How To Install Floor Joists
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- Опубликовано: 9 фев 2025
- How to install floor joists is important part to a strong subfloor. 2x10 floor joists are strong up to a 12’ span.
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Disclaimer: This video is all based on my personal opinion and is for entertainment purposes ONLY. I am not a financial advisor, CPA, attorney, tax advisor, electrician, plumber, housing contractor, designer, or any type of profession to give advice. I am just a consumer sharing my experiences and research. If you do need knowledge for those types of things, I will advise you to seek help for those professionals.
Did you like the GoPro footage with voice over? Let me know in the comments below 👇👇
Are those floors joists 2x12 or 2x10 ?
Joel Joe_fpv 2x10. Typically only do two by tens
@@TheExcellentLaborer Thanks
Joel Joe_fpv Are you building a house for yourself?
@@TheExcellentLaborer I'm thinking about it
I can't see how someone would not like this video. I have been building for years and always try to learn something from every one. never know when you might find a nugget of knowledge. But some people already know everything and should keep moving. Great videos so keep up the good work
Beware the guy who claims he knows it all; the empty barrel makes the loudest noise
They may not have like the way he mispronounced "floor joists" as "floor joist....es" :)
DEFINITELY into the first-person view. More of that gold!
Thanks for the feedback! I will get some more footage out like that. Stick around 😃
I liked the long (nailing over and over) at the end of the video with the GoPro footage as it shows the technique of how to nail in and toenail into the floor joists. The repetition of the video at the end shows *A.)* how the joists are overlapped, *B.)* how many nails should be placed in the joists AND *C.)* where the nails are placed. For beginners this is very helpful because there is a detailed method. I actually wouldn't mind watching more footage from work throughout the day on other things like the measurements on the overlap laying and lining up of the joists. The info on the flashing where the concrete meets the wood was very good info also. Any pointers are great for instance on finding the crown of the wood. I have bad eyes I guess, because I am bad with finding the crown. Thanks for posting!
J. Rob Thank you for watching! I’m glad you like the detailed info because I have realize it’s hard to find on RUclips. My dad is a carpenter and has been for 50 years and he recommended doing the detailed stuff like that. A house I’m building in this video is 3000 ft.² so I’ll be making plenty more videos. I love having subscribers that actually comment on my videos. Thanks again!
Seems like first person is the right way to do it get full coverage of hands on approach while describing I like this good for apprentice studying 👍🏻👍🏻👍🏻🍀
Thanks and Thanks a lot for watching! I try to keep my content consistent. Stay tuned
Bro your awesome, I am a union Journeyman carpenter and I love watching your videos bro, everything from plumbing to electric to framing to soffit , all I can say is KEEP ON KICKING ASS BROTHER!!!!
Well once again this guy saves me a ton of money building my own house THANK YOU JOSH !!!!!!
I'm glad I could help! I appreciate the support!
@@TheExcellentLaborerhow hard is doing this whole floor job in a brick house that already exists?
First person views are much needed. I’m currently framing and have only been doin so for about 4 months. So there are some things I didn’t completely understand sometime things. So this helped with what I didn’t understand.
love the POV perspective! At the start of the video I liked the clear pointing at the individual sections.
Glad you liked it!
Yes keep that view it's nice to be able to see exactly what you're doing as if I would be doing it
Awesome, I’m glad you like the footage!
Thank you so much for sharing your knowledge, and experience it really helps! The first-person view really shows what someone would literally be doing, so helps quite a bit!
You are welcome. I appreciate the feedback about the first person you. I will be sure to continue putting out this content. Thanks for watching!
Very useful information, and I’d keep the first person view, it makes it easier seeing how it’s done.
I appreciate your feedback. Thank you for that!
Just ran across ur channel,I have to say it's one of the best .EC , Perkins builders and there buddy Johnny who is building a tiny home.
Hey Jason! I appreciate the compliment. When I started this channel I wanted it to help guide people who is going to be building their own homes. Thanks a lot for watching!
@3:43 good grief man, IRC 502.3.3. Figure 502.2: Lap Joist 3 inch minimum or splice (*R502.6.1) . There's not enough meat of the board resting on your beam.
Your videos are great,please keep them coming brother. Learning a lot.
I love to hear you appreciate my content. I will keep them coming for sure. Thanks for watching!
I like this kind of up close in person video . Thank you very helpful
Thanks for feedback. I appreciate you watching!
Almost 1k subscribers! keep up the good work!
Thanks! It’s my loyal viewers like you that make it happen!
Great video, indeed like the first-person view and all of the details
Nice video bro. I am fixing my floor joists and wanted to know what nails and nail gun do you recommend?
