The term lawn, referring to a managed grass space, dates to no earlier than the 16th century. Tied to suburban expansion and the creation of the household aesthetic, the lawn is an important aspect of the interaction between the natural environment and the constructed urban and suburban space.
Allow thinset to dry for 24 to 48 hours. Thinset mortar adheres tiles to floors, countertops, backspashes and walls. It shouldn't be walked on or disturbed during the drying process, as doing so could cause a serious misalignment of the tiles you just laid, a problem that would be difficult to fix.
Country: You must leave the screed to dry out thoroughly before you tile & at 1 day for every 1mm of depth, it could take longer than 4 weeks. You may be able to speed things up a little by having the UFH on low after,say, 3 weeks but if you tile too early or rush drying time it could end in tears.