[jengebretson]

Doing another Wedi this month. And going to another Wedi workshop later this month. I was told they have some new things out, one of which is a base for zero threshold. Apparently it's lower on the edges than the Fundo pan and is made to go on top of joists, though you need to fill in between the joists blocking and plywood flush to top of joists. Too bad I didn't find that out a couple weeks ago, I installed two of the ARC Tuff Forms for a customer. The drain changes would have been simpler.

I still don't have pricing for 4x8 sheets since Daltile doesn't stock them, they don't want to have to stock the larger size. Too bad on this next one since it's a 4'x4' shower and will be using 3'x5' panels.

Wedi 4'x8'x1/2" sheets from my local supplier is around $93 a sheet and 3'x5'x1/2" is $42 a sheet. Kerdi 4'x8'x1/2" is $73 a sheet.

Sent from my SM-N920V using Tapatalk

 

[jengebretson]

I am kinda rethinking Kerdi Board. Compared to Wedi it's a joke with all the Kerdi band and having to deal with the corners. Wedi looks like a winner. The pans easily integrate. You can integrate ARC pans with ease.

Anyone's thought on Denshield? I've used it a few times and liked it. I was considering sealing the ends like Wedi does and just going that route. Consistent product and doesn't cost an arm and a leg.

I also like that the core of the Wedi is waterproof, as long as you don't puncture all the way through the foam, you are still waterproof. All the kerdi band, kerdi inside corners, and kerdi outside corners are a pain. This project would have been time consuming with Schulter

Sent from my SM-N920V using Tapatalk

 

[goneelkn]

How long before you can tile with Wedi sealant?? Just did a surround with Go Board and Sika 1A and it took three days to cure.

 

[Tom M]

Wedi is advertised as same day.

 

[jengebretson]

How long before you can tile with Wedi sealant?? Just did a surround with Go Board and Sika 1A and it took three days to cure.

You can water test after 2hr of cure time as per installation instructions. Typically you can tile around the 30-45min after installation. Skin time is very quick with the Wedi sealant. I usually install the boards, do my tile layout, and by the time I am done with layout I can start setting.

Sent from my SM-N920V using Tapatalk

 

[goneelkn]

Thanks that sounds better than 3 days. Go Board is $22 for a 3 x 5 and is waterproof through the core.

 

[overanalyze]

Thanks that sounds better than 3 days. Go Board is $22 for a 3 x 5 and is waterproof through the core.

I have used the GoBoard. It works well. The only thing that bothers me is it isn't a part of an entire system. No help from the manufacturer if you would have problems. Still will use it though.

 

[goneelkn]

I have used the GoBoard. It works well. The only thing that bothers me is it isn't a part of an entire system. No help from the manufacturer if you would have problems. Still will use it though.

Yeah your thread got me to use it. Thanks. I did not like waiting the 3 days for cure time though. I used the Sika 1A. I'll try the Wedi sealant next time for setting at least the next day or else mortar and mesh then liquid. Have you tried anything else??
Can't beat the price, though would be nice if they came out with 4 x 8's.

 

[Tom M]

How are you treating foam core ends? Like what you would have with a built in seat.

Spackling over the cells with the sealant?

 

[TNTRenovate]

Wedi is a closed cell foam.

 

[jengebretson]

Go Board core is Polyisosyanurate. Wedi is Extruded Polystyrene. Extruded Polystyrene is better for wet environments. Polyisosyanurate can absorb and hold quite a bit more water than Extruded Polystyrene.

Sent from my SM-N920V using Tapatalk

 

[Mr_Stop]

Bumping an old thread...

I'm considering switching over to using a foam board based system like Kerdi or Durock Ultralight. Currently I'm using Durock CBU with mud preslope/slope/curb, pan liner and liquid applied waterproofing.

On a shower I'm quoting it looks like about an extra $300 or more in material over my current CBU system. If I switch, I plan to still use a mud slope rather than the foam shower pan.

In your experience, are the labor savings enough to offset the increased cost of these systems (How much time do you think you save)? How much does it reduce your install timeline? Any drawbacks, besides cost, vs the CBU method?

 

[tjbnwi]

Due to the flood test on the pan, I'm not sure you'll be ahead time wise.

I like Kerdi board, I have no issues with banding the seams and screws. Some people prefer the sealant method Wedi uses.

One trick Travis relayed to me was, wrap some Kerdi band around your hand. Slide it off your hand, cut with scissors. Saves time.

With Kerdi there is also the modified/un-modified requirement.

