Cement board around shower

[flat350]

I framed out my last shower for a fold down seat but later felt it was too crowded and abandoned the idea. Current shower project has the room. Will definitely check out boating supply stores.

Thx



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It's not a huge seat only like 24" wide but the wife loves it and I think I only paid $100 for it all teak and all of the brackets and hardware are stainless steel.It's only been up for a year and it still looks like the day it was installed.
The most difficult part on that shower were the stones,they were all hand collected by me on Lake Michigan.Each one was hand coated with epoxy,placed on a heat reactive fiberglass mesh,heated to make them attach to the mesh,set in thin set mortar,and then everything was epoxy grouted.

 

[Jeffksf]

Use Goboard, Menards has it. I will never use Hardi or cement board again on shower walls.

 

[branimal]

I used Wedi board it's 100 waterproof and if installed correctly will last a few lifetimes .
I wouldn't install cement board or green plaster in 2019 , we have many better options to choose from.

I was looking at Wedi board prices. for the walls.... $63 for 15 square ft vs $10 for cement board. Obviously you have to use Redguard on the cement board which increases costs. But I have a bucket of that stuff waiting to be used.

After that bucket is used, I'll look into waterproof foam boards for the next bathroom. Seems like it is the future.

 

[branimal]

I'm surprised no one recommended DensShield: https://www.buildgp.com/product/densshield-tile-backer/. It cuts like drywall, has a moisture barrier, and a water resistant core. I've used it on two showers, and sealed the joints with a single part urethane liquid with fabric embedded, as well as painting the liquid over each fastener head. It's easy to work and about $10/sheet at HD.

HD nor Lowes carry DenShield or Goboard in my local area. I'm checking with a building supplier.

Thanks

 

[The Cobbler]

......you should seriously look at some of the new styrofoam board on the market, much lighter & easier to work with than cement .
......

......

After that bucket is used, I'll look into waterproof foam boards for the next bathroom. Seems like it is the future.

It's now for me. never would I use cement board again. 4 sheets 36x60 can easily be carried by one person , it's not abrasive so you don't have to worry about damaging tubs etc. it cuts easily with a knife .

 

[b-boy]

I just did Schluter Kerdi over cement board last year in a shower.

It was a lot of work, and not cheap, but I trust the final product. It came out great.

 

[jhrodd]

I just did Schluter Kerdi over cement board last year in a shower.

It was a lot of work, and not cheap, but I trust the final product. It came out great.

I've done 8 showers with Kerdi on drywall, no need for cement board. Three are in rentals and after 13 years the oldest one still looks like new.

 

[shellback]

jhrodd,
Just regular drywall? Not the fancy green/mold proof?
Thanks.

 

[jhrodd]

jhrodd,
Just regular drywall? Not the fancy green/mold proof?
Thanks.

That's right. That green board shouldn't even be on the market. If you search the John Bridge Forum the two most reviled products are green sheetrock and mastic. At least mastic actually has some valid uses in a dry environment. Kerdi is designed to be used with regular drywall, cement board is acceptable but totally unnecessary, has less strength, and is more difficult to work with. I wouldn't use it. I did use some Kerdi-board (foam) around the tub in my last shower.
https://www.johnbridge.com/vbulletin/forumdisplay.php?f=11

 

[branimal]

Went with the Denshield. Not that much more than cement board and it comes in 4x8 sheets.


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[dkroth]

Good info in this thread. There's a shower/bathroom in my near future.





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[LS6 Tommy]

Following with interest. We recently embarked on an overhaul of the two first floor bedrooms to make a small master bed/bath. My contractor has not shared any details as to what will be behind the bathroom tile.

Tommy