W
wetdec
Again
Can you reply to this please ??/
tiler
If you board a ceiling or a floor you cross joints, lay one way then the other so there is no transfer of weakness. By doing this with ply say in a 5m2 bathroom you are faced maybe with 2 joints where as with a substrate board there are at least double that so surely the floor has more weak points.
Are you saying then that the glue will fix these boards so they effectively become one sheet and in doing so presumably waterproof ??
Can you reply to this please ??/
tiler