Good morning Jan,
Thank you for your enquiry.
Drybase Liquid Applied DPM would not be suitable for this application. It is recommended for use on concrete flooring and also floor to wall joins up to the height of the damp proof course.
I hope this helps, if you have any further queries please do not hesitate to get in touch with us directly.
Kind regards,
Mollie
Safeguard Europe Ltd
Can this be used for tanking a wet room and be (ceramic) tiled over ?