Stair Design Guide: Difference between revisions
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===Rise=== | ===Rise=== | ||
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The top of the 2nd story | The top of the 2nd story flooring is 121.375" from the top of the sill. We also need to add 1.5" from the basement slab to the sill = 122.875" total rise | ||
The actual stairway rise will depend on the height of the landing: | The actual stairway rise will depend on the height of the landing: | ||
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The landing or the top step can be adjusted to make up the difference | The landing or the top step can be adjusted to make up the difference | ||
===CAD for Stairway with 7 3/4" rise=== | ===CAD for Stairway with 7 3/4" rise=== | ||
Revision as of 00:10, 19 September 2021
Original design - File:Stairs.fcstd
Stairway for SeedHome v2
Step Size
The steps are 42.125" wide and 11.25" deep with a 1.125" nosing
Rise
The top of the 2nd story flooring is 121.375" from the top of the sill. We also need to add 1.5" from the basement slab to the sill = 122.875" total rise
The actual stairway rise will depend on the height of the landing:
With 2x6s and 3/4" planks (6.25" total) it will need to be 116.625"
With 2x8s and 3/4" planks (8" total) it will need to be 114.875"
15 steps of 7-3/4" (the maximum allowed by code) is 116.25"
15 steps of 7-5/8" provides 114.375"
The landing or the top step can be adjusted to make up the difference
CAD for Stairway with 7 3/4" rise
File:Stairs detail.fcstd - Detailed design file - 7.75" rise
File:Stairs simple.fcstd - Simple object for merge
CAD for Stairway with a 7 5/8" rise
File:7 625 stairs detail.fcstd - Detailed design file - 7.625" rise
File:7 625 stairs simple.fcstd - Simple object for merge
File:7 625 stairs example.fcstd - Example - SEH2 partial with Stairs