Stair Drop

Stair Drop

Layout procedure up to this point has made no provision for the thickness of the stair tread. To compensate for the tread thickness, the stair horse or stringer must be "dropped." If this is not done, the first step will be the thickness of the tread greater than the proper tread rise, and the top step will be the same amount less than the proper rise. Removing the correct amount from the bottom of the horse or stringer automatically corrects the height of both the bottom and top rises (see Figure right).

If finish flooring is to be laid after stairs are installed, the amount that should be removed to allow for "drop" will be the difference between tread thickness and the finish flooring.

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This page was last modified on: Monday, 2008-12-29 17:07 PST