Bond Hardi Backer to Block Wall - Gripfil?

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Hi All.


Looking at bonding Hardi Backer 12mm board to block wall for a shower-in-a-bath. Will tile with standard ceramic tile – nothing excessive.

Seems to be mention of two bondings (both with mechanical fixings afterwards);

- 6mm notched cement-based tile adhesive (Mapei Keraquick possibly?)
- And on calling Hardie themselves; Gripfil – 3-beads down the four edges and then down the centre.

Anyone used the Gripfil technique? Assume it might work out a bit cheaper? Assume it’s the standard stuff?



Cheers,
Neil
 
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tpt

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not sure i'd be happy fixing it like that, sounds expensive and wont allow you to allow for any fluctuations in the block wall surface
 
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