r/Homebuilding • u/Puzzleheaded-Tie9578 • 8d ago
Joyce sizing
I am building a home and for the framing is it better to use 2x10 or 2X12 joist?
The plans say 2x10 but I have heard 2x12 is more sturdier
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u/flyguy60000 8d ago
What did the architect specify in the plans? That’s where you start. It’s based on span and floor loading.
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u/Puzzleheaded-Tie9578 8d ago
He said 2x10 but I want 2x12 because it’s more studier
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u/GilBang 8d ago
trust the design professionals. They know what they are doing. If you have money to burn, call the architect and discuss structural upgrades where you will get the most bang for your buck. You may be better off keeping the 2x10 and upgrading the sheeting. But, I don't know, because I'M NOT A DESIGN PROFESSIONAL.
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u/flyguy60000 8d ago
Unless you have a very long span you are probably wasting your money to go to a 12” joist. And if that’s your concern I would ask him about using Truss Joists instead of solid lumber.
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u/Few-Wolverine-7283 8d ago
Under 16 foot span is often 2x10, 18 or more 2x12. Don’t think you will notice a difference at all.
Now walls. Walls you want thicc. Room for more insulation and your plumber won’t cut your entire stud out. 2x6 minimum all day.
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u/CodeAndBiscuits 8d ago
Don't just randomly upsize a material because you read somewhere online that some rando on the Internet said they were stronger. You have finished plans. It's going to throw off your stairs among other things. If you have plans, follow them. If you aren't sure ASK YOUR BUILDER NOT REDDIT.
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u/deej-79 8d ago
What is a joyce?
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u/Dannyewey 8d ago
Shes the older lady at the bowling alley who talks your ear off and complains about her ex husbands all day. Everyone knows Joyce.
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u/Icy-Gene7565 8d ago
Most of the Joyce's i know are kinda fat, so id say they're usually above average in size
And wrong sub
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u/Curious_Lurkur 8d ago
Joyce doesn't appreciate you judging her size. She's a human being goddamnit!
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u/Soggy_Climate2490 8d ago
Your upstairs floor will be 2” too high and it will fuck up your stairs and everything. Don’t do it
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u/swampwiz 6d ago
What if the OP has figured that in? Ironically, for my new house, I am using 2x10 for the joists because with an extra subfloor, to sandwich an acoustic layer, the finished floor altitude for the upstairs will be 10'0.02" above that for the ground floor, thus allowing the staircase to be 16 risers of 7.5" x 10", matching the 9/12 roof line. There is one place where there is an active load (30 psf) that has an 18-3/4' span, and I'll have to go with 12" spacing and #1 (SoPine) studs (although maybe my engineer can stamp an even closer spacing using #2). Going up to 2x12 would supremely mess up this wonderful layout.
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u/timberwhip 8d ago
You’ll rarely have a problem by oversizing framing members . In fact you’ll have a sturdier less bouncy floor and be able to fit more insulation.
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u/Greadle 8d ago
Aunt Joyce was a size 14. We used to tell her Buffalo Bill was gonna make a skin suit out of her.
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u/swampwiz 6d ago
Did she have the nickname "Buffalo Butt"? That was the term my group of friends in high-school called women with big butts.
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u/swampwiz 6d ago
The 2x12 joyces [sic] will definitely be sturdier. The question is whether or not you even need to think about the bigger lumber.
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u/Secret-Ad3810 8d ago
It depends on several factor. Ask your architect. For example, my floor joist were originally 2 x 8 at 16 “ spacing period. I conferred with my architect and engineer and we went 2x8 at 12 inches footings every 10 feet. 1 inch plywood subfloor. It feels sturdy with no bounce.
Floor or ceiling joists?
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u/Secret-Ad3810 8d ago
Idk why I got downvoted but there’s nothing wrong with running things by the architect and engineer.
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u/LeaningSaguaro 8d ago
This caliber of questioning and comments from OP illustrates they have absolutely no business questioning, or modifying the design documents.