Discuss 18mm cement board UHF in the Canada Tile Advice area at TilersForums.com.

O

Old Mod

Yes these systems are loose lay, they’re supposed to level floor first and then glue board edges together as they’re laid, creating one large sheet.
Done correctly, they don’t move, the weight is colossal.
Prime the entire area thoroughly, applying at least two coats perpendicular to each other, use a grit based primer on plastic areas. (Prime & grip or similar)
Charge the system to 5-6 bar cold and latex with 5mm covering above pipes.
This causes pipe expansion, so when the system is discharged they contract leaving enough room for the pies to expand and contract when in use.
Minimising the risk of movement.
Anti fracture mat, it’s stone, it needs one.
A 1mm mat would be sufficient, no need for Ditra, although it will offer a higher level of protection.
Tile
and correct ufh commission, is paramount.
 

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Title
18mm cement board UHF
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N/A
Forum
Canada Tile Advice
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Replies
20

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