Liquid membrane over formed tray

[Kristian]

Hi. I've bought the Impey formed tray. Looking at tanking kits, the Impey one (roll out membrane) would cost me about £450 while an alternative liquid kit, by Everbuild Aquaseal will cost me under £100. (15 sqm).

Do I just treat the formed tray like any other floor when applying the liquid membrane, in other words, do I just tape over any cracks/joins then paint it on? I see that the aquaseal kit comes with a small piece of non-liquid membrane to fit around the waste.

I'm just checking I'm not doing something stupid! Thanks.

 

[Dumbo]

If youdont want to use impey membrane is it possible you can take back tray and use a different system like wedi etc

 

[Flintstone]

Impey tray - impey membrane. Why risk it to save a few quid? This is the most vital part of the whole job

 

[One Day]

The way I have done this, when I've HAD to tile onto Impey trays (I'm not a fan) is to abrade the tray with sandpaper, then use a mosaic trowel to spread (either/or)
1) Ardex WP + Mapeiguard wp200
2) Schluter Kerdi-coll L +kerdi membrane

I can't see any air-drying liquid bonding at all to the impey tray.

 

[Kristian]

ok thanks for your thoughts everyone. I'm thinking to use an impey membrane around the tray area and liquid everywhere else. The cost savings are huge, not just a few quid.

 

[Kristian]

If youdont want to use impey membrane is it possible you can take back tray and use a different system like wedi etc

Liked the impey tray as my joists are in the way

 

[Dumbo]

I've put Kerri membrane onto impey trays twice .

Liked the impey tray as my joists are in the way

i thought minimum purchase was 5sqm

 

[Kristian]

Decided to use impey membrane instead. Thanks for all the remarks.

 

[Dumbo]

Decided to use impey membrane instead. Thanks for all the remarks.

Wise choice.

 

[Blunt Tool]

Decided to use impey membrane instead. Thanks for all the remarks.

Wise choice as could be no come back if you don't use their system with their tray if any guarantee claim.