Tom

 

[Mr_Stop]

Due to the flood test on the pan, I'm not sure you'll be ahead time wise.

I like Kerdi board, I have no issues with banding the seams and screws. Some people prefer the sealant method Wedi uses.

One trick Travis relayed to me was, wrap some Kerdi band around your hand. Slide it off your hand, cut with scissors. Saves time.

With Kerdi there is also the modified/un-modified requirement.

Tom

I was wandering about the flood test thing. Schluter recommends at least 24 hours of set-time before flood testing so that would be a setback. With my current method, I can install the liner after the preslope is sufficiently cured. However, I have the added steps of having to notch the studs with the liner. Kerdi board should also go up a bit quicker and I can probably get it to waterproof faster. I also don't have the second mud slope to install. But, yeah, probably a wash to short savings in timeline. Maybe a bit more in labor savings?

Seems like Wedi might have a slight advantage in the timeline savings.

Yes, the modified/unmodified thing seams like a pain.

 

[CPMKW]

Bumping an old thread...

I'm considering switching over to using a foam board based system like Kerdi or Durock Ultralight. Currently I'm using Durock CBU with mud preslope/slope/curb, pan liner and liquid applied waterproofing.

On a shower I'm quoting it looks like about an extra $300 or more in material over my current CBU system. If I switch, I plan to still use a mud slope rather than the foam shower pan.

In your experience, are the labor savings enough to offset the increased cost of these systems (How much time do you think you save)? How much does it reduce your install timeline? Any drawbacks, besides cost, vs the CBU method?

In my mind, you are missing out on the biggest time saving but not doing a full system and sticking with the mud pan.

I will mud pan some custom sizes still but it is rare.

If you go kerdi, would you use kerdi membrane/drain on the pan?

I am now a wedi guy for almost every install. A standard 36x60 shower, three walls tiled, can be installed before lunch. That is pan, drain, walls, sealant. I take a lunch break and start laying tile in the afternoon. One guy, no helper.

That is a perfect scenario where the walls are already square and plumb and the pan doesn't need to be cut to a custom size.

Wedi is almost double the cost of a Kerdi kit (using membrane not foam board). But I save the time to install drywall, followed by membrane and kerdi band. I was slow doing kerdi and always found I had too much build up in the corners after laying the band.



Sent from my SM-G930W8 using Tapatalk

 

[tjbnwi]

If your using Kerdi sheet, don't band the corners.

Run the starting wall sheet 4" onto the adjoining wall. Set the adjoining wall sheet 2" from the corner this gives you the required 2" overlap. Pre-formed corners at the base. Done.

Kerdi board, Kerdi base, on a 32x60 shower, ready in about 4 hours.

I used Schluter All Set on my SIL's shower. It's a modified and worked well for everything including the glass tile.

I have done one complete Wedi shower, was not thrilled with using the sealant.

This week I priced a 72x72 Schluter kit-$725.00, priced just the 72x72 Wedi base (they don't make a 72x72 kit), $1325.00.

Tom

 

[CPMKW]

Yep, I have wrapped around corners with kerdi membrane. Still need to band from the floor sheet to the walls. And then the inside preformed corners.

I know it is possible to do it fast and easy, it just wasn't possible for me.

Sent from my SM-G930W8 using Tapatalk

 

[tjbnwi]

Yep, I have wrapped around corners with kerdi membrane. Still need to band from the floor sheet to the walls. And then the inside preformed corners.

I know it is possible to do it fast and easy, it just wasn't possible for me.

Sent from my SM-G930W8 using Tapatalk

Floor sheet I cut 4" large, nip the corners, j roller to "seam" the 2" per side fold, install.

Tom

 

[CPMKW]

I get it and I have done it. But when laying a smaller tile on that series of overlaps (floor/wall/preformed corner) I found to be a pain. It is strange, but I found the mm add up.

No issue with a larger format tile.

Sent from my SM-G930W8 using Tapatalk

 

[Mr_Stop]

If going this route, I'm pretty set on using the Kerdi-Board (or equivalent) rather than a sheet membrane. I would use the Kerdi-Membrane on the pan.

For the Kerdi pre-made shower tray, does the shower have to be perfectly square with the drain centered? Mine is pretty close to square (~57 1/2"), but the drain is slightly off center due to floor joist interference.

Corner build-up is a concern for me as well. I get that with CBU's /liners and it can make installs a bit more finicky. I like the idea of Wedi in that regard.

So, it sounds like you have moved to one of these systems. Are your clients paying more for this? Or, have you found that you're making up the increased cost in labor savings?