CARBONATATION: EPILOGUE

Referring to our article about carbonatation of fibre cement panels we need to emphasize bonding these kind of panels with a pre-treatment on the surface where you put your adhesive bead with TWEHA Prefix X-tra is functioning without any problem.

However the carbonatation process of fibre cement panels needs attention. When the panels are not completely dried a thin layer of calcium carbonate CaCO3 (see attached photograph) forms itself at the backside of the panel which may form a brittle layer difficult to bond on.

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