Board On Board Fence Formula:
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This calculator helps determine the number of pickets needed for a board on board fence based on the length of the fence and spacing between pickets. This formula is commonly used by Lowe's for fence planning.
The calculator uses the following equation:
Where:
Explanation: The equation accounts for the double row of pickets in a board on board fence design by multiplying by 2.
Details: Proper picket calculation ensures you purchase the correct amount of materials, avoiding waste or shortages during fence installation.
Tips: Enter fence length in feet and desired spacing between pickets in feet. All values must be positive numbers.
Q1: Why multiply by 2 in the formula?
A: Board on board fencing uses two layers of pickets for complete privacy, hence the doubling of the standard picket count.
Q2: What's the typical spacing between pickets?
A: Standard spacing is usually between 0.5 to 1 inch (0.04 to 0.08 feet), but this depends on your design preference.
Q3: Should I add extra pickets?
A: It's recommended to add 5-10% extra pickets to account for cutting waste and mistakes during installation.
Q4: Does this work for different picket widths?
A: The formula calculates number of pickets, not linear feet. Picket width affects coverage but not the count calculation.
Q5: How does this differ from shadow box fence calculation?
A: Shadow box fences typically use a different spacing pattern and may require slightly fewer pickets than board on board.