Schluter Kerdi Board Installation Tips for Bathtubs -- by Home Repair Tutor
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- Опубликовано: 22 мар 2019
- This video shares Schluter Kerdi-Board Installation for bathtubs. Kerdi-Board is a great way to waterproof shower walls in one day and immediate start tile setting...if you're doing a bathroom remodel and need help, enroll in Home Repair Tutor's online courses at www.homerepairtutor.com/👍🏼
Kerdi-Board installation begins with checking studs. Studs should even with each other, plumb, and 16" on-center.
Boards can be cut using a utility knife and installed to studs using Schluter screws and washers; screws/washers need to be 16" on-center horizontally and 12" on-center vertically.
Once boards are installed, all seams and screws need to be waterproofed using unmodified thin-set (e.g. Kerabond) or Schluter's ALL-SET along with Kerdi-Band. Sponge Kerdi-Bond to make it smooth and remove any humps.
Kerdi-Board can be connected to the tub using Kerdi-Fix, Kerdi-Band, and unmodified thin-set or ALL-SET.
Watch our video for more details
#homerepairtutor #kerdiboard #schluterkerdiboard 
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Super simple yet we still get questions. Now, follow these 87 easy steps.
The best kerdi board video by far, informative and to the point.
Great demo on the rabbet that lets the kerdi board cover the tub flange and screws in my case (steel enamel tub). Saved me a bunch of hours thinking and researching. Thanks!
Glad it was helpful 👍🏼🔥👍🏼🔥
Super useful vid. I think everyone was confused if the board should overlap the tub flange or butt on top of it. The rabbit cut is a best of both worlds solution
Thanks John, our Schluter Rep gave us that tip. Definitely saves Kerdi-Fix
@@HomeRepairTutor And gives a bit more space to bond to for the first row of tiles. I may go ahead and do that next weekend, since my tiles are 3x12 as well. I do already have 2 tubes of the Kerdi-Fix since I bought the kit with everything.
Thanks for this! Exactly what I needed to figure out how to fo over top of the tub flange, finally someone that explains it right.
Happy it was helpful 🙌🏼🔥
The grid on the Kerdi board and the Kerdi membrane really comes in handy when cutting and installing tile. Great video.
Totally, really cool feature
Awesome tutorial very informative yet to the point! Looking forward to using the kerdi system on our next bathroom reno projects. Thank you! 💎
👍👍
Kerdi board looks neat!
Thank you, it’s a great system and very versatile, making cuts are super fast
Thanks Jason
This little ruclips.net/user/postUgkxVoi3B4CB6Oygq1-vo4OTL1M_M5JkrXif tub works perfect in our 6 x 6 shower and is easy to get in and out. Also easy to drain.
In the Schluter videos, they always show kerdi-board seams over the studs, and horizontal seams have blocking behind. It looks like in some instances you are letting the horizontal joint just span the studs with no blocking. 2:46. I would love not to have add a bunch of blocking--thoughts?
Schluter's Kerdi-Board is very user friendly and convenient, plus tile can be set over it on the same day as installation. Tips in this video hopefully clarify questions about the system. More systems and tiling videos are available inside Bathroom Repair Tutor which now has over 190 detailed video tutorials bathroomrepairtutor.com/
Jeff, I saw you at Best Tile today. Thanks for the vids
Thank you, were you at the counter with Bob?
Home Repair Tutor yeah, that was me. Need to grab a few more things for my ditra install
@@phlips11 cool, sorry we didn't get to talk. We're doing a Schluter shower install for another video series. Hope your Ditra install goes smoothly
Is there another alternative to Kerabond or Schulter all-set? Neither are locally available. I would like to use Kerdi-board and ceramic tile in a bath and porcelain tile in a shower. Mapei large format tile with polymer is all that was recommended at a DIY store.
What fasteners should be used installing the Kerdi board over a Masonary wall with furring strips?
So I'm assuming if you use the rabbit method with kerdifix you dont need to use kerdiband along the bottom since the kerdiboard membrane is overhanging the tiling flange?
Great tutorial!!! Question! What do you do if you install the kerdi band wrong and the thinset hardened already?
you could try to knockdown the thin-set with sandpaper or if the tiles are 12x24 you could back trowel the tiles and that will give you some leeway with setting them over thicker areas
Home Repair Tutor awesome! Thank you!
Update. I screwed up a sample board using the razor method to cut the rabbet. After some thought (overnight), I used my Ryobi table saw with a fence and finger board to cut a 1/8" wide x 2" tall rabbet on the back of all my Kerdi boards. Worked great to cover the tub flange (and screws and washers).
