No regulations but make sure your floor is able to take the weight and that, if its a wooden floor, that there is no flex or spring in it. If the floor moves at all when the tiles are dry the joints, if not the actual tiles, will crack.
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!