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Quarter-Sawn vs. Radial-SawnThere's a difference between our propriatary sawmilling method known as "radial-sawn" and the industry standard "quarter-sawn". Quarter-Sawn refers to the direction of the grain in a board as viewed from the end of the board. "Flat Sawn" refers to the angle of the grain as it is related to the surface of the board. Flat-Sawn's angle of grain is 0-30 degrees (or flat with the surface of the board). Rift-Sawn angle of grain is 30-60 degrees and Quarter-Sawn's angle of grain is 60-90 degrees to the face of the board (vertical grain). Here is how these numbers are important, wood shrinks and expands twice as much with the grain as it does across the grain. Therefor a Quarter-Sawn board used as flooring shrinks and expands seasonally in thinkness (up and down) more than it does across the board (across the floor) which could cause gaps and buckleing. So a "Quarter- Sawn" floor is a more stable floor. OK, now the industry has a set of rules for what wood is allowed in a "quarter-sawn" mix. NOFMA (National Oak Flooring Manufacturers Association) sets the rules. They say that in a "quarter-sawn" selection, that most of the boards have a grain direction of 60-90 degrees yet some boards may slip through with grain angles as low as 45 degrees. As you can see from the "flash video" above, our boards are sawn radially out of a log resulting in a near vertical grain direction which we guarantee is 80-90 degrees. The resulting floor is significantly superior to a standard "quarter-sawn" board in the following ways: First, our boards shrink and expand less across the face of the board due to the higher angle of grain direction. Secondly, the grain (lines) on the face of a board are closer together (tighter grain) thus a more pleasing visual experiance and Thirdly, the grain line itself is slightly harder than the surrounding "early wood" and so a vertical grain board has a slightly harder surface.
The finest quarter-sawn engineered flooring available anywhere.Home | About Quarter-Sawn Flooring | Quarter-Sawn vs. Radial-Sawn | Our Engineering Process | What is Chatoyance? | Quarter-Sawn Flooring Products | Quarter-Sawn White Oak Flooring | Quarter-Sawn Walnut Flooring | Quarter-Sawn Maple Flooring | Quarter-Sawn Ray Flecked Maple Flooring | Quarter-Sawn Black Cherry Flooring | Quarter-Sawn Ray Flecked Cherry Flooring | Quarter-Sawn Red Oak Flooring | Quarter-Sawn Specialties | Curly Hard Maple | Curly Black Cherry | Curly Walnut | Your Wood | Solid Quarter-Sawn White Oak | Solid Riff-Sawn White Oak | Solid Walnut | About Floor Medallions | Floor Medallion Portfolio | Designing Floor Medallions | About River-Reclaimed Flooring | River-Reclaimed Examples | River-Reclaimed History | About the Company | Our Factory | News | Builders, Designers & Architects |
For the most current wholesale pricing please contact Kent at |
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