So you are doing.

So you are doing. Choose what suits you, calculate how many slabs you need, but you, of course, with a margin, and start installing them. If you have gathered puzzles at least once, then you can handle it, because — that the principle is the same to collect their groove in the groove, only with the help of self -tapping screws. You can do this in any weather, even in winter, only when you finish and the matter remains for the grout of the joints, you will need to wait for the plus temperature and only then. Just note that the grouting material you use contain cement — this will increase reliability and fortress. If the building is not quite even, then, of course, you need to collect an additional crate so that no shortcomings are visible.