So where does the water go?

[doug boardley]

So you've done the tanking in your wet area to protect the substrate and prevent water ingress to lower floors etc etc etc..... but if water does get through to your tanking, where does it go from there? My best guess is that it can only expunge back through the grout, what's your thoughts?

 

[Gazzer]

The fairies take it away

 

[doug boardley]

Neale, hope you choke on your jalapeno:lol:

 

[kilty55]

brilliant question doug,my guess is that it comes back through grout,your tile may come away as well but at least you could re fix as the substrate will be protected?

 

[Gazzer]

Made my eyes water Doug ....little blighters snuck up on me while i wasnt looking.. Thank god for Tanglefoot

 

[kilty55]

tanglefoot?? is that yodas mate?

 

[Dan]

It simply passes through the grout at the bottom of the tanked area. Which is why I used to be fussy about a really small bead of Silicon. You don't want water trapped behind it, that's usually where you get the black mould from that seems to seep from behind there.

 

[doug boardley]

It simply passes through the grout at the bottom of the tanked area. Which is why I used to be fussy about a really small bead of Silicon. You don't want water trapped behind it, that's usually where you get the black mould from that seems to seep from behind there.

thats why I use a solid bed trowel in wet areas Dan, to stop the water ingress running down the ribs and pooling at the bottom.

 

[Gazzer]

tanglefoot?? is that yodas mate?

Ale Jamie

 

[Aston]

the water would absorb into anything porous ie your cba and your grout or the...or absorb into the rear of the tile if it were ceramic.

if there was a section of grout missing grout, then the water ingress would be drawn back through the hole in the grout by capillary action, but again, some of the water would be absorbed into anything thats is porous..

oh and if the water was being drawn in at a rate that exceeded what the area could hold, then the pressure would build up and eventually 'pop' the tile off the wall..

 

[White Room]

Depending the amount of use the shower gets

 

[Dan]

thats why I use a solid bed trowel in wet areas Dan, to stop the water ingress running down the ribs and pooling at the bottom.

Nah I mean generally. The adhesive will still get water into it, even a solid bed. And if a family power shower is ran 3 times daily for 10 minutes say, it eventually does travel down to the bottom I guess?

 

[Dan]

the water would absorb into anything porous ie your cba and your grout or the...or absorb into the rear of the tile if it were ceramic.

if there was a section of grout missing grout, then the water ingress would be drawn back through the hole in the grout by capillary action, but again, some of the water would be absorbed into anything thats is porous..

oh and if the water was being drawn in at a rate that exceeded what the area could hold, then the pressure would build up and eventually 'pop' the tile off the wall..

^ and that ^ :lol: :lol: :lol:

 

[diamondtiling]

When I do a shower area I tank the screed but this tanking is carried into the pot below the main stainless steel trough,




So any water that gets behind the wall tiles or through the floor would eventually hit this membrane and find its way into the drainage system.




In a house I would use something like this.. McAlpine Plumbing Supplies | Product Menu codeTSG1T6SS

Then any leaks can always be contained.

 

[jay]

[/ATTACH]you might need to look into something like this doug called puddle flanges you install them then waterproof over the edges
http://www.artplastics.com.au/assets/PuddleFlangeInstFolding.pdf

try this link