Arizona Hardwood Medullary Ray

Rift sawn wood exhibits less medullary ray or ray fleck while it maintains the same straight grain as the quarter sawn wood.

Arizona hardwood medullary ray.

Lumber is piled in alternating layers separated by narrow sticks to permit air. The graf name is synonymous with high end custom flooring providing elegant wide plank chevron and. Most commonly wood is brokered as mixed with rift and quarter sawn boards referred to as r q. The degree to which this ray fleck is revealed is a function of the angle of the growth rings to the face of the boards.

Medullary ray cells run perpendicular to the annual rings carrying sap and delivering nutrients to the inner layers of the tree. Air drying ad wood that has been dried naturally to have moisture content of about 18. Rift and quarter sawn wood is stable and will only shrink in thickness. Graf custom hardwood portsmouth.

Solid and engineered hardwood softwood wood. Where does sitka and red spruce land with regards to prominent display of the medullary ray pattern. These channels radiate from the center of the log like the spokes of a wheel or the rays of the sun. Rift only rift sawn at least 75 of the piece must contain rift characteristics.

If you look at a tree stump or a cut end of a tree you ll see medullary rays or pith rays as light colored ribbons seeming to radiate out from the center of the tree. Used on oak species this method avoids the prominent flake figure of medullary rays that quarter slicing causes. Not a complete drying process. In cross section the angle of the annual ring tangent to the face of the piece to be between 30 and 60.

Grain lines to be mostly parallel to the length of strips and medullary ray flecks present and more than 1 16 wide. The ray fleck flake or figure of a quarter sawn board is the medullary ray of the log which emanates outward from the center of the log like spokes of a wheel. 4 4 1 inch it is a practice among lumbermen to express the thickness of cabinet grade lumber in quarters of an inch. This straight grain cut is at a slight angle to the medullary rays in oak to minimize ray fleck flake.

Post sep 22 2017 2 2017 09 22t16 21. Oak has medullary ray cells which radiate from the center of the log like the curved spokes of a wheel. With respect to red spruce medullar features can be quite prominent but apparently this is less often the case as compared to sitka. The ray fleck flake or figure of a quarter sawn board is the medullary ray of the log which emanates outward from the center of the log like spokes of a wheel.

The degree to which this ray fleck is revealed is a function of the angle of the growth rings to the face of the boards.