Ideally no more than 7.75 inches for residential safety.
: The connection to the finished floor or concrete slab, often via a base plate or kick plate. Tread & Riser Dimensions : Standard architectural drawings must include the exact tread depth riser height (e.g., 7" rise, 11" run) to ensure code compliance. Common Sources for Free .DWG Files
Offers superior resistance to torsional (twisting) forces compared to single mono-stringer designs. 2. Technical Anatomy of a Double Stringer Detail double stringer staircase detail dwg free
A double stringer staircase utilizes two parallel structural beams—known as stringers—to support the stair treads and risers from underneath. Unlike traditional stairs where the stringers enclose the steps (housed stringers), double stringers are typically positioned underneath the treads, often shifted inward. This is known as a "mono-stringer inspired" dual setup or a cut-stringer configuration. Key Components
You can find comprehensive CAD blocks and structural details on several architectural resource sites: Ideally no more than 7
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For more information on double stringer staircases, check out the following resources: Common Sources for Free
Showing the overall width of the stair, landing dimensions, and handrail placement.
We are providing a free DWG file download for a double stringer staircase detail. The file includes:
Showing the overall footprint, total width, landing dimensions, and walk-line direction.
These are the triangular or angular plates welded to the top of the stringers to hold the treads.