The difference between the two comes down to the manufacturing process and how the tiles are cut.
How to install rectified wall tiles.
Because there are numerous manufacturers of rectified tiles the american national standards for ceramic tile installation recommends that anyone looking to install the tiles without grout joints.
What it is.
Rectification simply affects the kind of edges the tile has which in turn means that rectified tile is ideal for specific types of tile installation.
Be sure to put spacers between each tile as you go.
Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
Inspect your installation site.
The first non rectified or pressed tile back has a regular border around the edges.
Rectified tiles are ceramic or porcelain tiles that have been precisely ground and machined to give them near perfect straight edges and exact dimensions.
Perfectly cut edges will not perform better than regular tile when friction occurs so they can still cause a variety of problems if you opt for a no grout tile installation.
All tile shops will sell a number of different types of tiles.
Additionally the edges are usually precisely cut at a square.
No matter what your tile laying skills are attempting to install rectified porcelain tiles on an inadequate surface leads to an unsightly finished project.
The most common floor tiles and wall tiles are known as either a rectified tile or pressed edge or cushion edge tile.
These next two images focus on the back of the tile.
Next mix your grout and spread it into the gaps between the tiles using.
These tiles provide a very clean symmetrical look and allow for extremely fine grout lines of 3mm or less typically using unsanded grout which is most appropriate for thin grout lines.
The issue of ceramic tiles cracking grows exponentially as the size of the tile gets bigger.
Small ceramic tiles can be very forgiving but large 18 to 20 square inch tiles demand perfect installation conditions if you expect your new floor to remain crack free.
Rectified tile installation preparation.
In truth rectified tiles allow for a thinner grout line.
Furthermore it does not make a tile better or worse.
Rectified tile is fired tile ceramic or porcelain tile that has been mechanically cut or ground down to an exact size.