Can't. Under normal circumstances, after laying the floor heating pipe, the ground should be leveled first, and then the floor tiles can be laid. Because the floor heating pipes are generally prone to expansion or contraction, after the floor heating pipes are laid, if the floor tiles are directly laid on the floor heating pipes, there will be no buffer space between the floor heating pipes and the floor tiles, which is prone to cracking.
In addition, if there is not enough cement mortar between the floor tiles and the floor heating pipes to support, it will also cause the floor heating pipes to be crushed by the floor tiles, causing unevenness and collapse of the floor tiles, reducing the aesthetics, use effect, service life, etc. of the floor tiles. aspect.