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Jul 30, 2012 · Page 27 of the 2012 Handbook speaks to the topic of this pattern. 4.3.8.2 Running bond/brick joint offset: For running bond/brick joint patterns utilizing tile (square or rectangular) where the side being offset is greater than 18” (nominal dimension), the running bond offset will be a maximum of 33% unless otherwise specified by the tile ...
Nov 6, 2020 · If an offset more than 33% is desired (such as a 50% offset), the specifier and owner must approve a mock-up and agree to the lippage that may result from this type of pattern being installed. The reason for this is that some tiles have what is called warpage as part of their manufacturing process. Warpage is when the tile is bowed in the middle.
May 3, 2017 · It doesn't have to be exactly 33%, most reccomend no more than 33% to prevent excessive lippage. It all depends if you want a random look, or if you want a pattern to your offset. If it's a wood look tile it will look much better as random. _____
- Grout Questions
- Lippage/Warpage Questions
- Dealing with What Looks Like Installer Incompetence
David Gorrell asks: I read the specs. in this web page on rectified or non-rectified tile. We bought Marazzi American Estate tile and were told by Marazzi that a grout line any wider than 1/16 of an inch was too wide. That conflicts with what was said in the Standard. I would like to know if the manufactures specs. conflict with the manufacturers w...
Theresa Sullivan asks two questions: I have hired contractors to do a bathroom remodel- using 12 x 24 porcelain tiles- there is excessive lip page- they are telling me the standard allowance is 3/8" And, I just had a complete remodel of my bathroom- Contractors are using 12 x 24 porcelain tiles. some joints are 1/8" others are 5/8" with a lot of li...
Trenda Voegtle asks: Is it acceptable for a contractor to chip any existing tiles when doing grout work per industry standards? Scott's response: The ANSI requirement under A108.02 section 4.3.3 states, “Smooth cut edges. Install tile without jagged or flaked edges.” This would be true for a new tile installation as well as repair work being comple...
- Scott Carothers
May 14, 2019 · On numerous jobs, for both walls and floors, we are asked by interior designers to install 12 x 24 or similar tiles in a standard brick aka 50% offset pattern. However, for many of these, printed on the box of tile or stated on the order sheet by the distributor, it clearly states in one way or another, “Brick joint pattern to be offset 33%.”
- Mark Heinlein
In ANSI A108.02 where they talk about off-set tiles of 50% vs 33%, they do recommend a 3/16” grout joint to minimize potential lippage with staggered layout on tiles with one edge 15” or larger. If the warpage isn’t bad and you are installing over a plumb substrate you should be able to set with 1/8” wide grout joints and not get more than 1/32” lippage.
People also ask
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Aug 19, 2020 · I need help\advice on how to lay the tile on the shower wall. I am using 12 x 24 inch tiles with 1/8 inch grout lines. My shower wall is 59 1/2 inches in height and 81 3/4 inches in width. The manufacturer of the tile recommends a 15-30% offset pattern on laying out the tile. I just don't know how to do this, where to start or where to cut etc.
