Impey Waterguard test - TilersForums.com

[Qwerty]

Ok, so in this thread a concern was raised that the @Impey Showers tanking membrane was affected by silicone so I decided to do a little test.

An offcut of Impey Waterguard was used and laid on the bed of my Dewalt tile saw. Areas were marked out on the membrane where the following were applied-

-Dow Corning 785 acetoxy silicone
-Dow Corning 785 neutral cure silicone
-Everbuild Butyl Sealant (supplied by Impey in thier tanking kit)
-LTP crackle glaze petroleum based sealer (ran out of mattstone or Lithofin stainstop!)
-Spray on tile & grout sealer (identical to the LTP spray sealer)
-Lithofin cement residue remover
-Lithofin intensive cleaner

I did video the whole test and yet to upload to YouTube but in the meantime if you have nothing better to do with 6 minutes of your life then here is the link............

Dropbox - SUNP0001.AVI - https://www.dropbox.com/s/oob092dzd4cy4h8/SUNP0001.AVI?dl=0

Apologies for the picture & audio quality, I forgot to remove the waterproof cover on my Lidl GoPro

I will check on the membrane tomorrow and then again every 24 hrs and report back with the results.

 

[Spare Tool]

17 hours 36 minutes ...Oops wrong test

Look forward to the findings Geoff.

 

[Qwerty]

24 hours in and no noticeable failure or reaction to the integrity of the membrane

 

[Qwerty]

48 hours later and no noticeable failure or reaction to any of the products used

So there you have it!

 

[widler]

Ive always wondered why silicone would addect it cannot see it doing owt to it really

 

[Dumbo]

Impey have said to me silicone is fine with Waterguard but I do not understand why the still supply that sealant with it
.

 

[Waluigi]

.......to provide a complete wet room solution I imagine. Plus it’s more margin for them as I expect their sealant is rather expensive.

 

[widler]

Impey have said to me silicone is fine with Waterguard but I do not understand why the still supply that sealant with it
.

I know it’s bloody awful stuff to use , think it’s the car body work glue

 

[Dumbo]

Trouble is it doesn't go off so i end up getting on the end of my tape measure when measuring into the wall .

 

[hmtiling]

the sealant impey supply is semi setting butyl which will out perform silicone as it will accommodate lots of movement and remain waterproof.

 

[Blunt Tool]

Well done Geoff we do appreciate your efforts!
Can I ask is that Impey stuff like the Mapei WP200 stuff?

 

[Qwerty]

Well done Geoff we do appreciate your efforts!
Can I ask is that Impey stuff like the Mapei WP200 stuff?

No, its very rubbery compared to the WP200 which feels almost paper like. Its self adhesive too unlike the WP200

 

[Dumbo]

As above . Good work Geoff made me realise I should be doing test' s on stuff I'm not sure about rather than relying on hear say or propaganda from manufacturer's.

 

[GoneGuy]

Very informative, got me thinking about my next job if there’s any schlüter kerdi left over might do a similar test

 

[Waluigi]

Makes you wonder if you could use something other than Kerdi Coll for the waterproofing.

I know in the US, Kerdi Coll doesn’t exist. They just use Standard tile adhesive.