6 Definitions to know about Wood Fences in Sioux Falls
What is dimensional lumber?
Dimensional lumber is wood fiber cut to a specific size (thickness/width/length) based on pre-defined, standardized sizes. Common examples of dimensional lumber sizes include two-by-fours (2x4s) and four-by-fours (4x4s). This lumber is often resized to remove any wane, as it is typically pulled from the outer rings.
What is wane?
Wane consists of the presence of bark or the lack of wood fiber along the edge of a piece of lumber. The amount of wane varies according to lumber grade as described in the Southern Pine.
What is rough sawn?
Rough sawn consists of untreated lumber cut into planks. It is generally stronger than other types of lumber, but also carries extra moisture because it hasn’t been kiln-dried. It is preferred for fencing as the appearance more generally matches the pickets.
What is S4S?
S4S stands for “surfaced on 4 sides,” meaning that the material is finished on all four sides. Dimensional lumber is commonly S4S. S4S finished lumber and dimensional lumber are labeled according to nominal size, or the size of the rough board before it was planned smooth.
What is GRN?
“Green” unseasoned lumber fresh from the mill is labeled either air-dried (AD) or surface-green (S-GRN). Its moisture content of 19 percent or more makes it inexpensive, but it can move unpredictably as it shrinks and dries.
What is board feet?
The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada. It equals the volume of a one-foot (305 mm) length of a board, one foot wide and one inch (25.4 mm) thick. Board foot can be abbreviated as FBM (for “foot, board measure”), BDFT, or BF. A thousand board feet can be abbreviated as MFBM, MBFT, or MBF. Similarly, a million board feet can be abbreviated as MMFBM, MMBFT, or MMBF.
And now, a bonus question…
How do I calculate board feet for a wood fence?
- Take a rectangular piece of lumber.
- Measure the length of it in feet, rounding to the nearest decimal place.
- Measure the width in inches. …
- Measure the thickness in inches.
- Multiply all three numbers together and divide by 12.
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