Thanks all for you advice, really appreciated I'm planning on attempting a resin crack repair (ardex or Uzin with the metal clips) and then the...
Thanks for your opinion. What's your reason for it having to be replaced? What's failed? Is it not repairable?
Yep, when you step on one side it gives by a few mm
New has a depth of 70-80 depth easily. Existing has a depth of about 30.
We have had an extension and wet UFH installed across the whole ground floor (new and old). UFH in the new extension is clipped on top of...