Full and complete mortar coverage is an essential part of large format tile installations.
Installing large format tile on walls.
These require the use of spacers or temporary holding devices during installation.
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Tcna also recommends full coverage on the back of the tile.
Don t take any risks and always use the floating and buttering method when installing large format tiles.
Troweling the mortar onto the wall.
Tcna recommends medium bed mortars for large format floor installs.
When installing large format tile there must be at least 90 mortar contact and a minimum grout joint of 3 16.
Holding devices are effective aids but can make the installation a slow going process.
When installing large format tiles and planks it is vital to adhere to the recommended grout line widths recommended patterns and all installation guidelines.
Check the laying substrate has no cracks it is homogeneous and mature totally clean and flat.
Large format tile must be installed on a level substrate.
Without the proper coverage the tile and gout become susceptible to cracking along with a loss of bond to the tiles.
Special device for the plate s pulling over.
Maximum deviation from flatness of 1mm per 2 meters length measured.
This will make sure that the ridges of the mortar collapse when setting the tile and give you the required 85 or more of coverage.
For all of msi s rectangular tiles a minimum of a 1 3 or more off set with 1 8 grout joint size is recommended for rectified tiles and a 3 16 grout joint for non rectified.
To achieve a full coverage start by using the appropriate trowel and troweling technique.
When installing large format tile you ll want to use a 1 2 x 1 2 square notched trowel.
10mm 10mm v notch trowe.
Heavy large format tiles used on wall applications are best installed using non sag adhesives.
Other thinset mortars such as dry set portland cement and latex portland cement may also be used to install large format wall tile.
Yes porcelain and natural stone tile manufacturers recommend the use of a polymer modified mortar for installation of large format tile to concrete plywood and synthetic membrane surfaces.
Large format tile installation requires particular attention to proper substrate preparation grout joint sizing trowel selection and mortar coverage.