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Author Topic: Stairs  (Read 2540 times)

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Offline Brad_bb

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Re: Stairs
« Reply #20 on: April 12, 2018, 09:40:21 PM »
Would you make the stair tread one board or would you make the boards not very wide and have multiple boards to make the width of one tread?
Looks like it's been answered.  Yes you could do a single piece if you have the material and it's dried down properly and the house is conditioned so it's not going to see big humidity swings.  Yes you could do a glue up as well alternating the cup direction to help stabilize the tread.
Anything someone can design, I can sure figure out how to fix!
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Offline Gary Davis

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Re: Stairs
« Reply #21 on: April 13, 2018, 09:03:44 PM »
code here is no more then 1/8 diff between the tallest and the shortest  (example shortest 7 1/5 in tallest 7 5/8  ) the builders I worked for always used 2x12 doug fir 

Offline Don P

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Re: Stairs
« Reply #22 on: April 13, 2018, 10:19:38 PM »
This is more for new stairs than trying to retrofit an old set, but you can shim and plane to tune up a old set as well.

In the IRC it is 3/8" max difference in riser height or tread depth per flight. Section 311.7.5.1 here;
https://codes.iccsafe.org/public/document/IRC2018/chapter-3-building-planning

At the landing, if there is one, that resets for the next flight. That is about how our cadence works, once we are in motion keep it the same. The max rise and run varies a fair amount by state, that is simply the latest model code, each state makes their own changes when they adopt.

One rule of thumb, so not code, that relates to our cadence is that 2 risers plus one tread should equal 25" for a "perfect" stair.

One contractor said stairs and roofs is where you separate the carpenters from the laborers, he was not wrong.

One thing to remember, or the way to think when you are building stairs is they are the emergency exit. On a bad night in the dark two big guys in full gear are going to be running down them carrying someone in a very big hurry. Make them uniform, to size, strong, block the ends of the framing so it cannot become a flue and protect the underside with sheetrock even if you panel over it.

Online Weekend_Sawyer

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Re: Stairs
« Reply #23 on: April 16, 2018, 01:55:58 PM »
Have you pulled up the carpet yet?
You may be surprized what is under there. May only need some sanding and refinishing.
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Offline chet

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Re: Stairs
« Reply #24 on: April 16, 2018, 03:24:42 PM »
One thing to remember, or the way to think when you are building stairs is they are the emergency exit. On a bad night in the dark two big guys in full gear are going to be running down them carrying someone in a very big hurry. Make them uniform, to size, strong, block the ends of the framing so it cannot become a flue and protect the underside with sheetrock even if you panel over it.


Personally with over thirty years in da fire service riser spacing hasn't been an issue. That's not to say it could be. In my experience it's been folks treating staircases as the perfect shelf system, and piling any number of things on them.  :(  
I am a true TREE HUGGER, if I didnt I would fall out!  chet the arborist

Online Weekend_Sawyer

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Re: Stairs
« Reply #25 on: April 17, 2018, 10:38:15 AM »
Absolutely Chet!

I always tell people that you are going to kill someone by putting things on the stairs.
Imagine, Me a Tree Farmer.
Jon, Appalachian American Wannabe. ... and it looks like my dream will come true!

Offline petefrom bearswamp

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Re: Stairs
« Reply #26 on: April 17, 2018, 06:07:28 PM »
Being an old fart, 1" inch would make me stumble.
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Offline Deere80

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Re: Stairs
« Reply #27 on: April 18, 2018, 10:01:09 AM »
Have you pulled up the carpet yet?
You may be surprized what is under there. May only need some sanding and refinishing.
I built the house in 2003-04 and used the 1 inch compressed particle board for the step with 1/2" OSB for the back of the step.  That would be nice if they were hard wood already but not so lucky.  I was cutting last night so should finish tonight cutting then just got to wait till it dries.  The Landing is 3/4 in plywood so I will just make everything the same thickness as it is now so I do not change anything for height difference.
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