The Schluter All-Set is a modified thin-set mortar; however, Sclhuter recommends using unmodified thin-set under the kerdi band? In the video you mention using Schluter All-Set under the Kerdi band (1:40) - can you reiterate which is best used under Kerdi band to fill gaps/ joints? Great videos!
All-Set is modified but it's specifically made for the Kerdi-Board/Band and Membrane products.
Great tutorial. Wouldn't the foam board be weaker than a cement board? It seems that if someone fell or pushed against the wall the foam board would cave in or break. I'm sure the tile will give it some rigidity but it seems like cement board with something like RedGard, HYDRO BAN, etc, to waterproof it would be stronger.
All backer boards require the same 16” on-center stud spacing, so there’s no difference with Kerdi-Board. It’s plenty strong and if something like a collapse happened it’s due to too much sieving between studs.
Love the work guys, well done and thank you. One question / observation. I think the reason the kerdi board is supposed to "float" above the flange is to prevent capillary action from pulling water up into the wall cavity. Isn't that why you aren't supposed to run the kerdi board down to the top of the tub? I went with the float / kerdi fix to fill in the gap but I do like the rabbit ear cut idea if it's approved by schluter.
I like this idea of rabbit ear cut as well. But I wouldn't go that deep. I would rather made a steep angle cut. You still want to have some KerdiFix between the edge of the board and the tub. This would ensure that any moisture that would get through the tile/grout would shed to the tub instead of the wall and it still would prevent any capillary action. One way or another you will need to put the thinset and kerdi band over this joint with sill fresh kerdifix. Putting thinset and setting a tile directly on the flange tub and kerdiboard joint is not a good idea due to potential movement and different expansion rates of two materials that would result in putting stress on the lowest tile. The other trade secret is that even if your kerdi flange gets a little bit bent towards the bathtub center you can grind bottom side of the tile with a rotary grinder and still ensure you have good thinset coverage. I have done it and it was somewhat painful/dusty but it did do the trick and made all tiles perfectly plumb/vertical.
Which foam board board do you use most of the time? Wedi, Hydroban, or Kerdi
Lately we've been trying Laticrete's Hydro Ban Board because it's newer than Kerdi-Board and Wedi. We've used all three in bathtubs and showers. Each system has pros and cons. Often it boils down to distribution though. Many people can't get Hydro Ban Board or Wedi in souther California, depending on the system. Same thing with rural locations. All things considered we tend to choose what will work best for the specific project.
Seriously, where do you buy this stuff now? HD, Lowes dont carry it. They only seem to sell full shower kit which I (and I am sure many other buyers) dont really need. The website listed vendors in DC area seem to be remodeling vendors and not resellers of the product.
Thanks Danish for asking, if you're in DC you should be able to visit a Schluter distributor and buy individual sheets of Kerdi-Board along with all the other supplies.
it is great to work with being so light, but at $100 per 8ft X4ft board + special screws +special washers+ kerdi band+ kerdi fix+ thinset to apply it is a hard sell. Cement backerboard and liquid waterproofing will save you a ton of money. I do bathroom remodels for a living, I use both, I just wished schluter was a bit more price competitive
Totally agree, we wish all the foam products were more cost effective. We do like how versatile they can be when walls aren’t perfect
I had to do a few searches to confirm how ridiculous the price was. 12 dollars per cement board and 50 dollars for red guard .
Yeah you save a little bit of time with foam boards but no where near 500 dollars worth
@@shahsmerdis it definitely is worth it for some folks. Cement board is dusty and RedGard has terrible VOCs, both can create terrible conditions for people with asthma and allergies. Customers and homeowners need to consider these variables as one emergency room visit could be way more expensive than Kerdi-Board (speaking from experience). In addition, installation time and warranty factor into shower systems. If an installer can get the system in place and start tiling on the same day, then it allows them to do more jobs. More jobs means more revenue and better business. For the homeowner it means they get a shower up and running faster than with other systems. And that's a good thing for people with one bathroom. So yes, on the surface it's relatively pricey but there's more to choosing a system than just cost.
Goboard is only about $22 a sheet and you can use regular backerboard screws. No need for washers. You can waterproof the seems with polyurethane sealand, liquid waterproofing with tape or kerdi band. Pick your poison. You can wet shim it if your frame is out of wack.
Step one wear protective gear.
Do yourself a favor and don't use Kerdi-Board. Kerdi-Board and Kerdi-Band is not 100% waterproof. Don't let this idiot tell you this is not a Schluter sponsored video. It 100% is. If you really want to water proof a shower, use what ever backer board you like using. Even drywall but I would recommend at least Denshield or equivalent. Use a topical liquid membrane with a fiberglass tape for structure and you are good to go.