Is there much difference between the consistency of levelling compound used for pro-fix panels used in UFH on top floors compared with screeded floors? Is levelling compounds literally like pouring liquid into these mats, is it not thick like screed?
http://www.profixpanel.co.uk/low-profile-screed-system_CF.php
http://www.profixpanel.co.uk/low-profile-screed-system_CF.php