They are wondering if you know how to install tiles.
Yes, when you lay it on a diagonal, there is more waste. Generally, with a straight lay, you need 6-10% waste. With diagonal, it's best to have at least 15% extra.
It is not too difficult to lay tiling down yourself if you follow some simple steps before even attempting the task. You want to make sure that you lay the tiles down on and use sanded grout.
That's at least two days labour for two guys ( to do it properly )
It is possible but I would not reccomend it. If possible remove the old tile before laying the new tile. If you want to avoid removing the old tile you can lay a cement board over the old tile before installing the new tile.
the best way to lay carpet tiles is to keep the edges tightly fit.
It is possible to do but not a recommended practice Carpet tiles are designed to be installed over a stable surface. Even if you use one of the solvent based outdoor adhesives there will be some movement of one carpet against the other. This abrading will result in premature separation of the layers and you will be constantly trying to re adhere sections of the floor as they come loose. The best procedure is to remove the existing carpet, prep the surface & then install the tiles.
You can lay tiles again but make sure you buy proper mortar. You can install any kind of floating floor such as laminate, engineering wood, interlocking vinyl tile. Your main concern should be structural integrity of existing floor, if its not falling you can do pretty much anything
If the tiles are down tight and the added height wont bother you, it is fine to go over the tile with carpet glued down or over pad. The installers will hate setting the tackstrip, but it is part of the job.. you are good to go.
To lay pool tiles, you will need mortar to affix the tiles to the cement pool, you will also need grout for between the tiles and a sponge to clean the tiles.
They are wondering if you know how to install tiles.
nope
Interlocking floor tiles are not preferable used over carpet. The best surface to lay tile or any other flooring product is on a firm and solid surface that out give. Carpet goes down when you step on and makes it so the interlocking tiles will eventually come unlocked by stepping on it. I would not recommend that you install any type of flooring until your carpet is taken out. However if your looking for a good interlocking floor tile I would recommend Swisstrax. They have a great product. And they are great to work with. Sources: www.swisstrax.com www.bigfloors.com www.racedeck.com
Carpet layer.
It is possible to lay your own ceramic tiles at home but be cautious because it requires skill and a lot of practice to lay them correctly and make it look nice.
no you are trying to get rid of all your tiles.
You must make the measurements that you need to lay the tile, then lay out the tiles on the floor to help familiarize yourself with the pattern you are going to be working with. Lay your grouting adhesive and then finally the tiles.