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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
- 33% Offset Reduces Lippage
- Running Bond Grout Joint Requirements
- What Are Your Customer's Offset and Grout Joint Expectations?
Moving the intersection of the two ends of the tiles to the 33% location (as you can see in the photo above) from the 50% location (as you can see in the image below) significantly reduces lippage and most times provides an acceptable appearance. Many tile manufacturers now recommend that their products be installed with the 33% offset which furthe...
The other issue that is a crucial part of the successful offset pattern installation has to do with the size of the grout joint. The ANSI A108.02 Installation Standard has a section devoted to specifying the size of the grout joint, particularly when one of the tile sides being installed is greater than 15”. Before we begin this explanation, let's ...
As you know, the beauty and longtime satisfaction with ceramic and porcelain tile installations often depend on the creativity of the design. Whether it's the owner, the architect, the designer, the retailer, or the installer who provides the pattern and layout suggestions, the end customer must be happy with the final appearance. In other words, t...
- Scott Carothers
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 · 50% offset for 12”x24” tile. ANSI A108.02 section 4.3.8.2 is where the answer is. I will paraphrase what it says – When tiles with sides longer than 15” are being set with their long sides next to each other they shall be set in a pattern with an offset of 33% or less. If an offset more than 33% is desired (such as a 50% offset), the ...
- Scott Carothers
- 33% offset recommendations for LFT. ANSI also provides the standards which guide the installation of ceramic tile (which includes porcelain) when the specified tile is 15″ or longer on any one side (popularly known as large-format tile or LFT).
- Straight stack. A tile pattern of square or rectangular tile that has grout joints aligning in both the north/south and east/west directions is known as a straight stack or stack bond.
- The 33% offset reverse. Rather than having the two low points adjacent to the high point as in a 50% offset, the tile in row one is moved to the one third point (33%) of the tile in row two.
- The 33% offset stairstep. In this 33% offset stairstep pattern, rather than switching back and forth as in the 33% reverse, it continues in one direction forming a stairstep appearance.
Aug 25, 2022 · The article then explains how, modifying the traditional 50% offset used in a brick pattern (see diagram above) to a maximum of 33% - which doesn't affect the look of the pattern - when installing tile 18" or larger, will manage lippage. "The above 1/3 offset is now the prevailing recommendation from the Tile Council of North America 2011 for ...
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Jul 26, 2021 · For example, although often specified, a “Brick” pattern where the end joints are offset 50% is not recommended, 33% is the maximum! For running bond/brick joint patterns utilizing tiles (square or rectangular) where the side being offset is greater than 18”, offset will be a maximum of 33% unless otherwise specified by the tile manufacturer.