Very helpful video. Looking forward for more of your projects. Thanks
Thanks! Im glad you are enjoying my videos! Lots more to come. Stay tuned...
Thanks man! I'm planning on eventually closing in our carport and I wanted to start here. The only thing I'm not sure of is how to build the support pillars for the floor joists. Especially if I've already got concrete beneath where I want the floor joists to go. Do you have any suggestions?
Very helpful tips and first person view
Good to know. Thanks for watching!
Nice job Boss... very precise with everything 👍
Awesome video man. Very informative!
Thanks Mann!
i really liked the in person view of the video.
When we were building on the west coast we had to run straps from inside the block cells set in the mortar over the mud sill, rim and exterior of the studs every 16 feet and every corner , and tiko nail that strap to hold the house down to the foundation. I prefer slab on grade and shooting the walls in with a. Ramset
Are those joists long enough? They look like they are only on the girder by about 2 or 3 inches. I'm building my own house soon like this over a basement, but going to over lap alot further than that. Actually taking a second look, some over lap by a board thickness which is 1 1/2 inches. Doesn't feel comfortable to me.
This first person view is awesome
Thanks for the feedback!
So whenever you have the joists that run beside each other on top of the center beam do you just layout that next section 1.5 inches ahead of the previous layout?
That was amazing Josh. Thank you!
Almost a thousand subs! Keep it up. 👍
Json Marruffo Thanks a lot! It’s been a 11 month journey and hopefully I hit 1000 tomorrow🤞 Thanks for the comment and support!
Thanks for the tips
Great info...important hypothetical question. Let's say you're a home inspector and you get under a house and find floor joist spacing is 32" rather than 16 or 24. Despite the spacing being in code, what would be your opinion of that spacing, and the builders?
More than likely the inspector would have you put choices in between them. Which would be super hard to do after you have them installed. But it’s still possible. Or he could make you add additional beams. It’s really hard to say. Thanks for watching!
Nice video. Good information and presentation. Question: How do you get your 4x8 subfloor panels to break on the joists when the joists are staggered where they meet for nailing??
The 4 x 8 sheet will break on a joist if you frame the floor joists 16 on center or 1 foot on center. Hope that helps!
@@TheExcellentLaborer what do you mean? How does the 4x8 subfloor line up side by side in the middle there where the two floor joist ends meet side by side cause there’s like a 1.5” difference between the two sides left and right of where the joist ends meet.
@@CountryLivingOnTheFarm If your measuring from the rim (side) your first one would be at 14.5in on center (continue next at 16) and the sister joist 16inch on center. Cut your first 4x8 cause it will land 1.5inch long.
Can you explain how the sistering works layout wise? Like is the 16” OC where the joists meet together? Do you pull the tape from the left on one side and the right on the other?
I think we’re on the same type of job! Hopefully he’ll answer one of us! Lol 😂
@@chippydog2 well it’s been two years and he never answered me lol. But I can help you. When you measure 16” OC, the joists edges both line up on the 16 center. So one is on the left side of the line and the other is on the right. It’s called 16” forward and 16” backwards in some areas!
Hey good content, I have a question, is there a nail requirement to toenail the ceiling joist to the top plate (quantity and size nail)?
Very informative thank you
You’re welcome Matthew!
Hey joist only overlaps 2” inches instead of 4 or five is to save money or the 3/4 inch sheet of plywood does the trick.
Are the joists or bands attatched to the sill plates?
hey great vid - quick question : with the joists overlapping, rather than butt jointed on the girders, how does that work with the subfloor? Isn't it off an inch and a half on the offset side?
I’m with you on this one! Waiting for a response!
Got a question for you Josh,
When connecting the joists on one side, doesn’t that throw off your layout for the OSB sheathing? 16/32 /48 on center won’t be the same on the next sheet! Right?
Unless you use a chalk line with the new on center mark
Please clear up my confusion 😂
Very simple once you do it once
It looks like you’re doing a really nice job but I did have one question for you. I’ve done a lot of my own personal framing throughout time and I’ve been on hundreds of new home construction projects. I noticed in some places where the coordinating floor joists came together on top of the girder beam they only overlapped a couple of inches and really only on top of the girder maybe 3” at most. Most projects I’ve been on the joists extend past the girder beam maybe 16-18” and there’s plenty of room to nail the 2 coordinating joists together for additional strength I assume. I’m not putting your work down in any way. This is just something I noticed. Thanks for the videos.
An inspector would not and should not approve this installation due to the boards not extending over the entire support beams.
Looking good bud! 😊
Thanks! How did you like the GoPro footage?
