The british standards for wall and floor tiling bs 5385 1.
Floor tiling tolerances uk.
If the grout joint width is 1 4 or greater then the allowable warpage is 1 16 plus the allowable inherent warpage of the tile.
Bs 5385 2 wall and floor tiling.
Thanks to their smaller size carpet tiles are easier to lift move and install compared to broadloom carpet.
Design and installation of internal and external ceramic and mosaic floor tiling in normal conditions.
Tile joints should be straight in alignment unless the tiles are by design irregular in shape.
Specialist tolerances can be agreed between client designer and contractor.
External walls tolerances s1 1 external walls appearance s2 2 external works s3 3 doors and windows s4 3 glazing s5 3 walls and ceilings tolerances s6 4 walls and ceilings appearance s7 4 floors s8 4 tile finishes s9 5 joint sealants s10 5 other surfaces and finishes s11 5 fitted furniture s12 5 index 6 scope.
1 2 s9 tiling shall have an appropriate appearance.
There are tolerances for tile lippage.
Where very high levels of flatness s are required as a finished floor or to take direct tiles.
2018 have been updated with some significant changes included.
Modular carpet tiles are one of the best floor covering options offering easy installation and maintenance longevity and creating a healthy comfortable indoor environment.
Design and installation of terrazzo natural stone and agglomerated stone tile and slab flooring.
1 easy to install.
If there is no warpage the lippage should not exceed the value in the table.
Bs 5385 3 wall and floor tiling.
The width of floor tile joints should not be less than 3mm unless otherwise specified by the manufacturer.
For tiles with all edges less than 15 the maximum allowable variation is 1 4 in 10 and no more than 1 16 in 12.
In the days before isostatic presses warpage was more common.
However as of 2011 subsurface tolerances for tile installation based on tile unit size have been updated in the tcna handbook.
Tolerances when tiles 8 x 8 or larger had been selected.
Today many mass produced tiles have exceedingly little warpage.
All points should be within 15mm from planned level.
The tolerance for variation from tile to tile includes the actual warpage of the tile.
All points should be within 15mm from.
Bs 5385 5 wall and floor tiling.
These changes are part of the general review and are designed to reflect product changes and developments within the tiling industry since the publication of bs 5385 1.