Cutting Down Floor Joists for Curbless Entry Shower in Upstairs Bathroom
To make a curbless entry shower, the floor in the shower area needs to be recessed to allow for the height of the drain and the proper slope on the shower pan. In order to do this on a raised foundation or second story, the floor joists will need to be cut down in order to accommodate the recessed area needed. There are engineering rules that need to be followed to maintain the structural integrity of the floor joists. As a general rule, no notching of joist can take place in the middle 1/3 of the span of the joist. On the outside 1/3 of the span, notches may be cut into the joists. There are also limitations to the size of the notch you can cut. Only 1/6 of the height of the joist may be removed. That means for a 2x12 joist, only 2" may be removed from the joist. For a 2x10, only 1-5/8" may be removed. For a 2x8, only 1-3/8" may be removed.
I hope this video helps you to make informed decisions based on your joist situation. Always consult with a structural engineer before making any modifications to structural members in a building.
For the video on setting the kerdi-line drain in the floor: • HUGE Double Line Drain...
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There area numerous variables involved when notching structural framing members! You should always have a structural engineer sign off on that type of work!
Man I love you! You have done it all, thanks! This is exact the situation for my current project!
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Hi Isaac, it would have been nice if you show how did you shave the beams, tools etc. thanks
Wow I can't wait to see how this turns out. This looks awesome 👏
I’m excited to see this whole shower come together. Keep us updated
I love your videos bro. I'm going to a class in South Carolina in Sept. I'm really excited about learning this stuff. I'm a plumber for 10 yrs but I want to learn how to do tile and correctly. I've must of watched like 30 of your videos the past two weeks. thank you for your experience
Thanks for the great info, I'm getting ready to lower my floor. I'm using the Schluter pan, kerdi and ditra. This is a first time project. I was fortunate to attend a Schluter workshop on the process. Your videos are excellent. Going to go buy one of your shirts.
Excited to see this job. Like “different” and this job is definitely different😉
Can you show how you did the taper on the beams?
That's what i like about our job.The fact that every job is done by the same steps but in the same time every job is unique by itself :)
Thank you for the 2 great tips now i learned how to my job a little bit better
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Heads up to anybody else wanting to do this: I wanted to do this detail in a shower I'm working on. I just called Schluter to run it by them, and they said they wouldn't recommend, endorse, or warranty using ditra-heat over a plywood in a shower. You have to use either a mud base, or their foam pan.
I was just watching some of ur videos on my way home from work with my dad.
May God bless your crew. 😉 I do tile and come by my friends trailer. He helped a guy get some work but I noticed lippage and uneven wall from just walking up on the shower. He noticed nothing but don’t know what to look for. I asked what was used for water management and/ or water proofing? He said all he bought was durarock. No linnet, unsealed bench and walls. I hate to break it to him but it all needs redone at this point. Unless u know any tricks. But I don’t bandaid jobs and don’t feel comfortable just doing the
Like 10 years ago I did a shower job for a carpenter where he planed and pitched the subfloor towards the wall. Then I jus applied fabric and liquid waterproofing over it. And I got a lot of haters on why I didn't do a proper mud pack before tiling. Now, with all the new materials with foam and all that, people are looking at tile substrate in a whole new light. I think the wood pitch is ingenious. Just like how in the 70s and 80s they thought it so smart to frame up, or down, to accommodate shower receptors. That's architecture, not just pasting down tiles.
Great video!!! Appreciate the insight and expertise!
Nice work Isaac. Love the detailed information.
That's crazy. California engineering. Next level. Good job.