M
MODERATOR3 Mar 2010 00:20Hello,
Joint widths generally result from the difference between the nominal size and the actual size of the tiles, or they are recommended based on installation standards. The following is considered a recommendation:
Edge lengths up to 100 mm (4 inches): about 2 mm (0.08 inches)
100 - 200 mm (4 – 8 inches): about 3 mm (0.12 inches)
200 - 600 mm (8 – 24 inches): about 4 mm (0.16 inches)
Before any disagreement arises between laypersons and professionals, have the stakeholders explain their positions with reference to SIA Standard 248 ("General Conditions for Tile Work – Coverings and Claddings with Ceramic, Glass and Asphalt") or one of the information sheets from the Swiss Tile Association "SPV".
If, for example, the architect claims that everything is not a big issue, they should be able to substantiate this: "What about the allowable tolerances?"
Likewise, the tile supplier should professionally support their view that the delivered tiles can be laid with a 2 mm (0.08 inch) joint: "Which standard or recommendation does the supplier refer to?"
Of particular interest in SIA 248 are Chapter 5 Execution, sections 5.2 Installation and 5.3 Tolerances of Tile Work.
Joint widths generally result from the difference between the nominal size and the actual size of the tiles, or they are recommended based on installation standards. The following is considered a recommendation:
Edge lengths up to 100 mm (4 inches): about 2 mm (0.08 inches)
100 - 200 mm (4 – 8 inches): about 3 mm (0.12 inches)
200 - 600 mm (8 – 24 inches): about 4 mm (0.16 inches)
Before any disagreement arises between laypersons and professionals, have the stakeholders explain their positions with reference to SIA Standard 248 ("General Conditions for Tile Work – Coverings and Claddings with Ceramic, Glass and Asphalt") or one of the information sheets from the Swiss Tile Association "SPV".
If, for example, the architect claims that everything is not a big issue, they should be able to substantiate this: "What about the allowable tolerances?"
Likewise, the tile supplier should professionally support their view that the delivered tiles can be laid with a 2 mm (0.08 inch) joint: "Which standard or recommendation does the supplier refer to?"
Of particular interest in SIA 248 are Chapter 5 Execution, sections 5.2 Installation and 5.3 Tolerances of Tile Work.
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