak hardwood flooring. Prime Grade is the highest grade of wood flooring. Our hardwood floors are available in solid and engineered hardwood and a wide variety of colors styles and wood speciesWhether youre interested in a traditional look like a classic oak wood floor or something more modern and contemporary like bamboo floors or cork flooring we have everything.
Among the many qualities that influence the appearance of any particular hardwood flooring is the grade of the wood. The standard grades of hardwood lumber are.