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How far apart should screws be on deck boards?

Though there are building codes dictating many aspects of deck construction to insure the finished deck is safe and solid, there is no specific distance required for the spacing of screws attaching deck boards to the joists. Because it's not addressed in the codes, screw spacing is inconsequential.

Appearance Counts

Though there's no legal standard for screw spacing, an even spacing looks best. Don't put the screws three inches apart on one board and four inches apart on the next. Pick a spacing and stick with it.

Bottom Line

Professional builders using standard 5 1/2-inch-wide deck boards attach them at each joist with screws set one to two inches from each edge of the board. The exact measurement doesn't matter as much as uniformity of spacing for appearance's sake.

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About the Author

Mike Schoonveld has been writing since 1989 with magazine credits including "Outdoor Life," "Fur-Fish-Game," "The Rotarian" and numerous regional publications. Schoonveld earned a Master Captain License from the Coast Guard. He holds a Bachelor of Science in wildlife science from Purdue University.