@@TheExcellentLaborer I really liked it! ❤
I have a question. I’m about to start footings on my house. I’m doing most of it myself. I have a 32 x 48 ft rectangle outer foundation. I have 16ft 2x10s for trusses. Where would I put foundation piers? What the spacing and how many would I need?
16' on center every 8 feet on center
I have a question I notice you layed your first joist at 16 center the middle joist am assuming at 17 center. How do you lay your plywood on the middle joist that not at 16 center. Sorry for long question.
I kinda have the same question along with half a dozen DIY ers above!
Question: Do you add any sort of bracing between each floor joist?
I try to in areas with tile to ease any type of bouncing. Hope that helps!
Very nice! ... I like how you provided much more crawl-space for workers that will service the house's future plumbing, electrical, duct-work, pest extermination needs! Or, maybe, you just provided the below-grade space for another boring basement space? Hm?
Yes we tall crawl space is helpful. Thanks for watching Robert!
4:26 great video, but can you explain to a non construction person, why do the joists need to be standing when building a floor or roof? Thanks 👍🏻👍🏻👍🏻
Thanks. It is because a board on its side is only a fraction of the strength as it is sitting upright. You will never see floor joists laying flat. Ever! Thanks for watching!
In a nutshell, it comes down to the fact that wood lumber with longitudinal grain resists shear and bending stresses better when the grains are "stacked" and that means standing them up. All you have to do to understand this in a practical sense is to stretch a long board across an open span and walk across it. If you lie it down, the board will be taking a force perpendicular to the grain orientation and when you get to the middle, thr board will be sagging an awful lot under your weight. If you stand it on its end, it is very pikely it will not sag at all while you walk across it. There's a more technical explanation, but the answer is "because it is stronger to stand it up."
@@kalan4787 Both replies were very helpful. Thank you for taking the time to answer my question.
@0:41 Piers are supposed to be doubled up. Two blocks side by side as a column. Read the IRC as it is a minimum.
Excellent info and content thanks for sharing
What size boards are you using for the floor joists and rim board?
How come you didn’t extend the joists passed each other a little further? Our code says they should be extended 8 inches past each other. All codes are different but extending the joists pass each other leaves more room to nail and less chance for the end of the joist to split…
Good video man thanks for explaining is this two story house or one? And good pov footage
No problem! I’m glad I could help you!
Only video that says how
Amigo gracias por compartir tus experiencias eres un campeón tengo un pregunta cuanto es el altura de la base donde van los joist amigo me puedes decir
You have a video on a basement where to put support in correct location
Good afternoon. I have a question for house foundation 40’x70’ and 3 layer high how much cinder blocks do I need. I called places and got different count compared to what I got. Thanks
You have 110 feet of block per layer. Each block is 16 inches wide. I came up with 83 blocks per row times 3= 249 blocks.
Thanks. Is 5/8 #7 rebar good to use for footing. And what kind of cement good to use.
Type S cement. Yes 5/8 rebar is fine
Thanks u inspired me to build my own house. Right now just getting supplies maybe down the road I’ll show u my process.
How would you add joists to an already constructed home from a crawlspace?
Curious if you did a price comparison with TJI floor joists?
the nails are the only thing holding the floor joists to the sill plate? I would think there was a more secure method.
I am installing floor joist and some are different widths and stick above the band board how do you fix that?
Even though they're not directly contact to concrete or ground, but moist can be built up from ground overtime to undermine the floor, would it better if treated plumbers or manufacture are used? The cost would be significant? Thanks
Good question. Pressure treated would be best but currently there are problems getting PT wood. The cost would be only about $15 more for the PT bandboards to do the project. So the vinyl flashing was the next best thing. It cost about $20 for this job.
Great video🔥🙌🏽
Thanks man! I appreciate you watching
this is off the topic a bit but what is the distance between the (not exactly sure what they are called )the piers? under the floor joists? Btw love the close up view!
Yea they are called piers. For a 3 ply 2x10 girder (like you seen on the video) I do not go more than 8’ apart from center to center. See my girder video for more details.
2x10 can go up to 16' with SYP #1
What size nail are you using to fasten the band boards to the joists?
Hey Excellent Laborer, what do you recommend for floor joist - a 2 by 10 lumber or 2 by 12 lumber? For a two story house.
Can you explain the crowns up ?
When you eye ball down the 1 1/2” side of the board will have a bow up or down or straight. You set it the with the bow up. So when weight is on top of it the theory is it will not cause as much sag. Hope that makes sense.
Framed many houses and used metal flashing behind the boards
In between the house and deck, and other areas,
Because that's what they required to pass inspection.
