Floor stiffness, tile — tile + stone: code vs good practice

Code: L/360. Good practice: meet code.

Floor stiffness, stone — tile + stone: code vs good practice

Code: L/360. Good practice: L/720 (TCNA).

Code: no specific requirement. Good practice: ⅓ max.

Code: no specific requirement. Good practice: DCOF 0.42+ (ANSI).

Code: no specific requirement. Good practice: ⅛″ min.

Code: no specific requirement. Good practice: per TCNA EJ171.

Fixtures · Chapter 15

Tile is only as good as what's under it. Flat, stiff, waterproof where needed and set with the right mortar and joints.

ANSI A108 / A118 / A137.1TCNA HandbookANSI A326.3 DCOF

15.1

Most tile failures are not the tile. They're the floor bending, the mortar coverage or missing movement joints.

The tile is the last 5% of the job.

The rest of Tile + stone: 4 more spreads, 30 drawings and 5 code citations, plus every other chapter, is part of the full fieldbook.

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