Discuss Fixing hardie backer in the Canada Tile Advice area at TilersForums.com.

Q

Qwerty

Y do you want to fix waterproof cement boards then add a waterproof tanking kit? Are you using the hardie waterproof tape?

Hardi isn't waterproof, only water resistant. It allows water to soak into (& through it) but doesn't break down in wet conditions. I would fix a tanking board or plasterboard (tanked) personally
 
S

Sanke


Y do you want to fix waterproof cement boards then add a waterproof tanking kit? Are you using the hardie waterproof tape?

this job is the result of an insurance claim. In my proposal to rectify the situation I have proposed both hardie with tape & tanking . Bit belt & braces but don't want any future problems
 
Q

Qwerty

would not aqua board and Silicon joints do just as good a job as boards and tanking solution? just wonderd cheers

No Ash. Aqua panel is water resistant like hardibacker, not waterproof. Silicon is not used, a dedicated jointing tape or mastic is used. Most companies sell their own type
 

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Title
Fixing hardie backer
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Canada Tile Advice
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