But it makes sense that the moisture and the chemicals would ruin the metal.
Perfect view thank .
You are welcome. I’m glad I can help!
Thanks for sharing
YO! not sure if you are on Linkedin yet? apparently that is another hotspot for posting videos and getting some more attention to the channel- just a thought- solid work man - next stop 10 thousand subs!!!!!!!
Yes! Thanks for that recommendation. It definitely paid off a lot. I will check out LinkedIn I never used it before. I started Instagram and clearly the Tiktok works! Any social media marketing ideas as welcome from you. Thanks
@@TheExcellentLaborer if you put in as much effort into all the social media like steady construction work takes you will be running laps in no time- you already know just keep pushing and stay as consistent as possible and it will pay off!!!!!!! seems like working with the mind is a bit easier than the hands especially as age takes a toll... no problem take care!!
@@cannashiva9719 I definitely agree with you on that one. Even with RUclips it seems to be all about consistency. Thanks again
Just sub'd. I am building a 16x34 addition and wondering if I can use 2x8s for floor joists since spans won't be greater than 8 feet. Would 2x10 be noticibly more solid?
There are several sites that don’t give me the information on the span of whatever species of wood you are using. 2x10’s would definitely be the way to go in my opinion. Thanks for watching!
Grandioso sabes amigo el único problema que tengo en el Perú es que no puedo conseguir la pistola neumática para framing....
.
Very 👍 good
Good view..!
how do u estimate the amount of lumber u need for the project? u have an app? if so what is it?
I do not use an app. I just starting adding up everything from start to finish on paper. It’s hard to get an exact number. Decide how you’re going to build some thing then just start calculating the material from there. It takes time but is the best way.
@@TheExcellentLaborer thank you
David Funk No problem!
John Smith I’m going to check that out. If it works well I’ll make a video on it!
the joist 1 inch overlap enough?
Are you building for a customer or is this your house? Great content by the way.
Thanks! This is a house I will be moving into. I build and sell my own houses every two years or so to avoid capital gains tax.
@@TheExcellentLaborer thanks br6
@@umbertoflocco7866 sure!
Glad to see no extra joist hanging past the beam
I like first person point of view.
I like the first person view
Ok. Thanks for the feedback!
What are the dimensions of each joist?
Around minute 5, why does one joist go ver all three bottom boards, but the other joist only goes over one?
It just catches the girder beam. Is recommended it crosses all three. Thanks for watching!
i do like the pov.
I like it
Good to know!
I like the first person views
Hi Josh, thanks for sharing your skills on RUclips. Ilike your first person views and explanations for doing what your doing. I have a question though. I've many videos oj builders using joist hangar brackets? did you use those at any point? Also, is there a video for how you laid out and built the joist beams? and I didn't catch the dimensions, are they 2x6 or 2x8? I like your videos and have liked and subscribed.
Check out my framing playlist to find the video on girder beam builds. Joist hangers are used when you don't place the joist on top the beam and connect directly to it via the joist hanger. Thanks for subscribing!
Miss working const, always enjoyed the rough over finish but hey, winter hits it's nice to have indoor work. Spinal stenosis inside the spinal column, no cure, terminal buildup pressure on the cord and lights out. Drives me nuts to only watch and thank God for video because I hated a audience as a worker, ha, ha. Either pitch in or get lost and do not bring kids onto a job site even if your the client, kids have no idea what can happen and can cause serious issues.
These comments kill me. 🤣🤣 Very poor carpentry. A lot of experts on RUclips.
What's a "floor joyces"?
I'm a journeyman carpenter working in commercial construction. You’re going too fast with your instruction. For instance, how about explaining why you start your layout ¾" back from the 16" mark on your tape. There's a lot of folks you just threw for a loop.
Way to lay it out like a pro so the trusses land on top of the studs; the inspector and men who know how to build take note of those details
floor joices?
Who would I need to hire if I need to add a extra floor beam or joist to a bedroom? Apparently whoever built my home skipped some space. Instead of one section of the beams being every 16 inches, there is a gap from 16 inches all the way to 24 nothing between them so the floor makes loud squeaking noise.
I hate squeaking floors. Just find a local contractor or carpenter to do the work if you don’t want to do the work.
@@TheExcellentLaborer awesome! Thank you so much for your response! I'm going to watch a few of your videos on how to install subfloors as well. New Sub!
@@TriniDB Thanks a lot for watching. Lots of content to come!
Sarah Lynn🥰🥰🥰
Who is Sarah?
Why is it important to keep the tops of the joists level
You know why 😀. Thanks for watching!
First person view is money for people to learn
In the first five seconds, you already have a code violation. 👌