How to Build Stairs: Difference between revisions
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=Observations from Seed Eco-Home 1= | |||
*Stringer stairs are notoriously noisy. Stringers bend under weight, and must be supported if they are 16' long. If there are 3 stringers - these must be cut perfectly - otherwise the treads won't even sit flat, and possible motion means sqeaky stairs. Further - it's not only one tread that sqeaks - it is treads/stringers upstream that can squeak. | |||
*Squeak is solved by stringerless stairs: | |||
=Google It= | |||
*JLC - [https://www.jlconline.com/deck-builder/building-and-installing-deck-stairs_o#:~:text=The%20number%20of%20stringers%20you,6%20inches)%20needs%20four%20stringers.] | *JLC - [https://www.jlconline.com/deck-builder/building-and-installing-deck-stairs_o#:~:text=The%20number%20of%20stringers%20you,6%20inches)%20needs%20four%20stringers.] | ||
*Instead of notching stringers - here is how to use flat stringers, and add the steps as additional pieces. [http://goproconstruction.com/]. Expensive for their system, cheap for 3D printed equivalent. | |||
*If you have a point of attachment for risers, these can be built into a wall | |||
*This means that you can avoid stringers in a stairwell, if you fatten up the treads! | |||
*Stringer spacing depends on thickness of treads - 40" stair can use 2 stringers if you use a 4x12 tread [https://stairs4u.com/articles/how_many_stair_stringers_do_i_use.htm] | |||
=Cutting Stringers= | |||
*How long does it take to mark and cut? The difficulty is accuracy and all measurement - both lengthwise | |||
*Stair gauge-https://www.youtube.com/watch?v=SauPzmtvJ4g | |||
=Requirements= | |||
*Railing is required: See section R311.7.8.1 of [https://codes.iccsafe.org/content/IRC2018/chapter-3-building-planning#IRC2018_Pt03_Ch03_SecR311.7 IRC] | |||
=4x12 Stairs= | |||
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/kB_Woe26k1U" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html> | |||
=Procedure for building stairs, using a template:= | |||
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/Z2uHj2mJkvc" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html> | |||
=Links= | |||
*[[Stair Calculator]] | |||
Latest revision as of 14:43, 18 June 2021
Observations from Seed Eco-Home 1
- Stringer stairs are notoriously noisy. Stringers bend under weight, and must be supported if they are 16' long. If there are 3 stringers - these must be cut perfectly - otherwise the treads won't even sit flat, and possible motion means sqeaky stairs. Further - it's not only one tread that sqeaks - it is treads/stringers upstream that can squeak.
- Squeak is solved by stringerless stairs:
Google It
- JLC - [1]
- Instead of notching stringers - here is how to use flat stringers, and add the steps as additional pieces. [2]. Expensive for their system, cheap for 3D printed equivalent.
- If you have a point of attachment for risers, these can be built into a wall
- This means that you can avoid stringers in a stairwell, if you fatten up the treads!
- Stringer spacing depends on thickness of treads - 40" stair can use 2 stringers if you use a 4x12 tread [3]
Cutting Stringers
- How long does it take to mark and cut? The difficulty is accuracy and all measurement - both lengthwise
- Stair gauge-https://www.youtube.com/watch?v=SauPzmtvJ4g
Requirements
- Railing is required: See section R311.7.8.1 of IRC
4x12 Stairs
Procedure for building stairs, using a template: